Search

Matthew Van Nguyen

Examiner (ID: 3642, Phone: (571)272-2081 , Office: P/2838 )

Most Active Art Unit
2838
Art Unit(s)
2102, 2838, 2839, 2111
Total Applications
3254
Issued Applications
3022
Pending Applications
87
Abandoned Applications
145

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 1214696 [patent_doc_number] => 06710591 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-03-23 [patent_title] => 'Method and system for measuring anchoring strength of liquid crystal by measuring magnetic field induced torque' [patent_app_type] => B2 [patent_app_number] => 10/276303 [patent_app_country] => US [patent_app_date] => 2003-04-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 1872 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 49 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/710/06710591.pdf [firstpage_image] =>[orig_patent_app_number] => 10276303 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/276303
Method and system for measuring anchoring strength of liquid crystal by measuring magnetic field induced torque Apr 8, 2003 Issued
Array ( [id] => 1170863 [patent_doc_number] => 06756779 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-06-29 [patent_title] => 'Inductive measuring transducer for determining the relative position of a body' [patent_app_type] => B2 [patent_app_number] => 10/275720 [patent_app_country] => US [patent_app_date] => 2002-11-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 22 [patent_no_of_words] => 7128 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 206 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/756/06756779.pdf [firstpage_image] =>[orig_patent_app_number] => 10275720 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/275720
Inductive measuring transducer for determining the relative position of a body Nov 6, 2002 Issued
Array ( [id] => 6849663 [patent_doc_number] => 20030141865 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-07-31 [patent_title] => 'Method for determining the angular position of a permanent magnet rotor of a polyphase electric motor' [patent_app_type] => new [patent_app_number] => 10/149210 [patent_app_country] => US [patent_app_date] => 2002-11-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3799 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 39 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0141/20030141865.pdf [firstpage_image] =>[orig_patent_app_number] => 10149210 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/149210
Method of determining the angular position of a permanent magnet rotor of a polyphase electric motor Nov 3, 2002 Issued
Array ( [id] => 6718996 [patent_doc_number] => 20030052683 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-03-20 [patent_title] => 'Flux plane locating in an underground drilling system' [patent_app_type] => new [patent_app_number] => 10/285139 [patent_app_country] => US [patent_app_date] => 2002-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 9580 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0052/20030052683.pdf [firstpage_image] =>[orig_patent_app_number] => 10285139 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/285139
Dipole field locate point determination using a horizontal flux vector Oct 29, 2002 Issued
Array ( [id] => 1232823 [patent_doc_number] => 06693425 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-02-17 [patent_title] => 'Sensor having an electric coil and giant magnetoresistor for detecting defects in a component' [patent_app_type] => B2 [patent_app_number] => 10/268705 [patent_app_country] => US [patent_app_date] => 2002-10-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 1804 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 206 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/693/06693425.pdf [firstpage_image] =>[orig_patent_app_number] => 10268705 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/268705
Sensor having an electric coil and giant magnetoresistor for detecting defects in a component Oct 10, 2002 Issued
Array ( [id] => 1198064 [patent_doc_number] => 06727695 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-04-27 [patent_title] => 'Test method and apparatus for noncontact and nondestructive recognition of irregularities in the wall thickness of ferromagnetic pipes' [patent_app_type] => B2 [patent_app_number] => 10/269007 [patent_app_country] => US [patent_app_date] => 2002-10-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 2943 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/727/06727695.pdf [firstpage_image] =>[orig_patent_app_number] => 10269007 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/269007
Test method and apparatus for noncontact and nondestructive recognition of irregularities in the wall thickness of ferromagnetic pipes Oct 8, 2002 Issued
Array ( [id] => 1230250 [patent_doc_number] => 06696832 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-02-24 [patent_title] => 'Method and apparatus for testing transducer heads in magnetic storage systems' [patent_app_type] => B2 [patent_app_number] => 10/261010 [patent_app_country] => US [patent_app_date] => 2002-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2608 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/696/06696832.pdf [firstpage_image] =>[orig_patent_app_number] => 10261010 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/261010
Method and apparatus for testing transducer heads in magnetic storage systems Sep 29, 2002 Issued
Array ( [id] => 6691210 [patent_doc_number] => 20030038642 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-02-27 [patent_title] => 'Methods to prevent metal deposited wafers from contaminating the front-end cleaning sinks or front end furnaces' [patent_app_type] => new [patent_app_number] => 10/261302 [patent_app_country] => US [patent_app_date] => 2002-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3629 [patent_no_of_claims] => 41 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0038/20030038642.pdf [firstpage_image] =>[orig_patent_app_number] => 10261302 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/261302
Method and apparatus for identifying high metal content on a semiconductor surface Sep 29, 2002 Issued
Array ( [id] => 6859253 [patent_doc_number] => 20030090261 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-05-15 [patent_title] => 'Method and device for detecting polarity reversal in a sensor' [patent_app_type] => new [patent_app_number] => 10/168915 [patent_app_country] => US [patent_app_date] => 2002-09-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2633 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 31 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0090/20030090261.pdf [firstpage_image] =>[orig_patent_app_number] => 10168915 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/168915
Method and device for detecting incorrect polarity in a signal transducer formed as an inductive sensor Sep 15, 2002 Issued
Array ( [id] => 6717875 [patent_doc_number] => 20030051562 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-03-20 [patent_title] => 'Apparatus and method for sensing relative rotation' [patent_app_type] => new [patent_app_number] => 10/225400 [patent_app_country] => US [patent_app_date] => 2002-08-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 40 [patent_figures_cnt] => 40 [patent_no_of_words] => 23630 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0051/20030051562.pdf [firstpage_image] =>[orig_patent_app_number] => 10225400 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/225400
Apparatus and method for sensing an angle of relative rotation of rotors Aug 19, 2002 Issued
Array ( [id] => 7632551 [patent_doc_number] => 06664783 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-12-16 [patent_title] => 'System for measuring magnetostriction employing a plurality of external magnetic field rotation harmonics' [patent_app_type] => B1 [patent_app_number] => 10/197313 [patent_app_country] => US [patent_app_date] => 2002-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 5808 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 23 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/664/06664783.pdf [firstpage_image] =>[orig_patent_app_number] => 10197313 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/197313
System for measuring magnetostriction employing a plurality of external magnetic field rotation harmonics Jul 14, 2002 Issued
Array ( [id] => 1194028 [patent_doc_number] => 06731109 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-05-04 [patent_title] => 'Magnetic position sensor having a stepped magnet interface' [patent_app_type] => B2 [patent_app_number] => 10/194810 [patent_app_country] => US [patent_app_date] => 2002-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 6595 [patent_no_of_claims] => 33 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/731/06731109.pdf [firstpage_image] =>[orig_patent_app_number] => 10194810 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/194810
Magnetic position sensor having a stepped magnet interface Jul 11, 2002 Issued
Array ( [id] => 7963639 [patent_doc_number] => 06680609 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2004-01-20 [patent_title] => 'Method and apparatus for determining the magnetic track width of a magnetic head' [patent_app_type] => B1 [patent_app_number] => 10/193514 [patent_app_country] => US [patent_app_date] => 2002-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 13 [patent_no_of_words] => 5207 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/680/06680609.pdf [firstpage_image] =>[orig_patent_app_number] => 10193514 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/193514
Method and apparatus for determining the magnetic track width of a magnetic head Jul 10, 2002 Issued
Array ( [id] => 1331472 [patent_doc_number] => 06600313 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-07-29 [patent_title] => 'Device for reading an elongate magnetic data carrier' [patent_app_type] => B1 [patent_app_number] => 10/088802 [patent_app_country] => US [patent_app_date] => 2002-07-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 1190 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 191 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/600/06600313.pdf [firstpage_image] =>[orig_patent_app_number] => 10088802 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/088802
Device for reading an elongate magnetic data carrier Jun 30, 2002 Issued
Array ( [id] => 6638311 [patent_doc_number] => 20030006764 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-01-09 [patent_title] => 'Tunneling magnetoresistive effect device and direction sensor system using said device' [patent_app_type] => new [patent_app_number] => 10/173803 [patent_app_country] => US [patent_app_date] => 2002-06-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 6738 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0006/20030006764.pdf [firstpage_image] =>[orig_patent_app_number] => 10173803 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/173803
Tunneling magnetoresistive effect device and direction sensor system using said device Jun 18, 2002 Issued
Array ( [id] => 6168124 [patent_doc_number] => 20020152821 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-10-24 [patent_title] => 'Apparatus for contact-less measuring the value of a difference angle between two parts rotating about a common axis' [patent_app_type] => new [patent_app_number] => 10/174300 [patent_app_country] => US [patent_app_date] => 2002-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 4281 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 278 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0152/20020152821.pdf [firstpage_image] =>[orig_patent_app_number] => 10174300 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/174300
Apparatus for contact-less measuring the value of a difference angle between two parts rotating about a common axis Jun 16, 2002 Issued
Array ( [id] => 1194029 [patent_doc_number] => 06731110 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-05-04 [patent_title] => 'Magneto-resistive device with built-in test structure and method for determining resistance and track width' [patent_app_type] => B2 [patent_app_number] => 10/156218 [patent_app_country] => US [patent_app_date] => 2002-05-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 4503 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/731/06731110.pdf [firstpage_image] =>[orig_patent_app_number] => 10156218 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/156218
Magneto-resistive device with built-in test structure and method for determining resistance and track width May 27, 2002 Issued
Array ( [id] => 7630900 [patent_doc_number] => 06636032 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-10-21 [patent_title] => 'Angular measurement system having an integrated ferraris sensor' [patent_app_type] => B2 [patent_app_number] => 10/144618 [patent_app_country] => US [patent_app_date] => 2002-05-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 1247 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 11 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/636/06636032.pdf [firstpage_image] =>[orig_patent_app_number] => 10144618 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/144618
Angular measurement system having an integrated ferraris sensor May 12, 2002 Issued
Array ( [id] => 6044953 [patent_doc_number] => 20020167310 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-11-14 [patent_title] => 'Angle transmitter' [patent_app_type] => new [patent_app_number] => 10/139415 [patent_app_country] => US [patent_app_date] => 2002-05-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 1803 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0167/20020167310.pdf [firstpage_image] =>[orig_patent_app_number] => 10139415 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/139415
Angle transmitter May 5, 2002 Abandoned
Array ( [id] => 1254764 [patent_doc_number] => 06670809 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-12-30 [patent_title] => 'Magnetic sensor with modulating flux concentrator having minimized air resistance for 1/f noise reduction' [patent_app_type] => B1 [patent_app_number] => 10/135392 [patent_app_country] => US [patent_app_date] => 2002-05-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 14 [patent_no_of_words] => 3935 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 19 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/670/06670809.pdf [firstpage_image] =>[orig_patent_app_number] => 10135392 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/135392
Magnetic sensor with modulating flux concentrator having minimized air resistance for 1/f noise reduction Apr 30, 2002 Issued
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