Search

Matthew Van Nguyen

Examiner (ID: 15952, Phone: (571)272-2081 , Office: P/2838 )

Most Active Art Unit
2838
Art Unit(s)
2102, 2838, 2839, 2111
Total Applications
3253
Issued Applications
3031
Pending Applications
87
Abandoned Applications
143

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 4004618 [patent_doc_number] => 05920473 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-07-06 [patent_title] => 'Dc-to-Dc power converter with integrated magnetic power transformer' [patent_app_type] => 1 [patent_app_number] => 9/082513 [patent_app_country] => US [patent_app_date] => 1998-05-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 20 [patent_no_of_words] => 4129 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 391 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/920/05920473.pdf [firstpage_image] =>[orig_patent_app_number] => 082513 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/082513
Dc-to-Dc power converter with integrated magnetic power transformer May 20, 1998 Issued
Array ( [id] => 3956136 [patent_doc_number] => 05977753 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-11-02 [patent_title] => 'Buck regulator with plural outputs' [patent_app_type] => 1 [patent_app_number] => 9/082515 [patent_app_country] => US [patent_app_date] => 1998-05-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 11 [patent_no_of_words] => 4459 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/977/05977753.pdf [firstpage_image] =>[orig_patent_app_number] => 082515 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/082515
Buck regulator with plural outputs May 20, 1998 Issued
Array ( [id] => 4009863 [patent_doc_number] => 05923545 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-07-13 [patent_title] => 'Method and apparatus for providing multiple output voltages from a voltage regulator' [patent_app_type] => 1 [patent_app_number] => 9/081485 [patent_app_country] => US [patent_app_date] => 1998-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4212 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/923/05923545.pdf [firstpage_image] =>[orig_patent_app_number] => 081485 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/081485
Method and apparatus for providing multiple output voltages from a voltage regulator May 17, 1998 Issued
Array ( [id] => 4052560 [patent_doc_number] => 05912712 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-06-15 [patent_title] => 'Time expansion of pulse width modulation sequences by clock dropping' [patent_app_type] => 1 [patent_app_number] => 9/076335 [patent_app_country] => US [patent_app_date] => 1998-05-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 3065 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/912/05912712.pdf [firstpage_image] =>[orig_patent_app_number] => 076335 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/076335
Time expansion of pulse width modulation sequences by clock dropping May 10, 1998 Issued
09/075235 CIRCUIT FOR BALANCING STEADY-STATE CURRENTS OF SWITCHING DEVICES IN ELECTRIC POWER CONVERTER May 10, 1998 Issued
09/073065 DRIVER OF COLD-CATHODE FLUORESCENT LAMP May 5, 1998 Issued
Array ( [id] => 4262460 [patent_doc_number] => 06222749 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-04-24 [patent_title] => 'Method and device for limiting the current surge in a capacitor associated with a rectifier' [patent_app_type] => 1 [patent_app_number] => 9/073425 [patent_app_country] => US [patent_app_date] => 1998-05-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 5446 [patent_no_of_claims] => 37 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/222/06222749.pdf [firstpage_image] =>[orig_patent_app_number] => 073425 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/073425
Method and device for limiting the current surge in a capacitor associated with a rectifier May 5, 1998 Issued
09/070959 HIGH IMPEDANCE LARGE OUTPUT VOLTAGE REGULATED CASCODE CURRENT MIRROR STRUCTURE AND METHOD Apr 30, 1998 Issued
09/067525 CLAMP CIRCUIT FOR A POWER CONVERTER AND METHOD OF OPERATION THEREOF Apr 27, 1998 Issued
Array ( [id] => 4058586 [patent_doc_number] => 05932996 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-08-03 [patent_title] => 'Low cost current mode control switching power supply without discrete current sense resistor' [patent_app_type] => 1 [patent_app_number] => 9/067625 [patent_app_country] => US [patent_app_date] => 1998-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1956 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 187 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/932/05932996.pdf [firstpage_image] =>[orig_patent_app_number] => 067625 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/067625
Low cost current mode control switching power supply without discrete current sense resistor Apr 27, 1998 Issued
Array ( [id] => 3918947 [patent_doc_number] => 05980106 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-11-09 [patent_title] => 'Temperature detection circuit' [patent_app_type] => 1 [patent_app_number] => 9/064075 [patent_app_country] => US [patent_app_date] => 1998-04-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 9 [patent_no_of_words] => 3411 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/980/05980106.pdf [firstpage_image] =>[orig_patent_app_number] => 064075 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/064075
Temperature detection circuit Apr 21, 1998 Issued
09/063980 TEMPERATURE INSENSITIVE FOLDBACK NETWORK Apr 20, 1998 Issued
Array ( [id] => 3930822 [patent_doc_number] => 05945813 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-08-31 [patent_title] => 'Single or isolated operation detecting apparatus for a distributed power supply' [patent_app_type] => 1 [patent_app_number] => 9/062731 [patent_app_country] => US [patent_app_date] => 1998-04-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 6482 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/945/05945813.pdf [firstpage_image] =>[orig_patent_app_number] => 062731 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/062731
Single or isolated operation detecting apparatus for a distributed power supply Apr 19, 1998 Issued
Array ( [id] => 4025208 [patent_doc_number] => 05963438 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-10-05 [patent_title] => 'Bi-directional magnetic isolator' [patent_app_type] => 1 [patent_app_number] => 9/058995 [patent_app_country] => US [patent_app_date] => 1998-04-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 3107 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 179 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/963/05963438.pdf [firstpage_image] =>[orig_patent_app_number] => 058995 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/058995
Bi-directional magnetic isolator Apr 12, 1998 Issued
Array ( [id] => 4045123 [patent_doc_number] => 05943224 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-08-24 [patent_title] => 'Post regulator with energy recovery snubber and power supply employing the same' [patent_app_type] => 1 [patent_app_number] => 9/055815 [patent_app_country] => US [patent_app_date] => 1998-04-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 3574 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/943/05943224.pdf [firstpage_image] =>[orig_patent_app_number] => 055815 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/055815
Post regulator with energy recovery snubber and power supply employing the same Apr 5, 1998 Issued
Array ( [id] => 3959975 [patent_doc_number] => 05991181 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-11-23 [patent_title] => 'Power conversion apparatus' [patent_app_type] => 1 [patent_app_number] => 9/054405 [patent_app_country] => US [patent_app_date] => 1998-04-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 18 [patent_no_of_words] => 11243 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 220 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/991/05991181.pdf [firstpage_image] =>[orig_patent_app_number] => 054405 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/054405
Power conversion apparatus Apr 2, 1998 Issued
Array ( [id] => 4053974 [patent_doc_number] => 05912810 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-06-15 [patent_title] => 'Controller for a power switch and method of operation thereof' [patent_app_type] => 1 [patent_app_number] => 9/052451 [patent_app_country] => US [patent_app_date] => 1998-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 5089 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/912/05912810.pdf [firstpage_image] =>[orig_patent_app_number] => 052451 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/052451
Controller for a power switch and method of operation thereof Mar 30, 1998 Issued
Array ( [id] => 4072279 [patent_doc_number] => 06008633 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-12-28 [patent_title] => 'High-power grid-compatible converter-controlled, voltage-injecting phase-shifting transformer' [patent_app_type] => 1 [patent_app_number] => 9/050659 [patent_app_country] => US [patent_app_date] => 1998-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 5566 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 266 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/008/06008633.pdf [firstpage_image] =>[orig_patent_app_number] => 050659 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/050659
High-power grid-compatible converter-controlled, voltage-injecting phase-shifting transformer Mar 29, 1998 Issued
09/047345 POWER SUPPLY UNIT Mar 24, 1998 Issued
09/046850 VOLTAGE REGULATOR Mar 23, 1998 Issued
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