Search

Frank D. Ducheneaux

Examiner (ID: 11358, Phone: (571)270-7053 , Office: P/1788 )

Most Active Art Unit
1788
Art Unit(s)
1794, 1787, 1788
Total Applications
820
Issued Applications
294
Pending Applications
108
Abandoned Applications
441

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 7256365 [patent_doc_number] => 20040240095 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-12-02 [patent_title] => 'Apparatus and method for controlling inhibition of data writing in disk drive' [patent_app_type] => new [patent_app_number] => 10/767449 [patent_app_country] => US [patent_app_date] => 2004-01-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 7628 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0240/20040240095.pdf [firstpage_image] =>[orig_patent_app_number] => 10767449 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/767449
Apparatus and method for controlling inhibition of data writing in disk drive Jan 29, 2004 Issued
Array ( [id] => 6995211 [patent_doc_number] => 20050134989 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-06-23 [patent_title] => 'Multi-format thinfilm head and associated methods' [patent_app_type] => utility [patent_app_number] => 10/741636 [patent_app_country] => US [patent_app_date] => 2003-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4610 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0134/20050134989.pdf [firstpage_image] =>[orig_patent_app_number] => 10741636 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/741636
Multi-format thinfilm head and associated methods Dec 17, 2003 Issued
Array ( [id] => 6995213 [patent_doc_number] => 20050134991 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-06-23 [patent_title] => 'Tape head assembly' [patent_app_type] => utility [patent_app_number] => 10/737956 [patent_app_country] => US [patent_app_date] => 2003-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3392 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0134/20050134991.pdf [firstpage_image] =>[orig_patent_app_number] => 10737956 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/737956
Tape head assembly Dec 16, 2003 Issued
Array ( [id] => 7146057 [patent_doc_number] => 20040169950 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-09-02 [patent_title] => 'Inductive write head driven only by an ampere wire' [patent_app_type] => new [patent_app_number] => 10/736358 [patent_app_country] => US [patent_app_date] => 2003-12-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3890 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0169/20040169950.pdf [firstpage_image] =>[orig_patent_app_number] => 10736358 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/736358
Inductive write head driven only by an ampere wire Dec 14, 2003 Issued
Array ( [id] => 7604431 [patent_doc_number] => 07116504 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2006-10-03 [patent_title] => 'DC-offset compensation loops for magnetic recording system' [patent_app_type] => utility [patent_app_number] => 10/737648 [patent_app_country] => US [patent_app_date] => 2003-12-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 11 [patent_no_of_words] => 3434 [patent_no_of_claims] => 159 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 235 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/116/07116504.pdf [firstpage_image] =>[orig_patent_app_number] => 10737648 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/737648
DC-offset compensation loops for magnetic recording system Dec 14, 2003 Issued
Array ( [id] => 635818 [patent_doc_number] => 07130138 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-10-31 [patent_title] => 'Environmental stress protection scheme for a data storage device' [patent_app_type] => utility [patent_app_number] => 10/736086 [patent_app_country] => US [patent_app_date] => 2003-12-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 3232 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 54 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/130/07130138.pdf [firstpage_image] =>[orig_patent_app_number] => 10736086 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/736086
Environmental stress protection scheme for a data storage device Dec 14, 2003 Issued
Array ( [id] => 647541 [patent_doc_number] => 07119975 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-10-10 [patent_title] => 'Skew-tolerant Gray code for a moveable object' [patent_app_type] => utility [patent_app_number] => 10/735541 [patent_app_country] => US [patent_app_date] => 2003-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 24 [patent_no_of_words] => 11380 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/119/07119975.pdf [firstpage_image] =>[orig_patent_app_number] => 10735541 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/735541
Skew-tolerant Gray code for a moveable object Dec 11, 2003 Issued
Array ( [id] => 7297574 [patent_doc_number] => 20040125478 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-07-01 [patent_title] => 'Methods of measuring TPTP of magnetic head and controlling recording current' [patent_app_type] => new [patent_app_number] => 10/733253 [patent_app_country] => US [patent_app_date] => 2003-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 5081 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0125/20040125478.pdf [firstpage_image] =>[orig_patent_app_number] => 10733253 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/733253
Methods of measuring TPTP of magnetic head and controlling recording current Dec 11, 2003 Issued
Array ( [id] => 7171766 [patent_doc_number] => 20050122613 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-06-09 [patent_title] => 'Impedance-controlled write driver for low power preamp' [patent_app_type] => utility [patent_app_number] => 10/731252 [patent_app_country] => US [patent_app_date] => 2003-12-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2238 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0122/20050122613.pdf [firstpage_image] =>[orig_patent_app_number] => 10731252 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/731252
Impedance-controlled write driver for low power preamp Dec 8, 2003 Issued
Array ( [id] => 7301634 [patent_doc_number] => 20040113611 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-06-17 [patent_title] => 'Write precompensation amount setting method and apparatus' [patent_app_type] => new [patent_app_number] => 10/729283 [patent_app_country] => US [patent_app_date] => 2003-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2219 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 38 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0113/20040113611.pdf [firstpage_image] =>[orig_patent_app_number] => 10729283 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/729283
Write precompensation amount setting method and apparatus Dec 4, 2003 Issued
Array ( [id] => 7171750 [patent_doc_number] => 20050122607 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-06-09 [patent_title] => 'Method for testing a micro-actuator in a magnetic tester' [patent_app_type] => utility [patent_app_number] => 10/728450 [patent_app_country] => US [patent_app_date] => 2003-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 3747 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0122/20050122607.pdf [firstpage_image] =>[orig_patent_app_number] => 10728450 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/728450
Method for testing a micro-actuator in a magnetic tester Dec 4, 2003 Issued
Array ( [id] => 771877 [patent_doc_number] => 07006317 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2006-02-28 [patent_title] => 'Dynamically allocated parallel equalization and detection of a PRML read channel in a multi-channel drive' [patent_app_type] => utility [patent_app_number] => 10/729646 [patent_app_country] => US [patent_app_date] => 2003-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 2828 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/006/07006317.pdf [firstpage_image] =>[orig_patent_app_number] => 10729646 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/729646
Dynamically allocated parallel equalization and detection of a PRML read channel in a multi-channel drive Dec 4, 2003 Issued
Array ( [id] => 1029379 [patent_doc_number] => 06882488 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2005-04-19 [patent_title] => 'Method for magnetic recording on patterned multilevel perpendicular media using variable write current' [patent_app_type] => utility [patent_app_number] => 10/727812 [patent_app_country] => US [patent_app_date] => 2003-12-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 16 [patent_no_of_words] => 5767 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 173 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/882/06882488.pdf [firstpage_image] =>[orig_patent_app_number] => 10727812 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/727812
Method for magnetic recording on patterned multilevel perpendicular media using variable write current Dec 2, 2003 Issued
Array ( [id] => 1048348 [patent_doc_number] => 06865044 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2005-03-08 [patent_title] => 'Method for magnetic recording on patterned multilevel perpendicular media using thermal assistance and fixed write current' [patent_app_type] => utility [patent_app_number] => 10/728231 [patent_app_country] => US [patent_app_date] => 2003-12-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 16 [patent_no_of_words] => 5788 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 180 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/865/06865044.pdf [firstpage_image] =>[orig_patent_app_number] => 10728231 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/728231
Method for magnetic recording on patterned multilevel perpendicular media using thermal assistance and fixed write current Dec 2, 2003 Issued
Array ( [id] => 821677 [patent_doc_number] => 07408729 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-08-05 [patent_title] => 'Enhanced data storage and retrieval devices and systems and methods for utilizing same' [patent_app_type] => utility [patent_app_number] => 10/535454 [patent_app_country] => US [patent_app_date] => 2003-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 22 [patent_no_of_words] => 24501 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/408/07408729.pdf [firstpage_image] =>[orig_patent_app_number] => 10535454 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/535454
Enhanced data storage and retrieval devices and systems and methods for utilizing same Nov 19, 2003 Issued
Array ( [id] => 613998 [patent_doc_number] => 07149045 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2006-12-12 [patent_title] => 'Longitudinal media with soft underlayer and perpendicular write head' [patent_app_type] => utility [patent_app_number] => 10/697075 [patent_app_country] => US [patent_app_date] => 2003-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 7192 [patent_no_of_claims] => 44 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/149/07149045.pdf [firstpage_image] =>[orig_patent_app_number] => 10697075 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/697075
Longitudinal media with soft underlayer and perpendicular write head Oct 29, 2003 Issued
Array ( [id] => 7211344 [patent_doc_number] => 20040071069 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-04-15 [patent_title] => 'Apparatus for recording and regenerating data' [patent_app_type] => new [patent_app_number] => 10/681642 [patent_app_country] => US [patent_app_date] => 2003-10-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 22 [patent_no_of_words] => 10318 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0071/20040071069.pdf [firstpage_image] =>[orig_patent_app_number] => 10681642 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/681642
Apparatus for recording and regenerating data Oct 7, 2003 Issued
Array ( [id] => 983382 [patent_doc_number] => 06927929 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-08-09 [patent_title] => 'Method and apparatus for controlling data read/write between a hard disk and a hard disk controller' [patent_app_type] => utility [patent_app_number] => 10/670493 [patent_app_country] => US [patent_app_date] => 2003-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 6304 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/927/06927929.pdf [firstpage_image] =>[orig_patent_app_number] => 10670493 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/670493
Method and apparatus for controlling data read/write between a hard disk and a hard disk controller Sep 23, 2003 Issued
Array ( [id] => 7243951 [patent_doc_number] => 20050073340 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-04-07 [patent_title] => 'Apparatus and method for driving a write head' [patent_app_type] => utility [patent_app_number] => 10/665324 [patent_app_country] => US [patent_app_date] => 2003-09-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4472 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0073/20050073340.pdf [firstpage_image] =>[orig_patent_app_number] => 10665324 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/665324
Apparatus and method for driving a write head Sep 17, 2003 Issued
Array ( [id] => 7346236 [patent_doc_number] => 20040047062 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-03-11 [patent_title] => 'Circuit and method for refreshing data recorded at a density sufficiently high to undergo thermal degradation' [patent_app_type] => new [patent_app_number] => 10/660873 [patent_app_country] => US [patent_app_date] => 2003-09-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 6773 [patent_no_of_claims] => 32 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 19 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0047/20040047062.pdf [firstpage_image] =>[orig_patent_app_number] => 10660873 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/660873
Circuit and method for refreshing data recorded at a density sufficiently high to undergo thermal degradation Sep 11, 2003 Issued
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