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] => 796164 [patent_doc_number] => 07430083 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-09-30 [patent_title] => 'Virtual head fly profile measurement' [patent_app_type] => utility [patent_app_number] => 10/405873 [patent_app_country] => US [patent_app_date] => 2003-04-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 3630 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/430/07430083.pdf [firstpage_image] =>[orig_patent_app_number] => 10405873 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/405873
Virtual head fly profile measurement Apr 1, 2003 Issued
Array ( [id] => 7462865 [patent_doc_number] => 20040120065 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-06-24 [patent_title] => 'Impedance-matched write driver circuit and system using same' [patent_app_type] => new [patent_app_number] => 10/404531 [patent_app_country] => US [patent_app_date] => 2003-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 4210 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0120/20040120065.pdf [firstpage_image] =>[orig_patent_app_number] => 10404531 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/404531
Impedance-matched write driver circuit and system using same Mar 30, 2003 Abandoned
Array ( [id] => 624799 [patent_doc_number] => 07139143 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-11-21 [patent_title] => 'Disk device and method of generating signal representing head' [patent_app_type] => utility [patent_app_number] => 10/388472 [patent_app_country] => US [patent_app_date] => 2003-03-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 27 [patent_no_of_words] => 12387 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/139/07139143.pdf [firstpage_image] =>[orig_patent_app_number] => 10388472 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/388472
Disk device and method of generating signal representing head Mar 16, 2003 Issued
Array ( [id] => 607717 [patent_doc_number] => 07154688 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-12-26 [patent_title] => 'Disk device having a function to confirm that a selected head is proper for a disk surface' [patent_app_type] => utility [patent_app_number] => 10/365394 [patent_app_country] => US [patent_app_date] => 2003-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 3343 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/154/07154688.pdf [firstpage_image] =>[orig_patent_app_number] => 10365394 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/365394
Disk device having a function to confirm that a selected head is proper for a disk surface Feb 12, 2003 Issued
Array ( [id] => 5176235 [patent_doc_number] => 20070177293 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-08-02 [patent_title] => 'Method for recording data freshness degrees by tape drive' [patent_app_type] => utility [patent_app_number] => 10/508872 [patent_app_country] => US [patent_app_date] => 2003-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 5536 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0177/20070177293.pdf [firstpage_image] =>[orig_patent_app_number] => 10508872 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/508872
Method for recording data freshness degrees by a tape drive Feb 12, 2003 Issued
Array ( [id] => 7306173 [patent_doc_number] => 20040141246 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-07-22 [patent_title] => 'Hard disk drive host protected area duplication' [patent_app_type] => new [patent_app_number] => 10/346942 [patent_app_country] => US [patent_app_date] => 2003-01-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 1816 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 56 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0141/20040141246.pdf [firstpage_image] =>[orig_patent_app_number] => 10346942 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/346942
Hard disk drive host protected area duplication Jan 16, 2003 Abandoned
Array ( [id] => 1048347 [patent_doc_number] => 06865043 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-03-08 [patent_title] => 'Data set information for recovery of synchronized data on magnetic tape' [patent_app_type] => utility [patent_app_number] => 10/293550 [patent_app_country] => US [patent_app_date] => 2002-11-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 15 [patent_no_of_words] => 11615 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 12 [patent_words_short_claim] => 217 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/865/06865043.pdf [firstpage_image] =>[orig_patent_app_number] => 10293550 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/293550
Data set information for recovery of synchronized data on magnetic tape Nov 13, 2002 Issued
Array ( [id] => 1247541 [patent_doc_number] => 06678103 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-01-13 [patent_title] => 'Methods and apparatus for increased magnetic coding density by precise placement of magnetic transitions' [patent_app_type] => B2 [patent_app_number] => 10/281656 [patent_app_country] => US [patent_app_date] => 2002-10-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 11 [patent_no_of_words] => 5442 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/678/06678103.pdf [firstpage_image] =>[orig_patent_app_number] => 10281656 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/281656
Methods and apparatus for increased magnetic coding density by precise placement of magnetic transitions Oct 24, 2002 Issued
Array ( [id] => 763575 [patent_doc_number] => 07012778 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-03-14 [patent_title] => 'Eccentricity control method for magnetic disk, recording medium recording eccentricity control method, and magnetic disk apparatus using eccentricity control method' [patent_app_type] => utility [patent_app_number] => 10/450636 [patent_app_country] => US [patent_app_date] => 2002-10-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 11502 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 222 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/012/07012778.pdf [firstpage_image] =>[orig_patent_app_number] => 10450636 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/450636
Eccentricity control method for magnetic disk, recording medium recording eccentricity control method, and magnetic disk apparatus using eccentricity control method Oct 3, 2002 Issued
Array ( [id] => 997666 [patent_doc_number] => 06914735 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-07-05 [patent_title] => 'Manufacturing method for magnetic recording medium, and master information carrier used therefor' [patent_app_type] => utility [patent_app_number] => 10/261673 [patent_app_country] => US [patent_app_date] => 2002-10-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 23 [patent_no_of_words] => 5778 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/914/06914735.pdf [firstpage_image] =>[orig_patent_app_number] => 10261673 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/261673
Manufacturing method for magnetic recording medium, and master information carrier used therefor Oct 1, 2002 Issued
Array ( [id] => 6714681 [patent_doc_number] => 20030026029 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-02-06 [patent_title] => 'Magnetic head' [patent_app_type] => new [patent_app_number] => 10/262121 [patent_app_country] => US [patent_app_date] => 2002-10-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 7930 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0026/20030026029.pdf [firstpage_image] =>[orig_patent_app_number] => 10262121 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/262121
Magnetic head Sep 30, 2002 Issued
Array ( [id] => 1199045 [patent_doc_number] => 06728059 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-04-27 [patent_title] => 'Magnetic data card servo writer' [patent_app_type] => B2 [patent_app_number] => 10/191959 [patent_app_country] => US [patent_app_date] => 2002-07-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 32 [patent_no_of_words] => 6207 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/728/06728059.pdf [firstpage_image] =>[orig_patent_app_number] => 10191959 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/191959
Magnetic data card servo writer Jul 7, 2002 Issued
Array ( [id] => 6505682 [patent_doc_number] => 20020191317 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-12-19 [patent_title] => 'Magnetic recording medium and drive apparatus therefor' [patent_app_type] => new [patent_app_number] => 10/167498 [patent_app_country] => US [patent_app_date] => 2002-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4296 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 27 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0191/20020191317.pdf [firstpage_image] =>[orig_patent_app_number] => 10167498 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/167498
Magnetic recording medium and drive apparatus therefor Jun 12, 2002 Issued
Array ( [id] => 1367136 [patent_doc_number] => 06577461 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-06-10 [patent_title] => 'Magnetic disk drive' [patent_app_type] => B2 [patent_app_number] => 10/166669 [patent_app_country] => US [patent_app_date] => 2002-06-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 15 [patent_no_of_words] => 8479 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/577/06577461.pdf [firstpage_image] =>[orig_patent_app_number] => 10166669 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/166669
Magnetic disk drive Jun 11, 2002 Issued
Array ( [id] => 1107945 [patent_doc_number] => 06813106 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2004-11-02 [patent_title] => 'Premagnetization process for printing longitudinal media' [patent_app_type] => B1 [patent_app_number] => 10/136153 [patent_app_country] => US [patent_app_date] => 2002-05-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3865 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/813/06813106.pdf [firstpage_image] =>[orig_patent_app_number] => 10136153 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/136153
Premagnetization process for printing longitudinal media Apr 30, 2002 Issued
Array ( [id] => 6013864 [patent_doc_number] => 20020101670 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-08-01 [patent_title] => 'Master information carrier, process for producing the carrier, and method and apparatus for recording master infromation signal on magnetic recording medium by using the carrier' [patent_app_type] => new [patent_app_number] => 10/108032 [patent_app_country] => US [patent_app_date] => 2002-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 22 [patent_no_of_words] => 18205 [patent_no_of_claims] => 62 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 43 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0101/20020101670.pdf [firstpage_image] =>[orig_patent_app_number] => 10108032 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/108032
Master information carrier, method for producing the carrier, method and apparatus for writing information into magnetic record medium using the carrier Mar 25, 2002 Issued
Array ( [id] => 6013859 [patent_doc_number] => 20020101669 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-08-01 [patent_title] => 'Master information carrier, process for producing the carrier, and method and apparatus for recording master information signal on magnetic recording medium by using the carrier' [patent_app_type] => new [patent_app_number] => 10/108029 [patent_app_country] => US [patent_app_date] => 2002-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 22 [patent_no_of_words] => 18207 [patent_no_of_claims] => 62 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 43 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0101/20020101669.pdf [firstpage_image] =>[orig_patent_app_number] => 10108029 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/108029
Master information carrier, method for producing the carrier, method and apparatus for writing information into magnetic record medium using the carrier Mar 25, 2002 Issued
Array ( [id] => 6545562 [patent_doc_number] => 20020163749 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-11-07 [patent_title] => 'ADR system' [patent_app_type] => new [patent_app_number] => 10/103176 [patent_app_country] => US [patent_app_date] => 2002-03-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2911 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 44 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0163/20020163749.pdf [firstpage_image] =>[orig_patent_app_number] => 10103176 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/103176
ADR system Mar 19, 2002 Abandoned
Array ( [id] => 7632200 [patent_doc_number] => 06665136 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-12-16 [patent_title] => 'Recording heads using magnetic fields generated locally from high current densities in a thin film wire' [patent_app_type] => B2 [patent_app_number] => 10/084033 [patent_app_country] => US [patent_app_date] => 2002-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 32 [patent_no_of_words] => 11494 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 8 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/665/06665136.pdf [firstpage_image] =>[orig_patent_app_number] => 10084033 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/084033
Recording heads using magnetic fields generated locally from high current densities in a thin film wire Feb 26, 2002 Issued
Array ( [id] => 1324864 [patent_doc_number] => 06606208 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-08-12 [patent_title] => 'Master information carrier, method for producing the carrier, method and apparatus for writing information into magnetic record medium using the carrier' [patent_app_type] => B2 [patent_app_number] => 10/085503 [patent_app_country] => US [patent_app_date] => 2002-02-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 35 [patent_no_of_words] => 18049 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/606/06606208.pdf [firstpage_image] =>[orig_patent_app_number] => 10085503 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/085503
Master information carrier, method for producing the carrier, method and apparatus for writing information into magnetic record medium using the carrier Feb 25, 2002 Issued
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