Search

Alfred E. Dudding

Examiner (ID: 9337)

Most Active Art Unit
2853
Art Unit(s)
2853
Total Applications
303
Issued Applications
292
Pending Applications
2
Abandoned Applications
9

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 6061722 [patent_doc_number] => 20020030909 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-03-14 [patent_title] => 'Magnetic transfer apparatus' [patent_app_type] => new [patent_app_number] => 09/949676 [patent_app_country] => US [patent_app_date] => 2001-09-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 7318 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0030/20020030909.pdf [firstpage_image] =>[orig_patent_app_number] => 09949676 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/949676
Magnetic transfer apparatus Sep 11, 2001 Issued
Array ( [id] => 1162911 [patent_doc_number] => 06765735 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-07-20 [patent_title] => 'Method and apparatus for magnetic transfer' [patent_app_type] => B2 [patent_app_number] => 09/950062 [patent_app_country] => US [patent_app_date] => 2001-09-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 4 [patent_no_of_words] => 4044 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/765/06765735.pdf [firstpage_image] =>[orig_patent_app_number] => 09950062 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/950062
Method and apparatus for magnetic transfer Sep 11, 2001 Issued
Array ( [id] => 6239554 [patent_doc_number] => 20020044368 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-04-18 [patent_title] => 'Method and apparatus for observing magnetic transfer subpulse' [patent_app_type] => new [patent_app_number] => 09/950565 [patent_app_country] => US [patent_app_date] => 2001-09-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4285 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0044/20020044368.pdf [firstpage_image] =>[orig_patent_app_number] => 09950565 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/950565
Method and apparatus for observing magnetic transfer subpulse Sep 10, 2001 Abandoned
Array ( [id] => 6734282 [patent_doc_number] => 20030011917 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-01-16 [patent_title] => 'Off-track interference emulator' [patent_app_type] => new [patent_app_number] => 09/896885 [patent_app_country] => US [patent_app_date] => 2001-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4417 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0011/20030011917.pdf [firstpage_image] =>[orig_patent_app_number] => 09896885 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/896885
Off-track interference emulator Jun 28, 2001 Issued
Array ( [id] => 6754415 [patent_doc_number] => 20030002191 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-01-02 [patent_title] => 'Pad eliminating decoding method and apparatus for a direct access storage device' [patent_app_type] => new [patent_app_number] => 09/896465 [patent_app_country] => US [patent_app_date] => 2001-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 6329 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0002/20030002191.pdf [firstpage_image] =>[orig_patent_app_number] => 09896465 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/896465
Pad eliminating decoding method and apparatus for a direct access storage device Jun 28, 2001 Issued
Array ( [id] => 1099090 [patent_doc_number] => 06822814 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-11-23 [patent_title] => 'Write head collision detection using MR read element in disc drives' [patent_app_type] => B2 [patent_app_number] => 09/896359 [patent_app_country] => US [patent_app_date] => 2001-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3227 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/822/06822814.pdf [firstpage_image] =>[orig_patent_app_number] => 09896359 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/896359
Write head collision detection using MR read element in disc drives Jun 28, 2001 Issued
Array ( [id] => 7624620 [patent_doc_number] => 06724556 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-04-20 [patent_title] => 'Single pole voltage bias loop for increased stability' [patent_app_type] => B2 [patent_app_number] => 09/896387 [patent_app_country] => US [patent_app_date] => 2001-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 2968 [patent_no_of_claims] => 6 [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/06/724/06724556.pdf [firstpage_image] =>[orig_patent_app_number] => 09896387 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/896387
Single pole voltage bias loop for increased stability Jun 28, 2001 Issued
Array ( [id] => 5934559 [patent_doc_number] => 20020060874 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-05-23 [patent_title] => 'Method and apparatus to reduce retry redundancy during read operations' [patent_app_type] => new [patent_app_number] => 09/897802 [patent_app_country] => US [patent_app_date] => 2001-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 5069 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 47 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0060/20020060874.pdf [firstpage_image] =>[orig_patent_app_number] => 09897802 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/897802
Method and apparatus to reduce retry redundancy during read operations Jun 28, 2001 Issued
Array ( [id] => 1194709 [patent_doc_number] => 06731443 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-05-04 [patent_title] => 'Total error multiplier for optimizing read/write channel' [patent_app_type] => B2 [patent_app_number] => 09/896640 [patent_app_country] => US [patent_app_date] => 2001-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4723 [patent_no_of_claims] => 38 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/731/06731443.pdf [firstpage_image] =>[orig_patent_app_number] => 09896640 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/896640
Total error multiplier for optimizing read/write channel Jun 28, 2001 Issued
Array ( [id] => 1110657 [patent_doc_number] => 06809894 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-10-26 [patent_title] => 'Method and apparatus for handling end of data processing in a data storage device' [patent_app_type] => B2 [patent_app_number] => 09/896135 [patent_app_country] => US [patent_app_date] => 2001-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 5198 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/809/06809894.pdf [firstpage_image] =>[orig_patent_app_number] => 09896135 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/896135
Method and apparatus for handling end of data processing in a data storage device Jun 28, 2001 Issued
Array ( [id] => 5949914 [patent_doc_number] => 20020006004 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-01-17 [patent_title] => 'Method for testing magnetic tape drive apparatus' [patent_app_type] => new [patent_app_number] => 09/896405 [patent_app_country] => US [patent_app_date] => 2001-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 7191 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0006/20020006004.pdf [firstpage_image] =>[orig_patent_app_number] => 09896405 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/896405
Method for testing magnetic tape drive apparatus Jun 27, 2001 Issued
Array ( [id] => 1051543 [patent_doc_number] => 06862151 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-03-01 [patent_title] => 'Method and apparatus for read error recovery' [patent_app_type] => utility [patent_app_number] => 09/896782 [patent_app_country] => US [patent_app_date] => 2001-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 15849 [patent_no_of_claims] => 41 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/862/06862151.pdf [firstpage_image] =>[orig_patent_app_number] => 09896782 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/896782
Method and apparatus for read error recovery Jun 27, 2001 Issued
Array ( [id] => 7027372 [patent_doc_number] => 20010014054 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2001-08-16 [patent_title] => 'Apparatus and method for detecting SYNC signals written on a disk memory device' [patent_app_type] => new [patent_app_number] => 09/748149 [patent_app_country] => US [patent_app_date] => 2000-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 7172 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0014/20010014054.pdf [firstpage_image] =>[orig_patent_app_number] => 09748149 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/748149
Apparatus and method for detecting SYNC signals written on a disk memory device Dec 26, 2000 Issued
Array ( [id] => 7628843 [patent_doc_number] => 06819516 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-11-16 [patent_title] => 'WUS (unsafe) detection (kick back sensing)' [patent_app_type] => B2 [patent_app_number] => 09/732143 [patent_app_country] => US [patent_app_date] => 2000-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 2861 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 14 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/819/06819516.pdf [firstpage_image] =>[orig_patent_app_number] => 09732143 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/732143
WUS (unsafe) detection (kick back sensing) Dec 6, 2000 Issued
Array ( [id] => 1157634 [patent_doc_number] => 06771455 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2004-08-03 [patent_title] => 'Control system and control method for positioning a head above a desired position on disk' [patent_app_type] => B1 [patent_app_number] => 09/656445 [patent_app_country] => US [patent_app_date] => 2000-09-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 7221 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 237 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/771/06771455.pdf [firstpage_image] =>[orig_patent_app_number] => 09656445 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/656445
Control system and control method for positioning a head above a desired position on disk Sep 5, 2000 Issued
Array ( [id] => 7626058 [patent_doc_number] => 06768708 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2004-07-27 [patent_title] => 'Signal recording apparatus' [patent_app_type] => B1 [patent_app_number] => 09/544903 [patent_app_country] => US [patent_app_date] => 2000-04-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3713 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 31 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/768/06768708.pdf [firstpage_image] =>[orig_patent_app_number] => 09544903 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/544903
Signal recording apparatus Apr 6, 2000 Issued
Array ( [id] => 1234280 [patent_doc_number] => 06693760 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2004-02-17 [patent_title] => 'Preamplifier circuit configurable to allow simultaneous read and write operations for self-servo writing a disk drive' [patent_app_type] => B1 [patent_app_number] => 09/540445 [patent_app_country] => US [patent_app_date] => 2000-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 12 [patent_no_of_words] => 5884 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/693/06693760.pdf [firstpage_image] =>[orig_patent_app_number] => 09540445 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/540445
Preamplifier circuit configurable to allow simultaneous read and write operations for self-servo writing a disk drive Mar 30, 2000 Issued
Array ( [id] => 1157537 [patent_doc_number] => 06771445 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2004-08-03 [patent_title] => 'Assembly and method suitable for thermo-magnetic writing/reading of data' [patent_app_type] => B1 [patent_app_number] => 09/540726 [patent_app_country] => US [patent_app_date] => 2000-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 13 [patent_no_of_words] => 3533 [patent_no_of_claims] => 33 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/771/06771445.pdf [firstpage_image] =>[orig_patent_app_number] => 09540726 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/540726
Assembly and method suitable for thermo-magnetic writing/reading of data Mar 30, 2000 Issued
Array ( [id] => 1139602 [patent_doc_number] => 06785072 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2004-08-31 [patent_title] => 'Disc drive stiction/friction characterization utilizing piezoelectric microactuators' [patent_app_type] => B1 [patent_app_number] => 09/539263 [patent_app_country] => US [patent_app_date] => 2000-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 3925 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/785/06785072.pdf [firstpage_image] =>[orig_patent_app_number] => 09539263 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/539263
Disc drive stiction/friction characterization utilizing piezoelectric microactuators Mar 29, 2000 Issued
Array ( [id] => 1234612 [patent_doc_number] => 06693862 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2004-02-17 [patent_title] => 'Recording clock generating apparatus for a data recording system' [patent_app_type] => B1 [patent_app_number] => 09/537691 [patent_app_country] => US [patent_app_date] => 2000-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 9416 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 225 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/693/06693862.pdf [firstpage_image] =>[orig_patent_app_number] => 09537691 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/537691
Recording clock generating apparatus for a data recording system Mar 28, 2000 Issued
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