Search

Brent J Andrews

Examiner (ID: 11251, Phone: (571)272-6101 , Office: P/2868 )

Most Active Art Unit
2868
Art Unit(s)
2868, 2858
Total Applications
324
Issued Applications
226
Pending Applications
36
Abandoned Applications
62

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 1219695 [patent_doc_number] => 06707627 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2004-03-16 [patent_title] => 'Error checking in a disk drive system using a modulo code' [patent_app_type] => B1 [patent_app_number] => 09/518655 [patent_app_country] => US [patent_app_date] => 2000-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 2861 [patent_no_of_claims] => 70 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/707/06707627.pdf [firstpage_image] =>[orig_patent_app_number] => 09518655 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/518655
Error checking in a disk drive system using a modulo code Mar 2, 2000 Issued
Array ( [id] => 1599691 [patent_doc_number] => 06493163 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-12-10 [patent_title] => 'Increased lock range PLL for constrained data' [patent_app_type] => B1 [patent_app_number] => 09/518111 [patent_app_country] => US [patent_app_date] => 2000-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3356 [patent_no_of_claims] => 38 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/493/06493163.pdf [firstpage_image] =>[orig_patent_app_number] => 09518111 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/518111
Increased lock range PLL for constrained data Mar 2, 2000 Issued
Array ( [id] => 1367126 [patent_doc_number] => 06577460 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-06-10 [patent_title] => 'Method and apparatus for improving track format efficiency in a direct access storage device' [patent_app_type] => B1 [patent_app_number] => 09/516100 [patent_app_country] => US [patent_app_date] => 2000-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 18 [patent_no_of_words] => 6625 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/577/06577460.pdf [firstpage_image] =>[orig_patent_app_number] => 09516100 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/516100
Method and apparatus for improving track format efficiency in a direct access storage device Feb 29, 2000 Issued
Array ( [id] => 1405105 [patent_doc_number] => 06549357 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-04-15 [patent_title] => 'Selectable input pole compensation for a disk drive read head' [patent_app_type] => B1 [patent_app_number] => 09/513393 [patent_app_country] => US [patent_app_date] => 2000-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 14 [patent_no_of_words] => 6803 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/549/06549357.pdf [firstpage_image] =>[orig_patent_app_number] => 09513393 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/513393
Selectable input pole compensation for a disk drive read head Feb 24, 2000 Issued
Array ( [id] => 1148630 [patent_doc_number] => 06778345 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2004-08-17 [patent_title] => 'Circuit and method for controlling the gain of an amplifier' [patent_app_type] => B1 [patent_app_number] => 09/503399 [patent_app_country] => US [patent_app_date] => 2000-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 4917 [patent_no_of_claims] => 36 [patent_no_of_ind_claims] => 15 [patent_words_short_claim] => 46 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/778/06778345.pdf [firstpage_image] =>[orig_patent_app_number] => 09503399 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/503399
Circuit and method for controlling the gain of an amplifier Feb 13, 2000 Issued
Array ( [id] => 1410778 [patent_doc_number] => 06532122 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-03-11 [patent_title] => 'Data storage apparatus and magnetic recording method' [patent_app_type] => B1 [patent_app_number] => 09/493791 [patent_app_country] => US [patent_app_date] => 2000-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 46 [patent_no_of_words] => 8858 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/532/06532122.pdf [firstpage_image] =>[orig_patent_app_number] => 09493791 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/493791
Data storage apparatus and magnetic recording method Jan 27, 2000 Issued
Array ( [id] => 1599680 [patent_doc_number] => 06493161 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-12-10 [patent_title] => 'Pulse-mode writer' [patent_app_type] => B1 [patent_app_number] => 09/476016 [patent_app_country] => US [patent_app_date] => 1999-12-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 10 [patent_no_of_words] => 6502 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/493/06493161.pdf [firstpage_image] =>[orig_patent_app_number] => 09476016 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/476016
Pulse-mode writer Dec 30, 1999 Issued
Array ( [id] => 1424717 [patent_doc_number] => 06512646 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-01-28 [patent_title] => 'Impedance-matched write circuit' [patent_app_type] => B1 [patent_app_number] => 09/475909 [patent_app_country] => US [patent_app_date] => 1999-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 4414 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/512/06512646.pdf [firstpage_image] =>[orig_patent_app_number] => 09475909 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/475909
Impedance-matched write circuit Dec 29, 1999 Issued
Array ( [id] => 1405046 [patent_doc_number] => 06549353 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-04-15 [patent_title] => 'Overshoot control for a hard disk drive write head' [patent_app_type] => B1 [patent_app_number] => 09/474958 [patent_app_country] => US [patent_app_date] => 1999-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 9 [patent_no_of_words] => 3215 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/549/06549353.pdf [firstpage_image] =>[orig_patent_app_number] => 09474958 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/474958
Overshoot control for a hard disk drive write head Dec 29, 1999 Issued
Array ( [id] => 1318514 [patent_doc_number] => 06614607 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-09-02 [patent_title] => 'Servo pattern recording method and system' [patent_app_type] => B1 [patent_app_number] => 09/474358 [patent_app_country] => US [patent_app_date] => 1999-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 11 [patent_no_of_words] => 9999 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/614/06614607.pdf [firstpage_image] =>[orig_patent_app_number] => 09474358 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/474358
Servo pattern recording method and system Dec 28, 1999 Issued
Array ( [id] => 1412276 [patent_doc_number] => 06542321 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-04-01 [patent_title] => 'Bidirectional read-while-write data recording system' [patent_app_type] => B1 [patent_app_number] => 09/474360 [patent_app_country] => US [patent_app_date] => 1999-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 2826 [patent_no_of_claims] => 34 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/542/06542321.pdf [firstpage_image] =>[orig_patent_app_number] => 09474360 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/474360
Bidirectional read-while-write data recording system Dec 28, 1999 Issued
Array ( [id] => 818218 [patent_doc_number] => 07411752 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-08-12 [patent_title] => 'Head vibration detection device and method' [patent_app_type] => utility [patent_app_number] => 09/469597 [patent_app_country] => US [patent_app_date] => 1999-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 11 [patent_no_of_words] => 2251 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 56 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/411/07411752.pdf [firstpage_image] =>[orig_patent_app_number] => 09469597 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/469597
Head vibration detection device and method Dec 21, 1999 Issued
Array ( [id] => 1507035 [patent_doc_number] => 06466386 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-10-15 [patent_title] => 'Magnetic recording using discrete pulsed write currents in a disc drive' [patent_app_type] => B1 [patent_app_number] => 09/470659 [patent_app_country] => US [patent_app_date] => 1999-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 11 [patent_no_of_words] => 5586 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/466/06466386.pdf [firstpage_image] =>[orig_patent_app_number] => 09470659 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/470659
Magnetic recording using discrete pulsed write currents in a disc drive Dec 21, 1999 Issued
Array ( [id] => 1549861 [patent_doc_number] => 06445524 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-09-03 [patent_title] => 'Method of operating a disk drive for writing to an addressable location after detecting that a head is within a safe-to-write window' [patent_app_type] => B1 [patent_app_number] => 09/458527 [patent_app_country] => US [patent_app_date] => 1999-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2846 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 199 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/445/06445524.pdf [firstpage_image] =>[orig_patent_app_number] => 09458527 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/458527
Method of operating a disk drive for writing to an addressable location after detecting that a head is within a safe-to-write window Dec 19, 1999 Issued
Array ( [id] => 1417827 [patent_doc_number] => 06535344 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-03-18 [patent_title] => 'Tape drive unit and recording medium' [patent_app_type] => B1 [patent_app_number] => 09/457860 [patent_app_country] => US [patent_app_date] => 1999-12-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 24 [patent_no_of_words] => 9139 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/535/06535344.pdf [firstpage_image] =>[orig_patent_app_number] => 09457860 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/457860
Tape drive unit and recording medium Dec 9, 1999 Issued
Array ( [id] => 1427107 [patent_doc_number] => 06519105 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-02-11 [patent_title] => 'Recording medium and tape drive device' [patent_app_type] => B1 [patent_app_number] => 09/457859 [patent_app_country] => US [patent_app_date] => 1999-12-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 31 [patent_no_of_words] => 14542 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/519/06519105.pdf [firstpage_image] =>[orig_patent_app_number] => 09457859 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/457859
Recording medium and tape drive device Dec 9, 1999 Issued
Array ( [id] => 1417801 [patent_doc_number] => 06535342 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-03-18 [patent_title] => 'Apparatus, system and method for writing information onto magnetic media field of the invention' [patent_app_type] => B1 [patent_app_number] => 09/458273 [patent_app_country] => US [patent_app_date] => 1999-12-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 9 [patent_no_of_words] => 3972 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 38 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/535/06535342.pdf [firstpage_image] =>[orig_patent_app_number] => 09458273 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/458273
Apparatus, system and method for writing information onto magnetic media field of the invention Dec 8, 1999 Issued
Array ( [id] => 1334061 [patent_doc_number] => 06600613 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-07-29 [patent_title] => 'Demodulation of magnetically recorded data' [patent_app_type] => B1 [patent_app_number] => 09/456939 [patent_app_country] => US [patent_app_date] => 1999-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 18 [patent_no_of_words] => 5289 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/600/06600613.pdf [firstpage_image] =>[orig_patent_app_number] => 09456939 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/456939
Demodulation of magnetically recorded data Dec 6, 1999 Issued
Array ( [id] => 1367149 [patent_doc_number] => 06577462 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-06-10 [patent_title] => 'Method and device for recording and reproducing data' [patent_app_type] => B1 [patent_app_number] => 09/445217 [patent_app_country] => US [patent_app_date] => 1999-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 3632 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/577/06577462.pdf [firstpage_image] =>[orig_patent_app_number] => 09445217 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/445217
Method and device for recording and reproducing data Dec 5, 1999 Issued
Array ( [id] => 784409 [patent_doc_number] => 06992854 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2006-01-31 [patent_title] => 'Disk drive using servo in data technique' [patent_app_type] => utility [patent_app_number] => 09/454125 [patent_app_country] => US [patent_app_date] => 1999-12-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 8570 [patent_no_of_claims] => 51 [patent_no_of_ind_claims] => 12 [patent_words_short_claim] => 33 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/992/06992854.pdf [firstpage_image] =>[orig_patent_app_number] => 09454125 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/454125
Disk drive using servo in data technique Dec 2, 1999 Issued
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