Search

Shahzeb K. Ahmad

Examiner (ID: 15391, Phone: (571)272-0978 , Office: P/2838 )

Most Active Art Unit
2838
Art Unit(s)
2838, 2839
Total Applications
555
Issued Applications
437
Pending Applications
53
Abandoned Applications
81

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 17253908 [patent_doc_number] => 11189404 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-11-30 [patent_title] => NTC ceramic part, electronic component for inrush current limiting, and method for manufacturing an electronic component [patent_app_type] => utility [patent_app_number] => 16/063266 [patent_app_country] => US [patent_app_date] => 2016-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 5734 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16063266 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/063266
NTC ceramic part, electronic component for inrush current limiting, and method for manufacturing an electronic component Dec 12, 2016 Issued
Array ( [id] => 12912799 [patent_doc_number] => 20180196109 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-07-12 [patent_title] => SWITCHING POWER SUPPLY BURN IN TEST CIRCUIT [patent_app_type] => utility [patent_app_number] => 15/531551 [patent_app_country] => US [patent_app_date] => 2016-11-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3664 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 414 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15531551 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/531551
Switching power supply burn in test circuit Nov 14, 2016 Issued
Array ( [id] => 11446833 [patent_doc_number] => 20170047853 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-02-16 [patent_title] => 'FLYBACK CONVERTER OUTPUT CURRENT EVALUATION CIRCUIT AND EVALUATION METHOD' [patent_app_type] => utility [patent_app_number] => 15/343091 [patent_app_country] => US [patent_app_date] => 2016-11-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 10731 [patent_no_of_claims] => 20 [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] =>[firstpage_image] =>[orig_patent_app_number] => 15343091 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/343091
Flyback converter output current evaluation circuit and evaluation method Nov 2, 2016 Issued
Array ( [id] => 17607592 [patent_doc_number] => 11336086 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-05-17 [patent_title] => Current limiting circuit for limiting the magnitude of an alternating current [patent_app_type] => utility [patent_app_number] => 16/330458 [patent_app_country] => US [patent_app_date] => 2016-09-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 6572 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16330458 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/330458
Current limiting circuit for limiting the magnitude of an alternating current Sep 4, 2016 Issued
Array ( [id] => 11918997 [patent_doc_number] => 09787195 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2017-10-10 [patent_title] => 'Primary current sensing method for isolated LED driver' [patent_app_type] => utility [patent_app_number] => 15/246745 [patent_app_country] => US [patent_app_date] => 2016-08-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 7311 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 264 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15246745 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/246745
Primary current sensing method for isolated LED driver Aug 24, 2016 Issued
Array ( [id] => 12937594 [patent_doc_number] => 09831785 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2017-11-28 [patent_title] => Step-up/down direct current converter [patent_app_type] => utility [patent_app_number] => 15/246328 [patent_app_country] => US [patent_app_date] => 2016-08-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 19 [patent_no_of_words] => 10254 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 272 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15246328 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/246328
Step-up/down direct current converter Aug 23, 2016 Issued
Array ( [id] => 11530516 [patent_doc_number] => 20170090495 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-03-30 [patent_title] => 'Linear Regulator with Improved Power Supply Rejection Ratio' [patent_app_type] => utility [patent_app_number] => 15/232408 [patent_app_country] => US [patent_app_date] => 2016-08-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 7029 [patent_no_of_claims] => 34 [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] =>[firstpage_image] =>[orig_patent_app_number] => 15232408 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/232408
Linear regulator with improved power supply rejection ratio Aug 8, 2016 Issued
Array ( [id] => 17381717 [patent_doc_number] => 11239752 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-02-01 [patent_title] => Adjusting peak inductor current to limit supply input current [patent_app_type] => utility [patent_app_number] => 15/229616 [patent_app_country] => US [patent_app_date] => 2016-08-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 12 [patent_no_of_words] => 7249 [patent_no_of_claims] => 38 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15229616 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/229616
Adjusting peak inductor current to limit supply input current Aug 4, 2016 Issued
Array ( [id] => 13668691 [patent_doc_number] => 10164533 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-12-25 [patent_title] => Converter circuit for reducing a nominal capacitor voltage [patent_app_type] => utility [patent_app_number] => 15/751051 [patent_app_country] => US [patent_app_date] => 2016-08-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2645 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 251 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15751051 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/751051
Converter circuit for reducing a nominal capacitor voltage Aug 3, 2016 Issued
Array ( [id] => 12182184 [patent_doc_number] => 20180041120 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-02-08 [patent_title] => 'HIGH STEP DOWN DC/DC CONVERTER' [patent_app_type] => utility [patent_app_number] => 15/227116 [patent_app_country] => US [patent_app_date] => 2016-08-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4759 [patent_no_of_claims] => 20 [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] =>[firstpage_image] =>[orig_patent_app_number] => 15227116 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/227116
HIGH STEP DOWN DC/DC CONVERTER Aug 2, 2016 Abandoned
Array ( [id] => 16002427 [patent_doc_number] => 20200177084 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-06-04 [patent_title] => RESONANT POWER CONVERSION DEVICE INCLUDING AN ADJUSTMENT AMOUNT CALCULATOR [patent_app_type] => utility [patent_app_number] => 16/317893 [patent_app_country] => US [patent_app_date] => 2016-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6761 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16317893 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/317893
Resonant power conversion device including an adjustment amount calculator Jul 25, 2016 Issued
Array ( [id] => 12173506 [patent_doc_number] => 09891647 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-02-13 [patent_title] => 'Bandgap reference circuit and power supply circuit' [patent_app_type] => utility [patent_app_number] => 15/173304 [patent_app_country] => US [patent_app_date] => 2016-06-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 25 [patent_figures_cnt] => 25 [patent_no_of_words] => 15041 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 31 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15173304 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/173304
Bandgap reference circuit and power supply circuit Jun 2, 2016 Issued
Array ( [id] => 12096010 [patent_doc_number] => 20170353104 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-12-07 [patent_title] => 'DC-DC CONVERTER INPUT VOLTAGE HIGH-ENERGY TRANSIENT CLAMPING TOPOLOGY' [patent_app_type] => utility [patent_app_number] => 15/169951 [patent_app_country] => US [patent_app_date] => 2016-06-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4072 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15169951 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/169951
DC-DC converter input voltage high-energy transient clamping topology May 31, 2016 Issued
Array ( [id] => 11294360 [patent_doc_number] => 20160344292 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-11-24 [patent_title] => 'Inrush current limiting method based on buck+boost topology' [patent_app_type] => utility [patent_app_number] => 14/999524 [patent_app_country] => US [patent_app_date] => 2016-05-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4053 [patent_no_of_claims] => 3 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14999524 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/999524
Inrush current limiting method based on buck+boost topology May 18, 2016 Issued
Array ( [id] => 11294365 [patent_doc_number] => 20160344297 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-11-24 [patent_title] => 'BIDIRECTIONAL DC-DC CONVERTER' [patent_app_type] => utility [patent_app_number] => 15/159053 [patent_app_country] => US [patent_app_date] => 2016-05-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 27 [patent_figures_cnt] => 27 [patent_no_of_words] => 11231 [patent_no_of_claims] => 20 [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] =>[firstpage_image] =>[orig_patent_app_number] => 15159053 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/159053
Bidirectional DC-DC converter May 18, 2016 Issued
Array ( [id] => 12013293 [patent_doc_number] => 09806622 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-10-31 [patent_title] => 'Power conversion device and power conversion control method for the same' [patent_app_type] => utility [patent_app_number] => 15/159018 [patent_app_country] => US [patent_app_date] => 2016-05-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 4232 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 201 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15159018 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/159018
Power conversion device and power conversion control method for the same May 18, 2016 Issued
Array ( [id] => 11984388 [patent_doc_number] => 20170288543 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-10-05 [patent_title] => 'DC OFFSET CORRECTION FOR INDUCTOR CURRENT RIPPLE BASED, CONSTANT-ON-TIME DC-DC CONVERTERS' [patent_app_type] => utility [patent_app_number] => 15/088661 [patent_app_country] => US [patent_app_date] => 2016-04-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 5237 [patent_no_of_claims] => 18 [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] =>[firstpage_image] =>[orig_patent_app_number] => 15088661 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/088661
DC offset correction for inductor current ripple based, constant-on-time DC-DC converters Mar 31, 2016 Issued
Array ( [id] => 11552180 [patent_doc_number] => 09621044 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-04-11 [patent_title] => 'Zero voltage soft switching scheme for power converters' [patent_app_type] => utility [patent_app_number] => 15/089249 [patent_app_country] => US [patent_app_date] => 2016-04-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 23 [patent_no_of_words] => 7283 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 275 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15089249 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/089249
Zero voltage soft switching scheme for power converters Mar 31, 2016 Issued
Array ( [id] => 11975201 [patent_doc_number] => 20170279355 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-09-28 [patent_title] => 'VARIABLE FREQUENCY SOFT-SWITCHING CONTROL OF A BUCK CONVERTER' [patent_app_type] => utility [patent_app_number] => 15/080461 [patent_app_country] => US [patent_app_date] => 2016-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 7461 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15080461 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/080461
Variable frequency soft-switching control of a buck converter Mar 23, 2016 Issued
Array ( [id] => 12397821 [patent_doc_number] => 09966867 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-05-08 [patent_title] => Dead time compensation for synchronous rectifiers in adaptive output powers [patent_app_type] => utility [patent_app_number] => 15/072751 [patent_app_country] => US [patent_app_date] => 2016-03-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 3714 [patent_no_of_claims] => 20 [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] =>[firstpage_image] =>[orig_patent_app_number] => 15072751 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/072751
Dead time compensation for synchronous rectifiers in adaptive output powers Mar 16, 2016 Issued
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