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] => 16339765 [patent_doc_number] => 10790737 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-09-29 [patent_title] => Current threshold regulation method used in switching converters [patent_app_type] => utility [patent_app_number] => 16/380962 [patent_app_country] => US [patent_app_date] => 2019-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 4311 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16380962 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/380962
Current threshold regulation method used in switching converters Apr 9, 2019 Issued
Array ( [id] => 15001141 [patent_doc_number] => 20190319528 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-10-17 [patent_title] => Switching Power Supply with a Measuring and Calculating Process for the Switching Times [patent_app_type] => utility [patent_app_number] => 16/380077 [patent_app_country] => US [patent_app_date] => 2019-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14485 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -1 [patent_words_short_claim] => 363 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16380077 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/380077
Switching power supply with a measuring and calculating process for the switching times Apr 9, 2019 Issued
Array ( [id] => 15858591 [patent_doc_number] => 10644599 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-05-05 [patent_title] => Current sensing system comprising a scaled transistor and methods of operation thereof [patent_app_type] => utility [patent_app_number] => 16/380610 [patent_app_country] => US [patent_app_date] => 2019-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 14 [patent_no_of_words] => 8764 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 184 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16380610 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/380610
Current sensing system comprising a scaled transistor and methods of operation thereof Apr 9, 2019 Issued
Array ( [id] => 14656843 [patent_doc_number] => 20190235550 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-08-01 [patent_title] => LOW DROPOUT REGULATOR AND PHASE-LOCKED LOOP [patent_app_type] => utility [patent_app_number] => 16/376358 [patent_app_country] => US [patent_app_date] => 2019-04-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5271 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 252 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16376358 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/376358
Low dropout regulator and phase-locked loop Apr 4, 2019 Issued
Array ( [id] => 14970089 [patent_doc_number] => 20190312523 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-10-10 [patent_title] => POWER CONVERTING APPARATUS AND HOME APPLIANCE INCLUDING THE SAME [patent_app_type] => utility [patent_app_number] => 16/375625 [patent_app_country] => US [patent_app_date] => 2019-04-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9161 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16375625 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/375625
AC/DC combined power converting apparatus and home appliance including the same Apr 3, 2019 Issued
Array ( [id] => 16901080 [patent_doc_number] => 20210179996 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-17 [patent_title] => A POWER CONVERTER FOR A BIOELECTROCHEMICAL SYSTEM [patent_app_type] => utility [patent_app_number] => 17/047876 [patent_app_country] => US [patent_app_date] => 2019-04-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3182 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17047876 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/047876
Power converter for a bioelectrochemical system Apr 1, 2019 Issued
Array ( [id] => 17600173 [patent_doc_number] => 20220149747 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-12 [patent_title] => POWER CONVERSION DEVICE [patent_app_type] => utility [patent_app_number] => 17/442708 [patent_app_country] => US [patent_app_date] => 2019-04-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8250 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 17442708 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/442708
Power conversion device Mar 31, 2019 Issued
Array ( [id] => 16866396 [patent_doc_number] => 11025155 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-06-01 [patent_title] => Power supply control device for setting minimum on width of output switch [patent_app_type] => utility [patent_app_number] => 16/353031 [patent_app_country] => US [patent_app_date] => 2019-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 15540 [patent_no_of_claims] => 8 [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] =>[firstpage_image] =>[orig_patent_app_number] => 16353031 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/353031
Power supply control device for setting minimum on width of output switch Mar 13, 2019 Issued
Array ( [id] => 14543803 [patent_doc_number] => 20190207523 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-07-04 [patent_title] => ISOLATED DC/DC CONVERTER, PRIMARY SIDE CONTROLLER, POWER ADAPTER, AND ELECTRONIC DEVICE [patent_app_type] => utility [patent_app_number] => 16/296775 [patent_app_country] => US [patent_app_date] => 2019-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8428 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16296775 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/296775
ISOLATED DC/DC CONVERTER, PRIMARY SIDE CONTROLLER, POWER ADAPTER, AND ELECTRONIC DEVICE Mar 7, 2019 Abandoned
Array ( [id] => 17295968 [patent_doc_number] => 20210391807 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-16 [patent_title] => POWER CONVERSION DEVICE [patent_app_type] => utility [patent_app_number] => 17/417774 [patent_app_country] => US [patent_app_date] => 2019-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10441 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 260 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17417774 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/417774
Power conversion device Feb 28, 2019 Issued
Array ( [id] => 16192596 [patent_doc_number] => 20200233445 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-07-23 [patent_title] => Bandgap Current Architecture Optimized for Size and Accuracy [patent_app_type] => utility [patent_app_number] => 16/282847 [patent_app_country] => US [patent_app_date] => 2019-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6001 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16282847 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/282847
Bandgap current architecture optimized for size and accuracy Feb 21, 2019 Issued
Array ( [id] => 14934369 [patent_doc_number] => 20190302822 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-10-03 [patent_title] => SWITCHING REGULATOR AND CONTROL CIRCUIT AND CONTROL METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 16/274162 [patent_app_country] => US [patent_app_date] => 2019-02-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8142 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16274162 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/274162
Switching regulator and control circuit and control method thereof Feb 11, 2019 Issued
Array ( [id] => 15256555 [patent_doc_number] => 20190377011 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-12-12 [patent_title] => VOLTAGE BOOSTER ISOLATION TRANSFORMER SYSTEM AND METHOD OF OPERATING THE SAME [patent_app_type] => utility [patent_app_number] => 16/273862 [patent_app_country] => US [patent_app_date] => 2019-02-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4702 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -26 [patent_words_short_claim] => 53 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16273862 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/273862
VOLTAGE BOOSTER ISOLATION TRANSFORMER SYSTEM AND METHOD OF OPERATING THE SAME Feb 11, 2019 Abandoned
Array ( [id] => 14415075 [patent_doc_number] => 20190173381 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-06-06 [patent_title] => CURRENT SENSING WITH RDSON CORRECTION [patent_app_type] => utility [patent_app_number] => 16/270499 [patent_app_country] => US [patent_app_date] => 2019-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7398 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16270499 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/270499
CURRENT SENSING WITH RDSON CORRECTION Feb 6, 2019 Abandoned
Array ( [id] => 14905733 [patent_doc_number] => 20190296632 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-09-26 [patent_title] => WAVEFORM SHAPING CIRCUIT, SEMICONDUCTOR DEVICE, AND SWITCHING POWER SUPPLY DEVICE [patent_app_type] => utility [patent_app_number] => 16/248876 [patent_app_country] => US [patent_app_date] => 2019-01-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11237 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16248876 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/248876
Waveform shaping circuit, semiconductor device, and switching power supply device Jan 15, 2019 Issued
Array ( [id] => 14889895 [patent_doc_number] => 10425003 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2019-09-24 [patent_title] => Power supply device [patent_app_type] => utility [patent_app_number] => 16/248792 [patent_app_country] => US [patent_app_date] => 2019-01-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4557 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16248792 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/248792
Power supply device Jan 15, 2019 Issued
Array ( [id] => 16684834 [patent_doc_number] => 10944329 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-03-09 [patent_title] => Power converter topologies and control methods for wide input and output voltage ranges [patent_app_type] => utility [patent_app_number] => 16/248154 [patent_app_country] => US [patent_app_date] => 2019-01-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 44 [patent_no_of_words] => 6656 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 172 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16248154 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/248154
Power converter topologies and control methods for wide input and output voltage ranges Jan 14, 2019 Issued
Array ( [id] => 15235437 [patent_doc_number] => 10505451 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-12-10 [patent_title] => Variable frequency soft-switching control of a buck converter [patent_app_type] => utility [patent_app_number] => 16/248373 [patent_app_country] => US [patent_app_date] => 2019-01-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 6662 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 177 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16248373 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/248373
Variable frequency soft-switching control of a buck converter Jan 14, 2019 Issued
Array ( [id] => 17544667 [patent_doc_number] => 11309807 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-04-19 [patent_title] => Power conversion system and power conversion device [patent_app_type] => utility [patent_app_number] => 17/293915 [patent_app_country] => US [patent_app_date] => 2019-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 8286 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 189 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17293915 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/293915
Power conversion system and power conversion device Jan 10, 2019 Issued
Array ( [id] => 16496345 [patent_doc_number] => 10862402 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-12-08 [patent_title] => System and method for power converter including inverter, resonant circuit. and voltage multiplier [patent_app_type] => utility [patent_app_number] => 16/238237 [patent_app_country] => US [patent_app_date] => 2019-01-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3422 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16238237 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/238237
System and method for power converter including inverter, resonant circuit. and voltage multiplier Jan 1, 2019 Issued
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