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] => 11029427 [patent_doc_number] => 20160226383 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-08-04 [patent_title] => 'SWITCHED-MODE POWER SUPPLY DEVICE' [patent_app_type] => utility [patent_app_number] => 14/828701 [patent_app_country] => US [patent_app_date] => 2015-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 5353 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [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] => 14828701 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/828701
Switched-mode power supply device Aug 17, 2015 Issued
Array ( [id] => 11681841 [patent_doc_number] => 09680382 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-06-13 [patent_title] => 'Input frequency measurement' [patent_app_type] => utility [patent_app_number] => 14/816961 [patent_app_country] => US [patent_app_date] => 2015-08-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 10752 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14816961 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/816961
Input frequency measurement Aug 2, 2015 Issued
Array ( [id] => 11423230 [patent_doc_number] => 20170031374 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-02-02 [patent_title] => 'LOW DROPOUT REGULATOR WITH WIDE INPUT VOLTAGE RANGE' [patent_app_type] => utility [patent_app_number] => 14/811091 [patent_app_country] => US [patent_app_date] => 2015-07-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 4269 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [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] => 14811091 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/811091
Low dropout regulator with wide input voltage range Jul 27, 2015 Issued
Array ( [id] => 10753500 [patent_doc_number] => 20160099652 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-04-07 [patent_title] => 'HIGH VOLTAGE DIRECT CURRENT TRANSMISSION SYSTEM' [patent_app_type] => utility [patent_app_number] => 14/811571 [patent_app_country] => US [patent_app_date] => 2015-07-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 5211 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [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] => 14811571 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/811571
HIGH VOLTAGE DIRECT CURRENT TRANSMISSION SYSTEM Jul 27, 2015 Abandoned
Array ( [id] => 11747104 [patent_doc_number] => 20170201177 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-07-13 [patent_title] => 'SYSTEM AND METHOD FOR TWO-PHASE INTERLEAVED DC-DC CONVERTERS' [patent_app_type] => utility [patent_app_number] => 15/326961 [patent_app_country] => US [patent_app_date] => 2015-07-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 7621 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [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] => 15326961 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/326961
SYSTEM AND METHOD FOR TWO-PHASE INTERLEAVED DC-DC CONVERTERS Jul 16, 2015 Abandoned
Array ( [id] => 11392259 [patent_doc_number] => 09553513 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-01-24 [patent_title] => 'Control circuit with chopping amplifier for switching converter' [patent_app_type] => utility [patent_app_number] => 14/797071 [patent_app_country] => US [patent_app_date] => 2015-07-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 5207 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 303 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14797071 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/797071
Control circuit with chopping amplifier for switching converter Jul 9, 2015 Issued
Array ( [id] => 12575412 [patent_doc_number] => 10020740 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-07-10 [patent_title] => Synchronous rectifier drive and soft switching circuit [patent_app_type] => utility [patent_app_number] => 14/795101 [patent_app_country] => US [patent_app_date] => 2015-07-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3846 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [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] => 14795101 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/795101
Synchronous rectifier drive and soft switching circuit Jul 8, 2015 Issued
Array ( [id] => 10660196 [patent_doc_number] => 20160006340 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-01-07 [patent_title] => 'CONTROL CIRCUIT AND ASSOCIATED METHOD FOR SWITCHING CONVERTER' [patent_app_type] => utility [patent_app_number] => 14/789921 [patent_app_country] => US [patent_app_date] => 2015-07-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 4062 [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] => 14789921 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/789921
Control circuit and associated method for switching converter Jun 30, 2015 Issued
Array ( [id] => 10984984 [patent_doc_number] => 20160181929 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-06-23 [patent_title] => 'FLYBACK CONVERTER OUTPUT CURRENT EVALUATION CIRCUIT AND EVALUATION METHOD' [patent_app_type] => utility [patent_app_number] => 14/755951 [patent_app_country] => US [patent_app_date] => 2015-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 10694 [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] => 14755951 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/755951
Flyback converter output current evaluation circuit and evaluation method Jun 29, 2015 Issued
Array ( [id] => 10496029 [patent_doc_number] => 20150381051 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-12-31 [patent_title] => 'POWER CONVERTER WITH AVERAGE CURRENT DETECTION AND THE DETECTING CIRCUIT AND METHOD THEREOF' [patent_app_type] => utility [patent_app_number] => 14/788361 [patent_app_country] => US [patent_app_date] => 2015-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 6232 [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] => 14788361 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/788361
Power converter with average current detection and the detecting circuit and method thereof Jun 29, 2015 Issued
Array ( [id] => 10637142 [patent_doc_number] => 09354642 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-05-31 [patent_title] => 'Load adaptive loop based voltage source' [patent_app_type] => utility [patent_app_number] => 14/662700 [patent_app_country] => US [patent_app_date] => 2015-03-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 3795 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 168 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14662700 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/662700
Load adaptive loop based voltage source Mar 18, 2015 Issued
Array ( [id] => 11104332 [patent_doc_number] => 20160301301 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-10-13 [patent_title] => 'VOLTAGE SUPPLY CIRCUITS AND CONTROLLING METHODS THEREFOR' [patent_app_type] => utility [patent_app_number] => 15/038561 [patent_app_country] => US [patent_app_date] => 2015-01-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3195 [patent_no_of_claims] => 11 [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] => 15038561 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/038561
VOLTAGE SUPPLY CIRCUITS AND CONTROLLING METHODS THEREFOR Jan 13, 2015 Abandoned
Array ( [id] => 12397842 [patent_doc_number] => 09966874 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-05-08 [patent_title] => Power-cell switching-cycle capacitor voltage control for modular multi-level converters [patent_app_type] => utility [patent_app_number] => 14/578651 [patent_app_country] => US [patent_app_date] => 2014-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 21 [patent_no_of_words] => 8613 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14578651 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/578651
Power-cell switching-cycle capacitor voltage control for modular multi-level converters Dec 21, 2014 Issued
Array ( [id] => 10718920 [patent_doc_number] => 20160065067 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-03-03 [patent_title] => 'CURRENT SENSING WITH RDSON CORRECTION' [patent_app_type] => utility [patent_app_number] => 14/572361 [patent_app_country] => US [patent_app_date] => 2014-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 7731 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 5 [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] => 14572361 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/572361
Current sensing with RDS Dec 15, 2014 Issued
Array ( [id] => 10753495 [patent_doc_number] => 20160099647 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-04-07 [patent_title] => 'Zero Voltage Soft Switching Scheme for Power Converters' [patent_app_type] => utility [patent_app_number] => 14/554871 [patent_app_country] => US [patent_app_date] => 2014-11-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 7254 [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] => 14554871 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/554871
Zero voltage soft switching scheme for power converters Nov 25, 2014 Issued
Array ( [id] => 11584469 [patent_doc_number] => 09639105 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-05-02 [patent_title] => 'Thermal management in a multi-phase power system' [patent_app_type] => utility [patent_app_number] => 14/543970 [patent_app_country] => US [patent_app_date] => 2014-11-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 6048 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 196 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14543970 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/543970
Thermal management in a multi-phase power system Nov 17, 2014 Issued
Array ( [id] => 10772739 [patent_doc_number] => 20160118894 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-04-28 [patent_title] => 'INVERTING BUCK-BOOST CONVERTER DRIVE CIRCUIT AND METHOD' [patent_app_type] => utility [patent_app_number] => 14/538115 [patent_app_country] => US [patent_app_date] => 2014-11-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5922 [patent_no_of_claims] => 22 [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] => 14538115 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/538115
Inverting buck-boost converter drive circuit and method Nov 10, 2014 Issued
Array ( [id] => 10246356 [patent_doc_number] => 20150131352 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-05-14 [patent_title] => 'Multi-Level Converter Control' [patent_app_type] => utility [patent_app_number] => 14/537471 [patent_app_country] => US [patent_app_date] => 2014-11-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5329 [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] => 14537471 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/537471
Multi-Level Converter Control Nov 9, 2014 Abandoned
Array ( [id] => 10303408 [patent_doc_number] => 20150188408 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-07-02 [patent_title] => 'POWER CONVERTER SYSTEM AND METHOD OF OPERATING THEREOF' [patent_app_type] => utility [patent_app_number] => 14/534109 [patent_app_country] => US [patent_app_date] => 2014-11-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 6323 [patent_no_of_claims] => 19 [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] => 14534109 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/534109
Power converter system and method of operating thereof Nov 4, 2014 Issued
Array ( [id] => 10780683 [patent_doc_number] => 20160126839 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-05-05 [patent_title] => 'BOOST CONVERTERS HAVING SELF-ADAPTIVE MAXIMUM DUTY-CYCLE-LIMIT CONTROL' [patent_app_type] => utility [patent_app_number] => 14/534034 [patent_app_country] => US [patent_app_date] => 2014-11-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 4741 [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] => 14534034 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/534034
Boost converters having self-adaptive maximum duty-cycle-limit control Nov 4, 2014 Issued
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