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] => 10261461 [patent_doc_number] => 20150146459 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-05-28 [patent_title] => 'High-voltage protection circuit, high-voltage protection method and power supply' [patent_app_type] => utility [patent_app_number] => 14/412761 [patent_app_country] => US [patent_app_date] => 2013-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 5534 [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] => 14412761 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/412761
High-voltage protection circuit, high-voltage protection method and power supply Jul 28, 2013 Issued
Array ( [id] => 9972712 [patent_doc_number] => 09019736 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-04-28 [patent_title] => 'DC-to-AC power conversion system and method of operating the same' [patent_app_type] => utility [patent_app_number] => 13/940781 [patent_app_country] => US [patent_app_date] => 2013-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 7030 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 397 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13940781 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/940781
DC-to-AC power conversion system and method of operating the same Jul 11, 2013 Issued
Array ( [id] => 11194852 [patent_doc_number] => 09425676 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-08-23 [patent_title] => 'Control method for series resonant converter' [patent_app_type] => utility [patent_app_number] => 14/438751 [patent_app_country] => US [patent_app_date] => 2013-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 4237 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [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] => 14438751 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/438751
Control method for series resonant converter Jun 20, 2013 Issued
Array ( [id] => 9190149 [patent_doc_number] => 20130329464 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-12-12 [patent_title] => 'DIGITAL POWER CONTROL CIRCUIT FOR POWER CONVERTER AND CONTROL CIRCUIT FOR POWER CONVERTER' [patent_app_type] => utility [patent_app_number] => 13/900561 [patent_app_country] => US [patent_app_date] => 2013-05-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 3840 [patent_no_of_claims] => 15 [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] => 13900561 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/900561
DIGITAL POWER CONTROL CIRCUIT FOR POWER CONVERTER AND CONTROL CIRCUIT FOR POWER CONVERTER May 22, 2013 Abandoned
Array ( [id] => 9382454 [patent_doc_number] => 20140085935 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-03-27 [patent_title] => 'POWER CONVERSION DEVICE' [patent_app_type] => utility [patent_app_number] => 13/833731 [patent_app_country] => US [patent_app_date] => 2013-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4852 [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] => 13833731 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/833731
POWER CONVERSION DEVICE Mar 14, 2013 Abandoned
Array ( [id] => 10145611 [patent_doc_number] => 09178429 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-11-03 [patent_title] => 'Actuation apparatus and actuation method for an active snubber circuit for a DC-DC converter' [patent_app_type] => utility [patent_app_number] => 13/772851 [patent_app_country] => US [patent_app_date] => 2013-02-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 3812 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 301 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13772851 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/772851
Actuation apparatus and actuation method for an active snubber circuit for a DC-DC converter Feb 20, 2013 Issued
Array ( [id] => 9797773 [patent_doc_number] => 20150009716 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-01-08 [patent_title] => 'POWER CONVERSION DEVICE AND METHOD FOR DRIVING SAME' [patent_app_type] => utility [patent_app_number] => 14/377519 [patent_app_country] => US [patent_app_date] => 2013-02-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 18 [patent_no_of_words] => 17866 [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] => 14377519 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/377519
POWER CONVERSION DEVICE AND METHOD FOR DRIVING SAME Feb 3, 2013 Abandoned
Array ( [id] => 10487562 [patent_doc_number] => 20150372583 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-12-24 [patent_title] => 'OVERVOLTAGE PROTECTION AND POWER SAVING CIRCUIT FOR A SWITCHED MODE POWER SUPPLY' [patent_app_type] => utility [patent_app_number] => 14/765301 [patent_app_country] => US [patent_app_date] => 2013-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1478 [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] => 14765301 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/765301
OVERVOLTAGE PROTECTION AND POWER SAVING CIRCUIT FOR A SWITCHED MODE POWER SUPPLY Jan 30, 2013 Abandoned
Array ( [id] => 10496010 [patent_doc_number] => 20150381031 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-12-31 [patent_title] => 'FLYBACK CONVERTER' [patent_app_type] => utility [patent_app_number] => 14/764321 [patent_app_country] => US [patent_app_date] => 2013-01-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 7421 [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] => 14764321 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/764321
Flyback converter Jan 29, 2013 Issued
Array ( [id] => 9632442 [patent_doc_number] => 20140210550 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-07-31 [patent_title] => 'REVERSE CURRENT PREVENTION' [patent_app_type] => utility [patent_app_number] => 13/752241 [patent_app_country] => US [patent_app_date] => 2013-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 5750 [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] => 13752241 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/752241
Reverse current prevention Jan 27, 2013 Issued
Array ( [id] => 9433267 [patent_doc_number] => 20140111173 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-04-24 [patent_title] => 'LOW DROP-OUT REGULATOR' [patent_app_type] => utility [patent_app_number] => 13/740751 [patent_app_country] => US [patent_app_date] => 2013-01-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4063 [patent_no_of_claims] => 19 [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] => 13740751 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/740751
LOW DROP-OUT REGULATOR Jan 13, 2013 Abandoned
Array ( [id] => 9595882 [patent_doc_number] => 20140192561 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-07-10 [patent_title] => 'CONTROL CIRCUIT FOR SWITCHING POWER CONVERTERS WITH SYNCHRONOUS RECTIFIERS' [patent_app_type] => utility [patent_app_number] => 13/738361 [patent_app_country] => US [patent_app_date] => 2013-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3813 [patent_no_of_claims] => 10 [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] => 13738361 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/738361
Control circuit for switching power converters with synchronous rectifiers Jan 9, 2013 Issued
Array ( [id] => 10871073 [patent_doc_number] => 08896277 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-11-25 [patent_title] => 'Voltage regulator' [patent_app_type] => utility [patent_app_number] => 13/718451 [patent_app_country] => US [patent_app_date] => 2012-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 1820 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13718451 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/718451
Voltage regulator Dec 17, 2012 Issued
Array ( [id] => 9278308 [patent_doc_number] => 20140028276 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-01-30 [patent_title] => 'INTERNAL VOLTAGE GENERATOR HAVING IMMUNITY TO GROUND BOUNCING' [patent_app_type] => utility [patent_app_number] => 13/717141 [patent_app_country] => US [patent_app_date] => 2012-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2807 [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] => 13717141 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/717141
INTERNAL VOLTAGE GENERATOR HAVING IMMUNITY TO GROUND BOUNCING Dec 16, 2012 Abandoned
Array ( [id] => 10035931 [patent_doc_number] => 09077260 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-07-07 [patent_title] => 'Boost power factor correction controller' [patent_app_type] => utility [patent_app_number] => 13/714261 [patent_app_country] => US [patent_app_date] => 2012-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4389 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 237 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13714261 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/714261
Boost power factor correction controller Dec 12, 2012 Issued
Array ( [id] => 8948157 [patent_doc_number] => 20130193937 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-08-01 [patent_title] => 'SWITCHING REGULATOR AND ELECTRONIC APPARATUS' [patent_app_type] => utility [patent_app_number] => 13/693761 [patent_app_country] => US [patent_app_date] => 2012-12-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 5814 [patent_no_of_claims] => 7 [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] => 13693761 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/693761
SWITCHING REGULATOR AND ELECTRONIC APPARATUS Dec 3, 2012 Abandoned
Array ( [id] => 8974195 [patent_doc_number] => 20130207625 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-08-15 [patent_title] => 'SWITCHING REGULATOR' [patent_app_type] => utility [patent_app_number] => 13/692761 [patent_app_country] => US [patent_app_date] => 2012-12-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 7046 [patent_no_of_claims] => 13 [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] => 13692761 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/692761
SWITCHING REGULATOR Dec 2, 2012 Abandoned
Array ( [id] => 9804222 [patent_doc_number] => 20150016167 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-01-15 [patent_title] => 'Multilevel Converter' [patent_app_type] => utility [patent_app_number] => 14/374909 [patent_app_country] => US [patent_app_date] => 2012-11-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 6017 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 13 [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] => 14374909 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/374909
Multilevel Converter Nov 14, 2012 Abandoned
Array ( [id] => 11280319 [patent_doc_number] => 09496805 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-11-15 [patent_title] => 'Single-phase power converter, three-phase two-phase power converter, and three-phase power converter' [patent_app_type] => utility [patent_app_number] => 14/360251 [patent_app_country] => US [patent_app_date] => 2012-11-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 33 [patent_no_of_words] => 17926 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 321 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14360251 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/360251
Single-phase power converter, three-phase two-phase power converter, and three-phase power converter Nov 14, 2012 Issued
Array ( [id] => 8818922 [patent_doc_number] => 20130119967 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-05-16 [patent_title] => 'BANDGAP REFERENCE CIRCUIT AND POWER SUPPLY CIRCUIT' [patent_app_type] => utility [patent_app_number] => 13/665641 [patent_app_country] => US [patent_app_date] => 2012-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 26 [patent_figures_cnt] => 26 [patent_no_of_words] => 15020 [patent_no_of_claims] => 14 [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] => 13665641 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/665641
Bandgap reference circuit and power supply circuit Oct 30, 2012 Issued
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