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] => 9893613 [patent_doc_number] => 20150048811 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-02-19 [patent_title] => 'SYSTEM AND METHOD FOR PROVIDING POWER VIA A SPURIOUS-NOISE-FREE SWITCHING DEVICE' [patent_app_type] => utility [patent_app_number] => 14/528060 [patent_app_country] => US [patent_app_date] => 2014-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 6345 [patent_no_of_claims] => 24 [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] => 14528060 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/528060
SYSTEM AND METHOD FOR PROVIDING POWER VIA A SPURIOUS-NOISE-FREE SWITCHING DEVICE Oct 29, 2014 Abandoned
Array ( [id] => 12203048 [patent_doc_number] => 09906128 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-02-27 [patent_title] => 'Intermediate voltage bus converter with power saving modes' [patent_app_type] => utility [patent_app_number] => 14/526812 [patent_app_country] => US [patent_app_date] => 2014-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 6175 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 276 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14526812 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/526812
Intermediate voltage bus converter with power saving modes Oct 28, 2014 Issued
Array ( [id] => 10303449 [patent_doc_number] => 20150188449 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-07-02 [patent_title] => 'SWITCH FOR POWER SUPPLY CONTROL SYSTEM' [patent_app_type] => utility [patent_app_number] => 14/523161 [patent_app_country] => US [patent_app_date] => 2014-10-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 1579 [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] => 14523161 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/523161
SWITCH FOR POWER SUPPLY CONTROL SYSTEM Oct 23, 2014 Abandoned
Array ( [id] => 10753508 [patent_doc_number] => 20160099661 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-04-07 [patent_title] => 'Method to Generate Multilevel Inverter Modulation Control Signals' [patent_app_type] => utility [patent_app_number] => 14/503751 [patent_app_country] => US [patent_app_date] => 2014-10-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 2892 [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] => 14503751 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/503751
Method to generate multilevel inverter modulation control signals Sep 30, 2014 Issued
Array ( [id] => 10200546 [patent_doc_number] => 20150085532 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-03-26 [patent_title] => 'REACTOR AND POWER CONVERSION DEVICE' [patent_app_type] => utility [patent_app_number] => 14/490261 [patent_app_country] => US [patent_app_date] => 2014-09-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 8393 [patent_no_of_claims] => 10 [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] => 14490261 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/490261
REACTOR AND POWER CONVERSION DEVICE Sep 17, 2014 Abandoned
Array ( [id] => 10731384 [patent_doc_number] => 20160077533 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-03-17 [patent_title] => 'VOLTAGE REGULATION SYSTEM FOR INTEGRATED CIRCUIT' [patent_app_type] => utility [patent_app_number] => 14/488261 [patent_app_country] => US [patent_app_date] => 2014-09-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5896 [patent_no_of_claims] => 18 [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] => 14488261 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/488261
Voltage regulation system for integrated circuit Sep 15, 2014 Issued
Array ( [id] => 11259927 [patent_doc_number] => 09484840 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-11-01 [patent_title] => 'Hybrid zero-voltage switching (ZVS) control for power inverters' [patent_app_type] => utility [patent_app_number] => 14/471961 [patent_app_country] => US [patent_app_date] => 2014-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 8 [patent_no_of_words] => 3286 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 239 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14471961 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/471961
Hybrid zero-voltage switching (ZVS) control for power inverters Aug 27, 2014 Issued
Array ( [id] => 11510810 [patent_doc_number] => 09601982 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2017-03-21 [patent_title] => 'Switchable auxiliary supply circuit' [patent_app_type] => utility [patent_app_number] => 14/470771 [patent_app_country] => US [patent_app_date] => 2014-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 4965 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14470771 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/470771
Switchable auxiliary supply circuit Aug 26, 2014 Issued
Array ( [id] => 10538296 [patent_doc_number] => 09263935 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-02-16 [patent_title] => 'Charge and discharge signal circuit and DC-DC converter' [patent_app_type] => utility [patent_app_number] => 14/464499 [patent_app_country] => US [patent_app_date] => 2014-08-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 33 [patent_no_of_words] => 15286 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 366 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14464499 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/464499
Charge and discharge signal circuit and DC-DC converter Aug 19, 2014 Issued
Array ( [id] => 11014716 [patent_doc_number] => 20160211669 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-07-21 [patent_title] => 'ELECTRIC PROTECTION ON AC SIDE OF HVDC' [patent_app_type] => utility [patent_app_number] => 14/913151 [patent_app_country] => US [patent_app_date] => 2014-08-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3462 [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] => 14913151 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/913151
Electric protection on AC side of HVDC Aug 18, 2014 Issued
Array ( [id] => 9863241 [patent_doc_number] => 20150043259 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-02-12 [patent_title] => 'METHOD AND DEVICE FOR OPERATING AN ELECTRICAL POWER CONVERTER' [patent_app_type] => utility [patent_app_number] => 14/453145 [patent_app_country] => US [patent_app_date] => 2014-08-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 9284 [patent_no_of_claims] => 17 [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] => 14453145 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/453145
Method and device for operating an electrical power converter Aug 5, 2014 Issued
Array ( [id] => 9856377 [patent_doc_number] => 20150036394 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-02-05 [patent_title] => 'METHOD AND APPARATUS OF FREQUENCY MODULATION FOR POWER SAVING OF ADAPTIVE POWER CONVERTER' [patent_app_type] => utility [patent_app_number] => 14/340809 [patent_app_country] => US [patent_app_date] => 2014-07-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 2960 [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] => 14340809 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/340809
Method and apparatus of frequency modulation for power saving of adaptive power converter Jul 24, 2014 Issued
Array ( [id] => 11807560 [patent_doc_number] => 09548663 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-01-17 [patent_title] => 'Circuitry and method for adjusting output voltage' [patent_app_type] => utility [patent_app_number] => 14/379855 [patent_app_country] => US [patent_app_date] => 2014-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 7702 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 732 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14379855 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/379855
Circuitry and method for adjusting output voltage Jun 26, 2014 Issued
Array ( [id] => 10309894 [patent_doc_number] => 20150194897 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-07-09 [patent_title] => 'POWER SUPPLY APPARATUS' [patent_app_type] => utility [patent_app_number] => 14/308951 [patent_app_country] => US [patent_app_date] => 2014-06-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4412 [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] => 14308951 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/308951
POWER SUPPLY APPARATUS Jun 18, 2014 Abandoned
Array ( [id] => 11623760 [patent_doc_number] => 20170133949 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-05-11 [patent_title] => 'Converter For Outputting Reactive Power, And Method For Controlling Said Converter' [patent_app_type] => utility [patent_app_number] => 15/318061 [patent_app_country] => US [patent_app_date] => 2014-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 6491 [patent_no_of_claims] => 13 [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] => 15318061 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/318061
Converter for outputting reactive power, and method for controlling said converter Jun 12, 2014 Issued
Array ( [id] => 10086818 [patent_doc_number] => 09124175 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-09-01 [patent_title] => 'Load drive control device' [patent_app_type] => utility [patent_app_number] => 14/296751 [patent_app_country] => US [patent_app_date] => 2014-06-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 7887 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 374 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14296751 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/296751
Load drive control device Jun 4, 2014 Issued
Array ( [id] => 11188121 [patent_doc_number] => 09419541 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-08-16 [patent_title] => 'Multilevel inverter' [patent_app_type] => utility [patent_app_number] => 14/290671 [patent_app_country] => US [patent_app_date] => 2014-05-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 20 [patent_no_of_words] => 5055 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 310 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14290671 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/290671
Multilevel inverter May 28, 2014 Issued
Array ( [id] => 9697946 [patent_doc_number] => 20140247631 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-09-04 [patent_title] => 'FULLY-CONTROLLED BRIDGE RECTIFYING DEVICE WITH SURGE SUPPRESSION FUNCTION' [patent_app_type] => utility [patent_app_number] => 14/278861 [patent_app_country] => US [patent_app_date] => 2014-05-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4163 [patent_no_of_claims] => 6 [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] => 14278861 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/278861
Fully-controlled bridge rectifying device with surge suppression function May 14, 2014 Issued
Array ( [id] => 10690196 [patent_doc_number] => 20160036342 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-02-04 [patent_title] => 'POWER CONVERSION DEVICE' [patent_app_type] => utility [patent_app_number] => 14/772411 [patent_app_country] => US [patent_app_date] => 2014-05-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4383 [patent_no_of_claims] => 5 [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] => 14772411 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/772411
Power conversion device May 12, 2014 Issued
Array ( [id] => 10230937 [patent_doc_number] => 20150115931 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-04-30 [patent_title] => 'POWER SUPPLY DEVICE, POWER SUPPLY SYSTEM AND METHOD FOR CONTROLLING THE SAME' [patent_app_type] => utility [patent_app_number] => 14/273444 [patent_app_country] => US [patent_app_date] => 2014-05-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 4383 [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] => 14273444 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/273444
Power supply device, power supply system and method for controlling the same May 7, 2014 Issued
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