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] => 12148210 [patent_doc_number] => 09882477 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-01-30 [patent_title] => 'Drive scheme for weakly coupled coils' [patent_app_type] => utility [patent_app_number] => 14/262971 [patent_app_country] => US [patent_app_date] => 2014-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 6348 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 199 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14262971 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/262971
Drive scheme for weakly coupled coils Apr 27, 2014 Issued
Array ( [id] => 10937037 [patent_doc_number] => 20140340059 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-11-20 [patent_title] => 'TIMING GENERATOR AND TIMING SIGNAL GENERATION METHOD FOR POWER CONVERTER' [patent_app_type] => utility [patent_app_number] => 14/251661 [patent_app_country] => US [patent_app_date] => 2014-04-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 5328 [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] => 14251661 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/251661
Timing generator and timing signal generation method for power converter Apr 13, 2014 Issued
Array ( [id] => 13654425 [patent_doc_number] => 09853539 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2017-12-26 [patent_title] => Systems and methods for measuring inductor current in a switching DC-to-DC converter [patent_app_type] => utility [patent_app_number] => 14/243261 [patent_app_country] => US [patent_app_date] => 2014-04-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 11 [patent_no_of_words] => 5239 [patent_no_of_claims] => 37 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 270 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14243261 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/243261
Systems and methods for measuring inductor current in a switching DC-to-DC converter Apr 1, 2014 Issued
Array ( [id] => 10903660 [patent_doc_number] => 20140306674 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-10-16 [patent_title] => 'CHARGE AND DISCHARGE SIGNAL CIRCUIT AND DC-DC CONVERTER' [patent_app_type] => utility [patent_app_number] => 14/229751 [patent_app_country] => US [patent_app_date] => 2014-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 10800 [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] => 14229751 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/229751
Charge and discharge signal circuit and DC-DC converter Mar 27, 2014 Issued
Array ( [id] => 10660100 [patent_doc_number] => 20160006243 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-01-07 [patent_title] => 'HUB' [patent_app_type] => utility [patent_app_number] => 14/768171 [patent_app_country] => US [patent_app_date] => 2014-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 18 [patent_no_of_words] => 10322 [patent_no_of_claims] => 11 [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] => 14768171 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/768171
HUB Feb 12, 2014 Abandoned
Array ( [id] => 10344222 [patent_doc_number] => 20150229227 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-08-13 [patent_title] => 'Multi-phase AC/AC Step-down Converter for Distribution Systems' [patent_app_type] => utility [patent_app_number] => 14/175461 [patent_app_country] => US [patent_app_date] => 2014-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 5208 [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] => 14175461 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/175461
Multi-phase AC/AC step-down converter for distribution systems Feb 6, 2014 Issued
Array ( [id] => 12438372 [patent_doc_number] => 09979311 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-05-22 [patent_title] => Matrix converter [patent_app_type] => utility [patent_app_number] => 14/762781 [patent_app_country] => US [patent_app_date] => 2014-01-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 32 [patent_no_of_words] => 21959 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 312 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14762781 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/762781
Matrix converter Jan 21, 2014 Issued
Array ( [id] => 9614757 [patent_doc_number] => 20140204614 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-07-24 [patent_title] => 'RECTIFIED HIGH FREQUENCY POWER SUPPLY WITH LOW TOTAL HARMONIC DISTORTION (THD)' [patent_app_type] => utility [patent_app_number] => 14/158071 [patent_app_country] => US [patent_app_date] => 2014-01-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 20 [patent_no_of_words] => 11520 [patent_no_of_claims] => 33 [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] => 14158071 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/158071
RECTIFIED HIGH FREQUENCY POWER SUPPLY WITH LOW TOTAL HARMONIC DISTORTION (THD) Jan 16, 2014 Abandoned
Array ( [id] => 10315592 [patent_doc_number] => 20150200595 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-07-16 [patent_title] => 'CONTROL CIRCUITS AND METHODS FOR REGULATING OUTPUT VOLTAGES BASED ON ADJUSTABLE REFERENCES VOLTAGES' [patent_app_type] => utility [patent_app_number] => 14/372939 [patent_app_country] => US [patent_app_date] => 2014-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 5633 [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] => 14372939 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/372939
Control circuits and methods for regulating output voltages based on adjustable references voltages Jan 9, 2014 Issued
Array ( [id] => 9601858 [patent_doc_number] => 20140198540 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-07-17 [patent_title] => 'INTEGRATED SWITCH MODE POWER SUPPLY CONTROLLER AND SWITCH MODE POWER SUPPLY USING THE SAME' [patent_app_type] => utility [patent_app_number] => 14/151061 [patent_app_country] => US [patent_app_date] => 2014-01-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4168 [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] => 14151061 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/151061
Integrated switch mode power supply controller and switch mode power supply using the same Jan 8, 2014 Issued
Array ( [id] => 9447918 [patent_doc_number] => 20140119087 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-05-01 [patent_title] => 'POWER CONVERTER' [patent_app_type] => utility [patent_app_number] => 14/068271 [patent_app_country] => US [patent_app_date] => 2013-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 6129 [patent_no_of_claims] => 9 [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] => 14068271 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/068271
POWER CONVERTER Oct 30, 2013 Abandoned
Array ( [id] => 11234317 [patent_doc_number] => 09461556 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-10-04 [patent_title] => 'Stable regenerative bi-directional cell for bridge power inverters' [patent_app_type] => utility [patent_app_number] => 14/063771 [patent_app_country] => US [patent_app_date] => 2013-10-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 20 [patent_no_of_words] => 10780 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 270 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14063771 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/063771
Stable regenerative bi-directional cell for bridge power inverters Oct 24, 2013 Issued
Array ( [id] => 9434131 [patent_doc_number] => 20140112037 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-04-24 [patent_title] => 'Electronic Power Circuit, Electric Motor, And Procedure For Checking The Operability Of An Electronic Power Circuit' [patent_app_type] => utility [patent_app_number] => 14/060861 [patent_app_country] => US [patent_app_date] => 2013-10-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4237 [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] => 14060861 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/060861
Electronic power circuit, electric motor, and procedure for checking the operability of an electronic power circuit Oct 22, 2013 Issued
Array ( [id] => 9434129 [patent_doc_number] => 20140112035 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-04-24 [patent_title] => 'METHOD AND APPARATUS TO REDUCE OVERCURRENT DURING THE STARTUP OF A SWITCHING REGULATOR' [patent_app_type] => utility [patent_app_number] => 14/059261 [patent_app_country] => US [patent_app_date] => 2013-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4339 [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] => 14059261 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/059261
Method and apparatus to reduce overcurrent during the startup of a switching regulator Oct 20, 2013 Issued
Array ( [id] => 9292927 [patent_doc_number] => 20140036561 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-02-06 [patent_title] => 'CONVERTER AND SEMICONDUCTOR DEVICE' [patent_app_type] => utility [patent_app_number] => 14/051241 [patent_app_country] => US [patent_app_date] => 2013-10-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 27 [patent_figures_cnt] => 27 [patent_no_of_words] => 20615 [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] => 14051241 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/051241
Converter and semiconductor device Oct 9, 2013 Issued
Array ( [id] => 10526138 [patent_doc_number] => 09252663 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-02-02 [patent_title] => 'Method and system for converting a DC voltage' [patent_app_type] => utility [patent_app_number] => 14/039661 [patent_app_country] => US [patent_app_date] => 2013-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 2778 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 167 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14039661 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/039661
Method and system for converting a DC voltage Sep 26, 2013 Issued
Array ( [id] => 10207467 [patent_doc_number] => 20150092455 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-04-02 [patent_title] => 'INTEGRATED MAGNETIC CIRCUIT AND METHOD OF REDUCING MAGNETIC DENSITY BY SHIFTING PHASE' [patent_app_type] => utility [patent_app_number] => 14/023251 [patent_app_country] => US [patent_app_date] => 2013-09-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2828 [patent_no_of_claims] => 8 [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] => 14023251 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/023251
INTEGRATED MAGNETIC CIRCUIT AND METHOD OF REDUCING MAGNETIC DENSITY BY SHIFTING PHASE Sep 9, 2013 Abandoned
Array ( [id] => 9915734 [patent_doc_number] => 20150070939 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-03-12 [patent_title] => 'ELECTRIC POWER CONVERSION SYSTEM AND METHOD OF OPERATING THE SAME' [patent_app_type] => utility [patent_app_number] => 14/020111 [patent_app_country] => US [patent_app_date] => 2013-09-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 7709 [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] => 14020111 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/020111
ELECTRIC POWER CONVERSION SYSTEM AND METHOD OF OPERATING THE SAME Sep 5, 2013 Abandoned
Array ( [id] => 10972250 [patent_doc_number] => 20140375285 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-12-25 [patent_title] => 'DC-DC BOOST CONVERTER' [patent_app_type] => utility [patent_app_number] => 13/968811 [patent_app_country] => US [patent_app_date] => 2013-08-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 3980 [patent_no_of_claims] => 17 [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] => 13968811 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/968811
DC-DC BOOST CONVERTER Aug 15, 2013 Abandoned
Array ( [id] => 9894316 [patent_doc_number] => 20150049515 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-02-19 [patent_title] => 'RESONANT CONVERTER AND METHOD OF OPERATING THE SAME' [patent_app_type] => utility [patent_app_number] => 13/965771 [patent_app_country] => US [patent_app_date] => 2013-08-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3243 [patent_no_of_claims] => 4 [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] => 13965771 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/965771
RESONANT CONVERTER AND METHOD OF OPERATING THE SAME Aug 12, 2013 Abandoned
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