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] => 19558253 [patent_doc_number] => 20240370045 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-07 [patent_title] => DIGITAL LOW-DROPOUT VOLTAGE REGULATOR [patent_app_type] => utility [patent_app_number] => 18/777620 [patent_app_country] => US [patent_app_date] => 2024-07-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4663 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 177 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18777620 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/777620
DIGITAL LOW-DROPOUT VOLTAGE REGULATOR Jul 18, 2024 Pending
Array ( [id] => 19532554 [patent_doc_number] => 20240356456 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-24 [patent_title] => AC-DC CONVERTER CIRCUIT [patent_app_type] => utility [patent_app_number] => 18/761211 [patent_app_country] => US [patent_app_date] => 2024-07-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10886 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 229 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18761211 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/761211
AC-DC CONVERTER CIRCUIT Jun 30, 2024 Pending
Array ( [id] => 20448878 [patent_doc_number] => 20260005604 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-01-01 [patent_title] => SWITCHING CONVERTER WITH PRE-CHARGE CIRCUIT [patent_app_type] => utility [patent_app_number] => 18/756602 [patent_app_country] => US [patent_app_date] => 2024-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18756602 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/756602
SWITCHING CONVERTER WITH PRE-CHARGE CIRCUIT Jun 26, 2024 Pending
Array ( [id] => 19646387 [patent_doc_number] => 20240420907 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-19 [patent_title] => ZERO CROSSING CONTACTOR AND METHOD OF OPERATING [patent_app_type] => utility [patent_app_number] => 18/749802 [patent_app_country] => US [patent_app_date] => 2024-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6771 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18749802 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/749802
Zero crossing contactor and method of operating Jun 20, 2024 Issued
Array ( [id] => 19647169 [patent_doc_number] => 20240421689 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-19 [patent_title] => AC-TO-DC POWER CONVERSION WITH GROUND REFERENCE TO COMMON NODE OF SOLID-STATE AC SWITCH [patent_app_type] => utility [patent_app_number] => 18/744077 [patent_app_country] => US [patent_app_date] => 2024-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20234 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18744077 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/744077
AC-TO-DC POWER CONVERSION WITH GROUND REFERENCE TO COMMON NODE OF SOLID-STATE AC SWITCH Jun 13, 2024 Pending
Array ( [id] => 19688872 [patent_doc_number] => 20250007417 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-02 [patent_title] => PARALLEL-CONNECTED POWER CONVERTERS USING PUSH-PULL FEEDBACK NETWORKS [patent_app_type] => utility [patent_app_number] => 18/736298 [patent_app_country] => US [patent_app_date] => 2024-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5342 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18736298 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/736298
PARALLEL-CONNECTED POWER CONVERTERS USING PUSH-PULL FEEDBACK NETWORKS Jun 5, 2024 Pending
Array ( [id] => 19560680 [patent_doc_number] => 20240372472 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-07 [patent_title] => CLOCK GENERATION FOR MULTI-PHASE CONVERTERS [patent_app_type] => utility [patent_app_number] => 18/671453 [patent_app_country] => US [patent_app_date] => 2024-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7948 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18671453 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/671453
Clock generation for multi-phase converters May 21, 2024 Issued
Array ( [id] => 19858665 [patent_doc_number] => 12261525 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-03-25 [patent_title] => Power supply device, power supply system and method for controlling the same [patent_app_type] => utility [patent_app_number] => 18/645752 [patent_app_country] => US [patent_app_date] => 2024-04-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 4301 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18645752 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/645752
Power supply device, power supply system and method for controlling the same Apr 24, 2024 Issued
Array ( [id] => 19812809 [patent_doc_number] => 12244224 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-03-04 [patent_title] => Nonlinear, discrete time control of power factor correction power converter [patent_app_type] => utility [patent_app_number] => 18/645718 [patent_app_country] => US [patent_app_date] => 2024-04-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 11336 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18645718 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/645718
Nonlinear, discrete time control of power factor correction power converter Apr 24, 2024 Issued
Array ( [id] => 19789012 [patent_doc_number] => 20250062691 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-20 [patent_title] => THREE DIMENSIONAL SWITCHING VOLTAGE REGULATOR [patent_app_type] => utility [patent_app_number] => 18/635635 [patent_app_country] => US [patent_app_date] => 2024-04-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8225 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18635635 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/635635
THREE DIMENSIONAL SWITCHING VOLTAGE REGULATOR Apr 14, 2024 Pending
Array ( [id] => 19436700 [patent_doc_number] => 20240305198 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-12 [patent_title] => CONVERTER OUTPUT STAGE WITH BIAS VOLTAGE GENERATOR [patent_app_type] => utility [patent_app_number] => 18/617497 [patent_app_country] => US [patent_app_date] => 2024-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4559 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 183 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18617497 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/617497
Converter output stage with bias voltage generator Mar 25, 2024 Issued
Array ( [id] => 19732372 [patent_doc_number] => 12210368 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-28 [patent_title] => Bias generating devices and methods for generating bias [patent_app_type] => utility [patent_app_number] => 18/599233 [patent_app_country] => US [patent_app_date] => 2024-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 24 [patent_no_of_words] => 15378 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18599233 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/599233
Bias generating devices and methods for generating bias Mar 7, 2024 Issued
Array ( [id] => 20036865 [patent_doc_number] => 20250175087 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-29 [patent_title] => RESONANT CONVERTER CAPABLE OF ADAPTIVELY TUNING QUALITY FACTOR BASED ON LOAD [patent_app_type] => utility [patent_app_number] => 18/584197 [patent_app_country] => US [patent_app_date] => 2024-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18584197 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/584197
RESONANT CONVERTER CAPABLE OF ADAPTIVELY TUNING QUALITY FACTOR BASED ON LOAD Feb 21, 2024 Pending
Array ( [id] => 19407872 [patent_doc_number] => 20240291383 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-29 [patent_title] => CHARGER [patent_app_type] => utility [patent_app_number] => 18/581834 [patent_app_country] => US [patent_app_date] => 2024-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8162 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 435 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18581834 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/581834
CHARGER Feb 19, 2024 Pending
Array ( [id] => 19436714 [patent_doc_number] => 20240305212 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-12 [patent_title] => SUBMODULE AND ASSOCIATED MODULE, TOWER, POWER CONVERTER, AND POWER SYSTEM [patent_app_type] => utility [patent_app_number] => 18/433011 [patent_app_country] => US [patent_app_date] => 2024-02-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6815 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18433011 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/433011
SUBMODULE AND ASSOCIATED MODULE, TOWER, POWER CONVERTER, AND POWER SYSTEM Feb 4, 2024 Pending
Array ( [id] => 20103571 [patent_doc_number] => 20250233507 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-17 [patent_title] => POWER CONVERTER AND METHOD OF OPERATING [patent_app_type] => utility [patent_app_number] => 18/415152 [patent_app_country] => US [patent_app_date] => 2024-01-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7818 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 204 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18415152 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/415152
POWER CONVERTER AND METHOD OF OPERATING Jan 16, 2024 Pending
Array ( [id] => 19176843 [patent_doc_number] => 20240162817 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-16 [patent_title] => SIGNAL GENERATION CIRCUIT, SWITCHING DEVICE, AND SWITCHING POWER SUPPLY DEVICE [patent_app_type] => utility [patent_app_number] => 18/392460 [patent_app_country] => US [patent_app_date] => 2023-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11173 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18392460 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/392460
SIGNAL GENERATION CIRCUIT, SWITCHING DEVICE, AND SWITCHING POWER SUPPLY DEVICE Dec 20, 2023 Pending
Array ( [id] => 19146137 [patent_doc_number] => 20240145164 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-02 [patent_title] => VOLTAGE BOOSTER ISOLATION TRANSFORMER SYSTEM AND METHOD OF OPERATING THE SAME [patent_app_type] => utility [patent_app_number] => 18/543963 [patent_app_country] => US [patent_app_date] => 2023-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4710 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18543963 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/543963
Voltage booster isolation transformer system and method of operating the same Dec 17, 2023 Issued
Array ( [id] => 20011748 [patent_doc_number] => 20250149970 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-08 [patent_title] => CONFIGURABLE CONTROL FOR TWO-LEVEL AND THREE-LEVEL BUCK CONVERTERS [patent_app_type] => utility [patent_app_number] => 18/500602 [patent_app_country] => US [patent_app_date] => 2023-11-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18500602 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/500602
CONFIGURABLE CONTROL FOR TWO-LEVEL AND THREE-LEVEL BUCK CONVERTERS Nov 1, 2023 Pending
Array ( [id] => 18959732 [patent_doc_number] => 20240048059 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-08 [patent_title] => Resonant converter with synchronous average harmonic current control [patent_app_type] => utility [patent_app_number] => 18/481287 [patent_app_country] => US [patent_app_date] => 2023-10-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7053 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18481287 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/481287
Resonant converter with synchronous average harmonic current control Oct 4, 2023 Pending
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