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] => 19147143 [patent_doc_number] => 20240146192 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-02 [patent_title] => VOLTAGE CONVERTER AND CONTROLLER FOR SAME [patent_app_type] => utility [patent_app_number] => 18/477734 [patent_app_country] => US [patent_app_date] => 2023-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4230 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18477734 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/477734
VOLTAGE CONVERTER AND CONTROLLER FOR SAME Sep 28, 2023 Pending
Array ( [id] => 19864291 [patent_doc_number] => 20250103077 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-27 [patent_title] => Control Circuitry For Parallel-Operating Voltage Regulators [patent_app_type] => utility [patent_app_number] => 18/371537 [patent_app_country] => US [patent_app_date] => 2023-09-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8620 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 234 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18371537 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/371537
Control circuitry for parallel-operating voltage regulators Sep 21, 2023 Issued
Array ( [id] => 19336184 [patent_doc_number] => 20240250614 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-25 [patent_title] => METHOD AND APPARATUS FOR SENSING THE INPUT VOLTAGE OF A POWER CONVERTER [patent_app_type] => utility [patent_app_number] => 18/371332 [patent_app_country] => US [patent_app_date] => 2023-09-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 21689 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18371332 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/371332
Method and apparatus for sensing the input voltage of a power converter Sep 20, 2023 Issued
Array ( [id] => 20435251 [patent_doc_number] => 12506403 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-23 [patent_title] => Electric-power conversion apparatus [patent_app_type] => utility [patent_app_number] => 18/469678 [patent_app_country] => US [patent_app_date] => 2023-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 31 [patent_no_of_words] => 12414 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18469678 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/469678
Electric-power conversion apparatus Sep 18, 2023 Issued
Array ( [id] => 19802272 [patent_doc_number] => 20250068197 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-27 [patent_title] => Power Ground Noise Reduction System Capable of Reducing Noise Voltage Interference [patent_app_type] => utility [patent_app_number] => 18/236388 [patent_app_country] => US [patent_app_date] => 2023-08-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3274 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18236388 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/236388
Power Ground Noise Reduction System Capable of Reducing Noise Voltage Interference Aug 20, 2023 Pending
Array ( [id] => 19442803 [patent_doc_number] => 12093065 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-09-17 [patent_title] => Digital low-dropout voltage regulator [patent_app_type] => utility [patent_app_number] => 18/452423 [patent_app_country] => US [patent_app_date] => 2023-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 9 [patent_no_of_words] => 4638 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 177 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18452423 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/452423
Digital low-dropout voltage regulator Aug 17, 2023 Issued
Array ( [id] => 18906674 [patent_doc_number] => 20240022159 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-18 [patent_title] => SERIES CAPACITOR STEP-DOWN CONVERTER, AND CONTROLLER CIRCUIT AND CONTROL METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 18/350243 [patent_app_country] => US [patent_app_date] => 2023-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3903 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18350243 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/350243
Series capacitor step-down converter, and controller circuit and control method thereof Jul 10, 2023 Issued
Array ( [id] => 18883630 [patent_doc_number] => 20240006999 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-04 [patent_title] => SYSTEMS AND METHODS FOR DRIVING BIPOLAR TRANSISTORS RELATED TO POWER CONVERTERS BY AT LEAST USING THREE SWITCHES [patent_app_type] => utility [patent_app_number] => 18/214433 [patent_app_country] => US [patent_app_date] => 2023-06-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 31726 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18214433 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/214433
SYSTEMS AND METHODS FOR DRIVING BIPOLAR TRANSISTORS RELATED TO POWER CONVERTERS BY AT LEAST USING THREE SWITCHES Jun 25, 2023 Pending
Array ( [id] => 19532557 [patent_doc_number] => 20240356459 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-24 [patent_title] => POWER CONVERSION SYSTEM AND METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 18/337154 [patent_app_country] => US [patent_app_date] => 2023-06-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6413 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 287 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18337154 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/337154
Power conversion system and method thereof Jun 18, 2023 Issued
Array ( [id] => 19619979 [patent_doc_number] => 20240405659 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-05 [patent_title] => COMPENSATION CIRCUIT FOR TRANSIENT RESPONSE IMPROVEMENT [patent_app_type] => utility [patent_app_number] => 18/326584 [patent_app_country] => US [patent_app_date] => 2023-05-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5547 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18326584 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/326584
COMPENSATION CIRCUIT FOR TRANSIENT RESPONSE IMPROVEMENT May 30, 2023 Pending
Array ( [id] => 18927798 [patent_doc_number] => 20240030802 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-25 [patent_title] => POWER CONVERSION SYSTEM AND COMMUNICATION METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 18/325137 [patent_app_country] => US [patent_app_date] => 2023-05-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10380 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [patent_words_short_claim] => 206 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18325137 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/325137
Power conversion system and communication method thereof May 29, 2023 Issued
Array ( [id] => 19619978 [patent_doc_number] => 20240405658 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-05 [patent_title] => POWER SUPPLY DEVICE AND OPERATION METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 18/325080 [patent_app_country] => US [patent_app_date] => 2023-05-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3662 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18325080 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/325080
POWER SUPPLY DEVICE AND OPERATION METHOD THEREOF May 28, 2023 Pending
Array ( [id] => 19590649 [patent_doc_number] => 20240388206 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-21 [patent_title] => Multiple-Output Power Converter Circuit with Shared Capacitor [patent_app_type] => utility [patent_app_number] => 18/320978 [patent_app_country] => US [patent_app_date] => 2023-05-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9251 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18320978 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/320978
Multiple-Output Power Converter Circuit with Shared Capacitor May 19, 2023 Pending
Array ( [id] => 18896953 [patent_doc_number] => 20240012438 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-11 [patent_title] => ELECTRONIC SYSTEM USING A POWER REGULATOR WITH REDUCED INRUSH CURRENT [patent_app_type] => utility [patent_app_number] => 18/320442 [patent_app_country] => US [patent_app_date] => 2023-05-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2452 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18320442 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/320442
ELECTRONIC SYSTEM USING A POWER REGULATOR WITH REDUCED INRUSH CURRENT May 18, 2023 Pending
Array ( [id] => 18631692 [patent_doc_number] => 20230290597 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-14 [patent_title] => ZERO CROSSING CONTACTOR AND METHOD OF OPERATING [patent_app_type] => utility [patent_app_number] => 18/318177 [patent_app_country] => US [patent_app_date] => 2023-05-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6749 [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] => 18318177 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/318177
Zero crossing contactor and method of operating May 15, 2023 Issued
Array ( [id] => 20109827 [patent_doc_number] => 12360545 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-15 [patent_title] => Regulator circuit [patent_app_type] => utility [patent_app_number] => 18/316503 [patent_app_country] => US [patent_app_date] => 2023-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 9 [patent_no_of_words] => 1716 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 208 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18316503 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/316503
Regulator circuit May 11, 2023 Issued
Array ( [id] => 18810478 [patent_doc_number] => 20230384813 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-30 [patent_title] => LOW-DROPOUT REGULATOR CIRCUIT AND CONTROL METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 18/315506 [patent_app_country] => US [patent_app_date] => 2023-05-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4783 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18315506 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/315506
Low-dropout regulator circuit and control method thereof May 10, 2023 Issued
Array ( [id] => 18571242 [patent_doc_number] => 20230261579 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-17 [patent_title] => DC-DC CONVERTER THAT CONVERTS DIRECT CURRENT INTO ANOTHER DIRECT CURRENT [patent_app_type] => utility [patent_app_number] => 18/140999 [patent_app_country] => US [patent_app_date] => 2023-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5178 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 256 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18140999 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/140999
DC-DC converter that converts direct current into another direct current Apr 27, 2023 Issued
Array ( [id] => 19547166 [patent_doc_number] => 20240364202 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-31 [patent_title] => INNER-LOOP CONTROL FOR MULTI-LEVEL CONVERTER [patent_app_type] => utility [patent_app_number] => 18/308902 [patent_app_country] => US [patent_app_date] => 2023-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3317 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18308902 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/308902
INNER-LOOP CONTROL FOR MULTI-LEVEL CONVERTER Apr 27, 2023 Pending
Array ( [id] => 20387894 [patent_doc_number] => 12487620 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-02 [patent_title] => Current balancing in parallel configuration of multiple power devices [patent_app_type] => utility [patent_app_number] => 18/139786 [patent_app_country] => US [patent_app_date] => 2023-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 11 [patent_no_of_words] => 2023 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 221 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18139786 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/139786
Current balancing in parallel configuration of multiple power devices Apr 25, 2023 Issued
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