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] => 16905645 [patent_doc_number] => 20210184561 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-17 [patent_title] => Switch Mode Regulator With Slew Rate Control [patent_app_type] => utility [patent_app_number] => 17/114793 [patent_app_country] => US [patent_app_date] => 2020-12-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2620 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -26 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17114793 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/114793
Switch mode regulator with slew rate control Dec 7, 2020 Issued
Array ( [id] => 16905670 [patent_doc_number] => 20210184586 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-17 [patent_title] => POWER CONVERSION CIRCUIT AND POWER CONVERSION APPARATUS WITH SAME [patent_app_type] => utility [patent_app_number] => 17/115605 [patent_app_country] => US [patent_app_date] => 2020-12-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11300 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 457 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17115605 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/115605
Power conversion circuit and power conversion apparatus with same Dec 7, 2020 Issued
Array ( [id] => 18040963 [patent_doc_number] => 20220385180 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-01 [patent_title] => Control Arrangement [patent_app_type] => utility [patent_app_number] => 17/775921 [patent_app_country] => US [patent_app_date] => 2020-11-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2754 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 17775921 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/775921
Control arrangement Nov 9, 2020 Issued
Array ( [id] => 17824183 [patent_doc_number] => 11429131 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-08-30 [patent_title] => Constant current circuit and semiconductor apparatus [patent_app_type] => utility [patent_app_number] => 17/092338 [patent_app_country] => US [patent_app_date] => 2020-11-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 3769 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 481 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17092338 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/092338
Constant current circuit and semiconductor apparatus Nov 8, 2020 Issued
Array ( [id] => 18131755 [patent_doc_number] => 11557973 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-01-17 [patent_title] => Single-stage DC-DC power converter [patent_app_type] => utility [patent_app_number] => 17/087844 [patent_app_country] => US [patent_app_date] => 2020-11-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2070 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [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] => 17087844 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/087844
Single-stage DC-DC power converter Nov 2, 2020 Issued
Array ( [id] => 18068738 [patent_doc_number] => 20220399826 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-15 [patent_title] => AC-DC CONVERTER CIRCUIT [patent_app_type] => utility [patent_app_number] => 17/755142 [patent_app_country] => US [patent_app_date] => 2020-10-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10819 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [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] => 17755142 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/755142
AC-DC converter circuit Oct 21, 2020 Issued
Array ( [id] => 17717165 [patent_doc_number] => 11381168 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-07-05 [patent_title] => Switching power supply device [patent_app_type] => utility [patent_app_number] => 17/071041 [patent_app_country] => US [patent_app_date] => 2020-10-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 5854 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 287 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17071041 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/071041
Switching power supply device Oct 14, 2020 Issued
Array ( [id] => 18775123 [patent_doc_number] => 20230369956 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-16 [patent_title] => Power Conversion Device [patent_app_type] => utility [patent_app_number] => 18/246171 [patent_app_country] => US [patent_app_date] => 2020-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13162 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18246171 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/246171
Power Conversion Device Sep 28, 2020 Pending
Array ( [id] => 18653850 [patent_doc_number] => 20230299692 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-21 [patent_title] => POWER CONVERTER [patent_app_type] => utility [patent_app_number] => 18/020432 [patent_app_country] => US [patent_app_date] => 2020-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19192 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 426 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18020432 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/020432
POWER CONVERTER Sep 27, 2020 Abandoned
Array ( [id] => 17507114 [patent_doc_number] => 20220100217 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-31 [patent_title] => Voltage Regulator Circuit [patent_app_type] => utility [patent_app_number] => 17/033494 [patent_app_country] => US [patent_app_date] => 2020-09-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6975 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17033494 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/033494
Voltage regulator circuit Sep 24, 2020 Issued
Array ( [id] => 16579396 [patent_doc_number] => 20210013797 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-01-14 [patent_title] => INTEGRATED CIRCUIT AND POWER SUPPLY CIRCUIT [patent_app_type] => utility [patent_app_number] => 17/033010 [patent_app_country] => US [patent_app_date] => 2020-09-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5936 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 212 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17033010 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/033010
Integrated circuit and power supply circuit Sep 24, 2020 Issued
Array ( [id] => 18730057 [patent_doc_number] => 20230344355 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-26 [patent_title] => POWER SWITCHING APPARATUS AND POWER SUPPLIES [patent_app_type] => utility [patent_app_number] => 17/779145 [patent_app_country] => US [patent_app_date] => 2020-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13483 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 184 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17779145 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/779145
Power switching apparatus and power supplies Sep 23, 2020 Issued
Array ( [id] => 17484118 [patent_doc_number] => 20220091622 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-24 [patent_title] => Low Dropout Regulator with Feedforward Power Supply Noise Rejection Circuit [patent_app_type] => utility [patent_app_number] => 17/029991 [patent_app_country] => US [patent_app_date] => 2020-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5255 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17029991 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/029991
Low dropout regulator with feedforward power supply noise rejection circuit Sep 22, 2020 Issued
Array ( [id] => 17247761 [patent_doc_number] => 20210367506 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-11-25 [patent_title] => CONVERSION APPARATUS WITH OVERLOAD CONTROL AND OVERLOAD CONTROL METHOD FOR THE SAME [patent_app_type] => utility [patent_app_number] => 17/027125 [patent_app_country] => US [patent_app_date] => 2020-09-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4421 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17027125 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/027125
Conversion apparatus with overload control and overload control method for the same Sep 20, 2020 Issued
Array ( [id] => 17263751 [patent_doc_number] => 20210376736 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-02 [patent_title] => FORWARD CONVERTER WITH SECONDARY LCD CONNECTED IN SERIES TO REALIZE EXCITATION ENERGY TRANSFER [patent_app_type] => utility [patent_app_number] => 17/022102 [patent_app_country] => US [patent_app_date] => 2020-09-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4392 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 412 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17022102 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/022102
Forward converter with secondary LCD connected in series to realize excitation energy transfer Sep 15, 2020 Issued
Array ( [id] => 17263752 [patent_doc_number] => 20210376737 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-02 [patent_title] => FORWARD CONVERTER WITH SECONDARY LCD CONNECTED IN PARALLEL TO REALIZE FORWARD AND BACKWARD ENERGY TRANSMISSION [patent_app_type] => utility [patent_app_number] => 17/022114 [patent_app_country] => US [patent_app_date] => 2020-09-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4324 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 420 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17022114 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/022114
Forward converter with secondary LCD connected in parallel to realize forward and backward energy transmission Sep 15, 2020 Issued
Array ( [id] => 16796735 [patent_doc_number] => 20210126552 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-29 [patent_title] => ELECTRONIC CIRCUIT AND ELECTRONIC APPARATUS [patent_app_type] => utility [patent_app_number] => 17/017127 [patent_app_country] => US [patent_app_date] => 2020-09-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4199 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17017127 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/017127
Electronic circuit and electronic apparatus to output ringing voltage Sep 9, 2020 Issued
Array ( [id] => 18219997 [patent_doc_number] => 11594954 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-02-28 [patent_title] => Soft start method for a single inductor multiple output power supply [patent_app_type] => utility [patent_app_number] => 17/009848 [patent_app_country] => US [patent_app_date] => 2020-09-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 18 [patent_no_of_words] => 5740 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17009848 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/009848
Soft start method for a single inductor multiple output power supply Sep 1, 2020 Issued
Array ( [id] => 16516597 [patent_doc_number] => 20200395855 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-17 [patent_title] => REDUCED VOLTAGE SWITCHING OF A MAIN SWITCH IN FLYBACK POWER CONVERTERS [patent_app_type] => utility [patent_app_number] => 16/947995 [patent_app_country] => US [patent_app_date] => 2020-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8873 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16947995 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/947995
REDUCED VOLTAGE SWITCHING OF A MAIN SWITCH IN FLYBACK POWER CONVERTERS Aug 26, 2020 Abandoned
Array ( [id] => 17623777 [patent_doc_number] => 11342846 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-05-24 [patent_title] => Digital control for voltage converter [patent_app_type] => utility [patent_app_number] => 16/992662 [patent_app_country] => US [patent_app_date] => 2020-08-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 14 [patent_no_of_words] => 9402 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 184 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16992662 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/992662
Digital control for voltage converter Aug 12, 2020 Issued
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