Search

Jeffrey David Asch

Examiner (ID: 5095, Phone: (571)272-2632 , Office: P/2916 )

Most Active Art Unit
2913
Art Unit(s)
2900, 2903, OPQA, 2913, 2916
Total Applications
7336
Issued Applications
7271
Pending Applications
1
Abandoned Applications
64

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19117113 [patent_doc_number] => 20240128863 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-18 [patent_title] => FILTER CAPACITANCE ESTIMATION BY RESONANCE FREQUENCY DETERMINATION [patent_app_type] => utility [patent_app_number] => 18/480066 [patent_app_country] => US [patent_app_date] => 2023-10-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6617 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 38 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18480066 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/480066
Filter capacitance estimation by resonance frequency determination Oct 2, 2023 Issued
Array ( [id] => 20305814 [patent_doc_number] => 12451818 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-21 [patent_title] => Inverter [patent_app_type] => utility [patent_app_number] => 18/374785 [patent_app_country] => US [patent_app_date] => 2023-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 24 [patent_figures_cnt] => 25 [patent_no_of_words] => 14217 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 1047 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18374785 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/374785
Inverter Sep 28, 2023 Issued
Array ( [id] => 18899254 [patent_doc_number] => 20240014739 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-11 [patent_title] => Slew Rate Detection in Power Converter with Digital Current Mode Control [patent_app_type] => utility [patent_app_number] => 18/474677 [patent_app_country] => US [patent_app_date] => 2023-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10589 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 172 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18474677 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/474677
Slew rate detection in power converter with digital current mode control Sep 25, 2023 Issued
Array ( [id] => 20375694 [patent_doc_number] => 12483139 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-25 [patent_title] => Multi-level conversion circuit and control method for flying capacitor voltage thereof [patent_app_type] => utility [patent_app_number] => 18/372559 [patent_app_country] => US [patent_app_date] => 2023-09-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 24 [patent_no_of_words] => 5196 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 408 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18372559 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/372559
Multi-level conversion circuit and control method for flying capacitor voltage thereof Sep 24, 2023 Issued
Array ( [id] => 20583162 [patent_doc_number] => 12575425 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-10 [patent_title] => Low-inductance power module [patent_app_type] => utility [patent_app_number] => 18/857467 [patent_app_country] => US [patent_app_date] => 2023-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 22 [patent_no_of_words] => 0 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18857467 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/857467
Low-inductance power module Sep 19, 2023 Issued
Array ( [id] => 20118666 [patent_doc_number] => 12368388 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-22 [patent_title] => Layout method for power supplies with three-phase integrated transformer and synchronous rectification [patent_app_type] => utility [patent_app_number] => 18/370185 [patent_app_country] => US [patent_app_date] => 2023-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 24 [patent_figures_cnt] => 27 [patent_no_of_words] => 6891 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [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] => 18370185 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/370185
Layout method for power supplies with three-phase integrated transformer and synchronous rectification Sep 18, 2023 Issued
Array ( [id] => 20775090 [patent_doc_number] => 12658776 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-06-16 [patent_title] => Multi-frequency voltage converter [patent_app_type] => utility [patent_app_number] => 18/465709 [patent_app_country] => US [patent_app_date] => 2023-09-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 0 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18465709 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/465709
Multi-frequency voltage converter Sep 11, 2023 Issued
Array ( [id] => 20229589 [patent_doc_number] => 12418248 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-16 [patent_title] => Photovoltaic system, inverter, and control method [patent_app_type] => utility [patent_app_number] => 18/463399 [patent_app_country] => US [patent_app_date] => 2023-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 15 [patent_no_of_words] => 8717 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 262 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18463399 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/463399
Photovoltaic system, inverter, and control method Sep 7, 2023 Issued
Array ( [id] => 20375676 [patent_doc_number] => 12483121 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-25 [patent_title] => Power supply system and power factor correction control circuit and control method thereof [patent_app_type] => utility [patent_app_number] => 18/463244 [patent_app_country] => US [patent_app_date] => 2023-09-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 28 [patent_no_of_words] => 5520 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18463244 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/463244
Power supply system and power factor correction control circuit and control method thereof Sep 6, 2023 Issued
Array ( [id] => 19147123 [patent_doc_number] => 20240146172 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-02 [patent_title] => POWER ADAPTER WITH LIMITED POWER SOURCE FUNCTION AND CONTROL METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 18/243303 [patent_app_country] => US [patent_app_date] => 2023-09-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5233 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 255 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18243303 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/243303
Power adapter with limited power source function and control method thereof Sep 6, 2023 Issued
Array ( [id] => 18866613 [patent_doc_number] => 20230421050 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-28 [patent_title] => ISOLATED GATE DRIVER, TRACTION INVERTER, AND ELECTRIC VEHICLE [patent_app_type] => utility [patent_app_number] => 18/454277 [patent_app_country] => US [patent_app_date] => 2023-08-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 24373 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [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] => 18454277 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/454277
Isolated gate driver, traction inverter, and electric vehicle Aug 22, 2023 Issued
Array ( [id] => 20667816 [patent_doc_number] => 12609601 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-04-21 [patent_title] => Solid-state transformer, power supply device, and data center [patent_app_type] => utility [patent_app_number] => 18/451914 [patent_app_country] => US [patent_app_date] => 2023-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 16 [patent_no_of_words] => 1133 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18451914 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/451914
Solid-state transformer, power supply device, and data center Aug 17, 2023 Issued
Array ( [id] => 19773953 [patent_doc_number] => 20250055379 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-13 [patent_title] => BI-DIRECTIONAL COMMUNICATION SCHEME BETWEEN PRIMARY AND SECONDARY FOR FLY-BACK AC-DC CONVERTERS [patent_app_type] => utility [patent_app_number] => 18/447090 [patent_app_country] => US [patent_app_date] => 2023-08-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9609 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18447090 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/447090
Bi-directional communication scheme between primary and secondary for fly-back AC-DC converters Aug 8, 2023 Issued
Array ( [id] => 18775146 [patent_doc_number] => 20230369979 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-16 [patent_title] => Conversion Circuit, Voltage Conversion Apparatus, and Electric Vehicle [patent_app_type] => utility [patent_app_number] => 18/361016 [patent_app_country] => US [patent_app_date] => 2023-07-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15650 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18361016 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/361016
Conversion circuit, voltage conversion apparatus, and electric vehicle Jul 27, 2023 Issued
Array ( [id] => 20759171 [patent_doc_number] => 12651953 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-06-09 [patent_title] => Versatile adaptive voltage scaling control circuit, related apparatuses, and related methods [patent_app_type] => utility [patent_app_number] => 18/222005 [patent_app_country] => US [patent_app_date] => 2023-07-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 2265 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18222005 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/222005
Versatile adaptive voltage scaling control circuit, related apparatuses, and related methods Jul 13, 2023 Issued
Array ( [id] => 20111932 [patent_doc_number] => 12362672 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-15 [patent_title] => Direct-current-to-direct-current converter with compensation for potential transformer saturation [patent_app_type] => utility [patent_app_number] => 18/350396 [patent_app_country] => US [patent_app_date] => 2023-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 6398 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 446 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18350396 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/350396
Direct-current-to-direct-current converter with compensation for potential transformer saturation Jul 10, 2023 Issued
Array ( [id] => 19023797 [patent_doc_number] => 20240079968 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-07 [patent_title] => Modulation Methods and Controllers for Neutral Point Clamped Converter [patent_app_type] => utility [patent_app_number] => 18/220476 [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] => 5956 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18220476 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/220476
Modulation methods and controllers for neutral point clamped converter Jul 10, 2023 Issued
Array ( [id] => 18744069 [patent_doc_number] => 20230353057 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-02 [patent_title] => CHARGER [patent_app_type] => utility [patent_app_number] => 18/217477 [patent_app_country] => US [patent_app_date] => 2023-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6177 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 187 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18217477 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/217477
CHARGER Jun 29, 2023 Pending
Array ( [id] => 19071928 [patent_doc_number] => 20240106354 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-28 [patent_title] => SYSTEMS AND METHODS FOR POWER MODULE FOR INVERTER FOR ELECTRIC VEHICLE [patent_app_type] => utility [patent_app_number] => 18/344379 [patent_app_country] => US [patent_app_date] => 2023-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15947 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18344379 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/344379
Systems and methods for power module for inverter for electric vehicle Jun 28, 2023 Issued
Array ( [id] => 19688845 [patent_doc_number] => 20250007390 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-02 [patent_title] => POWER STAGE SAFETY AND LATCH-UP PREVENTION IN MULTI-PHASE DC-DC CONVERTER BY ENSURING SAFE PWM SEQUENCING [patent_app_type] => utility [patent_app_number] => 18/343189 [patent_app_country] => US [patent_app_date] => 2023-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5435 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18343189 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/343189
Power stage safety and latch-up prevention in multi-phase DC-DC converter by ensuring safe pwm sequencing Jun 27, 2023 Issued
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