Search

Devon C. Kramer

Supervisory Patent Examiner (ID: 3424, Phone: (571)272-7118 , Office: P/3746 )

Most Active Art Unit
3683
Art Unit(s)
3741, 3683, 3746, 3613
Total Applications
1041
Issued Applications
673
Pending Applications
85
Abandoned Applications
284

Applications

Application numberTitle of the applicationFiling DateStatus
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] => 19713302 [patent_doc_number] => 20250023444 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-16 [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] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7381 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 52 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [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
Array ( [id] => 18744076 [patent_doc_number] => 20230353064 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-02 [patent_title] => SOFT SWITCHED VOLTAGE SOURCE INVERTER [patent_app_type] => utility [patent_app_number] => 18/212215 [patent_app_country] => US [patent_app_date] => 2023-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10139 [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] => 18212215 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/212215
Soft switched voltage source inverter Jun 20, 2023 Issued
Array ( [id] => 19662664 [patent_doc_number] => 20240429729 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-26 [patent_title] => REGULATION HANDOVER OF MULTIPLE LOOPS IN A CONTROL SYSTEM [patent_app_type] => utility [patent_app_number] => 18/338090 [patent_app_country] => US [patent_app_date] => 2023-06-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4636 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [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] => 18338090 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/338090
REGULATION HANDOVER OF MULTIPLE LOOPS IN A CONTROL SYSTEM Jun 19, 2023 Pending
Array ( [id] => 19413202 [patent_doc_number] => 12079018 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-09-03 [patent_title] => Voltage regulator [patent_app_type] => utility [patent_app_number] => 18/332756 [patent_app_country] => US [patent_app_date] => 2023-06-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 4517 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18332756 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/332756
Voltage regulator Jun 11, 2023 Issued
Array ( [id] => 20382398 [patent_doc_number] => 20250364891 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-11-27 [patent_title] => SYSTEM AND METHOD FOR PROVIDING A DIRECT CURRENT POWER TO A TIME DOMAIN DUPLEXING RADIO [patent_app_type] => utility [patent_app_number] => 18/874023 [patent_app_country] => US [patent_app_date] => 2023-06-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8273 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -28 [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] => 18874023 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/874023
System and method for providing a direct current power to a time domain duplexing radio Jun 7, 2023 Issued
Array ( [id] => 20132665 [patent_doc_number] => 12374983 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-29 [patent_title] => Control device for a switching voltage regulator having improved control performance and control method [patent_app_type] => utility [patent_app_number] => 18/330754 [patent_app_country] => US [patent_app_date] => 2023-06-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 14 [patent_no_of_words] => 3436 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18330754 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/330754
Control device for a switching voltage regulator having improved control performance and control method Jun 6, 2023 Issued
Array ( [id] => 18813488 [patent_doc_number] => 20230387825 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-30 [patent_title] => Efficient Switching for Converter Circuit [patent_app_type] => utility [patent_app_number] => 18/325232 [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] => 10005 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 180 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18325232 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/325232
Efficient switching for converter circuit May 29, 2023 Issued
Array ( [id] => 20132680 [patent_doc_number] => 12374998 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-29 [patent_title] => High-voltage control circuit [patent_app_type] => utility [patent_app_number] => 18/203357 [patent_app_country] => US [patent_app_date] => 2023-05-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 11 [patent_no_of_words] => 2229 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18203357 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/203357
High-voltage control circuit May 29, 2023 Issued
Array ( [id] => 18819177 [patent_doc_number] => 20230393517 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-07 [patent_title] => POWER SUPPLY APPARATUS AND IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/324831 [patent_app_country] => US [patent_app_date] => 2023-05-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12503 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 236 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18324831 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/324831
Power supply apparatus and image forming apparatus May 25, 2023 Issued
Array ( [id] => 19355211 [patent_doc_number] => 12055647 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-08-06 [patent_title] => Parallel connected inverters [patent_app_type] => utility [patent_app_number] => 18/317243 [patent_app_country] => US [patent_app_date] => 2023-05-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 10 [patent_no_of_words] => 4740 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 5 [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] => 18317243 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/317243
Parallel connected inverters May 14, 2023 Issued
Array ( [id] => 18797391 [patent_doc_number] => 11831235 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-11-28 [patent_title] => Multi-level power converter with software control of switches and deadtime [patent_app_type] => utility [patent_app_number] => 18/315259 [patent_app_country] => US [patent_app_date] => 2023-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 7211 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18315259 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/315259
Multi-level power converter with software control of switches and deadtime May 9, 2023 Issued
Menu