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] => 20289828 [patent_doc_number] => 20250315071 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-09 [patent_title] => Voltage Reference Apparatus and Control Method [patent_app_type] => utility [patent_app_number] => 18/630903 [patent_app_country] => US [patent_app_date] => 2024-04-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1002 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18630903 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/630903
Voltage Reference Apparatus and Control Method Apr 8, 2024 Pending
Array ( [id] => 20648617 [patent_doc_number] => 12603573 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-04-14 [patent_title] => Switch bootstrapping for multi-level inductive power converter [patent_app_type] => utility [patent_app_number] => 18/628007 [patent_app_country] => US [patent_app_date] => 2024-04-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 0 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [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] => 18628007 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/628007
Switch bootstrapping for multi-level inductive power converter Apr 4, 2024 Issued
Array ( [id] => 20153916 [patent_doc_number] => 20250253754 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-07 [patent_title] => DETECTOR CIRCUIT HAVING CURRENT CONVERSION MECHANISM FOR POWER CONVERTER [patent_app_type] => utility [patent_app_number] => 18/626437 [patent_app_country] => US [patent_app_date] => 2024-04-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1109 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 307 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18626437 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/626437
Detector circuit having current conversion mechanism for power converter Apr 3, 2024 Issued
Array ( [id] => 19485114 [patent_doc_number] => 20240333156 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-03 [patent_title] => MULTI-LEVEL CONVERTER [patent_app_type] => utility [patent_app_number] => 18/617966 [patent_app_country] => US [patent_app_date] => 2024-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7473 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18617966 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/617966
MULTI-LEVEL CONVERTER Mar 26, 2024 Pending
Array ( [id] => 20284530 [patent_doc_number] => 20250309772 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-02 [patent_title] => SWITCHED-IN VOLTAGE DOUBLER UTILIZING PARALLEL/SERIES RECTIFIER OUTPUT [patent_app_type] => utility [patent_app_number] => 18/618373 [patent_app_country] => US [patent_app_date] => 2024-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7706 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18618373 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/618373
Switched-in voltage doubler utilizing parallel/series rectifier output Mar 26, 2024 Issued
Array ( [id] => 20251704 [patent_doc_number] => 20250300573 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-25 [patent_title] => ACTIVE NEUTRAL CONTROL CIRCUIT, INVERTER SYSTEM, AND METHOD [patent_app_type] => utility [patent_app_number] => 18/613938 [patent_app_country] => US [patent_app_date] => 2024-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11265 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 18613938 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/613938
Active neutral control circuit, inverter system, and method Mar 21, 2024 Issued
Array ( [id] => 20011774 [patent_doc_number] => 20250149996 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-08 [patent_title] => THREE-LEVEL POWER FACTOR RECTIFIER AND METHOD OF OPERATING THE SAME [patent_app_type] => utility [patent_app_number] => 18/612091 [patent_app_country] => US [patent_app_date] => 2024-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2406 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 233 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18612091 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/612091
Three-level power factor rectifier and method of operating the same Mar 20, 2024 Issued
Array ( [id] => 19485128 [patent_doc_number] => 20240333170 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-03 [patent_title] => POWER CONVERSION CIRCUIT AND POWER SUPPLY DEVICE [patent_app_type] => utility [patent_app_number] => 18/611722 [patent_app_country] => US [patent_app_date] => 2024-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5248 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18611722 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/611722
POWER CONVERSION CIRCUIT AND POWER SUPPLY DEVICE Mar 20, 2024 Pending
Array ( [id] => 19306615 [patent_doc_number] => 20240235195 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-11 [patent_title] => POWER-ELECTRONIC DEVICE COMPRISING A TRANSFORMER UNIT AND METHOD [patent_app_type] => utility [patent_app_number] => 18/612637 [patent_app_country] => US [patent_app_date] => 2024-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9066 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [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] => 18612637 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/612637
Power-electronic device comprising a transformer unit and method Mar 20, 2024 Issued
Array ( [id] => 19872553 [patent_doc_number] => 12265413 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-01 [patent_title] => System and method for regulating power output of multiple solar substrings [patent_app_type] => utility [patent_app_number] => 18/610983 [patent_app_country] => US [patent_app_date] => 2024-03-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 9118 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18610983 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/610983
System and method for regulating power output of multiple solar substrings Mar 19, 2024 Issued
Array ( [id] => 19286623 [patent_doc_number] => 20240223103 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-04 [patent_title] => Efficient Switching for Converter Circuit [patent_app_type] => utility [patent_app_number] => 18/602273 [patent_app_country] => US [patent_app_date] => 2024-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10024 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18602273 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/602273
Efficient switching for converter circuit Mar 11, 2024 Issued
Array ( [id] => 19270179 [patent_doc_number] => 20240213885 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-27 [patent_title] => AC-DC CONVERSION DEVICE AND VOLTAGE CONVERTER CIRCUIT [patent_app_type] => utility [patent_app_number] => 18/598821 [patent_app_country] => US [patent_app_date] => 2024-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9105 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18598821 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/598821
AC-DC CONVERSION DEVICE AND VOLTAGE CONVERTER CIRCUIT Mar 6, 2024 Issued
Array ( [id] => 20718574 [patent_doc_number] => 12633837 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-05-19 [patent_title] => Power converter and magnetic element [patent_app_type] => utility [patent_app_number] => 18/594056 [patent_app_country] => US [patent_app_date] => 2024-03-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 2051 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18594056 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/594056
Power converter and magnetic element Mar 3, 2024 Issued
Array ( [id] => 20530668 [patent_doc_number] => 12549111 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-10 [patent_title] => Discharge device and electric compressor [patent_app_type] => utility [patent_app_number] => 18/594094 [patent_app_country] => US [patent_app_date] => 2024-03-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 0 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18594094 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/594094
Discharge device and electric compressor Mar 3, 2024 Issued
Array ( [id] => 19436720 [patent_doc_number] => 20240305218 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-12 [patent_title] => INVERTER AND INVERTER CONTROL METHOD [patent_app_type] => utility [patent_app_number] => 18/592609 [patent_app_country] => US [patent_app_date] => 2024-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13020 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18592609 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/592609
Inverter and inverter control method Feb 29, 2024 Issued
Array ( [id] => 20229537 [patent_doc_number] => 12418195 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-16 [patent_title] => Modular lighting panel [patent_app_type] => utility [patent_app_number] => 18/591174 [patent_app_country] => US [patent_app_date] => 2024-02-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 9557 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18591174 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/591174
Modular lighting panel Feb 28, 2024 Issued
Array ( [id] => 19253654 [patent_doc_number] => 20240204651 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-20 [patent_title] => NOISE REDUCTION CIRCUITRY, LOAD SYSTEM AND POWER CONVERSION DEVICE [patent_app_type] => utility [patent_app_number] => 18/590494 [patent_app_country] => US [patent_app_date] => 2024-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19815 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [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] => 18590494 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/590494
Noise reduction circuitry, load system and power conversion device Feb 27, 2024 Issued
Array ( [id] => 20581709 [patent_doc_number] => 12573967 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-10 [patent_title] => Power conversion device [patent_app_type] => utility [patent_app_number] => 18/588578 [patent_app_country] => US [patent_app_date] => 2024-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 26 [patent_figures_cnt] => 26 [patent_no_of_words] => 25820 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 224 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18588578 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/588578
Power conversion device Feb 26, 2024 Issued
Array ( [id] => 19253665 [patent_doc_number] => 20240204662 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-20 [patent_title] => HYBRID POWER CONVERTER WITH TWO-PHASE CONTROL OF FLYING CAPACITOR BALANCING [patent_app_type] => utility [patent_app_number] => 18/588723 [patent_app_country] => US [patent_app_date] => 2024-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6568 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [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] => 18588723 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/588723
Hybrid power converter with two-phase control of flying capacitor balancing Feb 26, 2024 Issued
Array ( [id] => 20139951 [patent_doc_number] => 20250246995 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-31 [patent_title] => SWITCHING CONVERTER DEADTIME CONTROL [patent_app_type] => utility [patent_app_number] => 18/427937 [patent_app_country] => US [patent_app_date] => 2024-01-31 [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] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18427937 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/427937
SWITCHING CONVERTER DEADTIME CONTROL Jan 30, 2024 Pending
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