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] => 18220023 [patent_doc_number] => 11594980 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-02-28 [patent_title] => Three-phase series voltage and current regulator/rectifier [patent_app_type] => utility [patent_app_number] => 17/518808 [patent_app_country] => US [patent_app_date] => 2021-11-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 25 [patent_figures_cnt] => 28 [patent_no_of_words] => 8233 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17518808 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/518808
Three-phase series voltage and current regulator/rectifier Nov 3, 2021 Issued
Array ( [id] => 18744053 [patent_doc_number] => 20230353041 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-02 [patent_title] => SHORT CIRCUIT REGULATING DEVICE AND MODULAR MULTI-LEVEL CONVERTER COMPRISING SAME [patent_app_type] => utility [patent_app_number] => 18/035474 [patent_app_country] => US [patent_app_date] => 2021-11-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 21350 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18035474 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/035474
Short circuit regulating device and modular multi-level converter comprising same Nov 2, 2021 Issued
Array ( [id] => 17661521 [patent_doc_number] => 20220181986 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-09 [patent_title] => TRANSFORMER AND BIDIRECTIONAL ISOLATED RESONANT CONVERTER [patent_app_type] => utility [patent_app_number] => 17/453179 [patent_app_country] => US [patent_app_date] => 2021-11-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5826 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 199 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17453179 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/453179
Transformer and bidirectional isolated resonant converter Oct 31, 2021 Issued
Array ( [id] => 19918942 [patent_doc_number] => 12294328 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-06 [patent_title] => Power conversion device [patent_app_type] => utility [patent_app_number] => 18/013942 [patent_app_country] => US [patent_app_date] => 2021-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 19 [patent_no_of_words] => 3269 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18013942 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/013942
Power conversion device Oct 28, 2021 Issued
Array ( [id] => 18346428 [patent_doc_number] => 20230134538 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-04 [patent_title] => Power Converter Apparatus and A Method of Modulating Thereof [patent_app_type] => utility [patent_app_number] => 17/513148 [patent_app_country] => US [patent_app_date] => 2021-10-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5871 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 17513148 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/513148
Power converter apparatus and a method of modulating thereof Oct 27, 2021 Issued
Array ( [id] => 19306792 [patent_doc_number] => 20240235372 [patent_country] => US [patent_kind] => A9 [patent_issue_date] => 2024-07-11 [patent_title] => Harmonic Suppression Apparatus, Method, Control Unit, Electrical Appliance, and Storage Medium [patent_app_type] => utility [patent_app_number] => 18/269378 [patent_app_country] => US [patent_app_date] => 2021-10-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6735 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 174 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18269378 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/269378
Harmonic suppression apparatus, method, control unit, electrical appliance, and storage medium Oct 21, 2021 Issued
Array ( [id] => 18372234 [patent_doc_number] => 11652419 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-05-16 [patent_title] => Systems and methods for voltage compensation based on load conditions in power converters [patent_app_type] => utility [patent_app_number] => 17/508044 [patent_app_country] => US [patent_app_date] => 2021-10-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 15297 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 4 [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] => 17508044 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/508044
Systems and methods for voltage compensation based on load conditions in power converters Oct 21, 2021 Issued
Array ( [id] => 17403525 [patent_doc_number] => 20220045616 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-10 [patent_title] => SYSTEMS AND METHODS FOR VOLTAGE COMPENSATION BASED ON LOAD CONDITIONS IN POWER CONVERTERS [patent_app_type] => utility [patent_app_number] => 17/508051 [patent_app_country] => US [patent_app_date] => 2021-10-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15132 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [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] => 17508051 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/508051
Systems and methods for voltage compensation based on load conditions in power converters Oct 21, 2021 Issued
Array ( [id] => 19306792 [patent_doc_number] => 20240235372 [patent_country] => US [patent_kind] => A9 [patent_issue_date] => 2024-07-11 [patent_title] => Harmonic Suppression Apparatus, Method, Control Unit, Electrical Appliance, and Storage Medium [patent_app_type] => utility [patent_app_number] => 18/269378 [patent_app_country] => US [patent_app_date] => 2021-10-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6735 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 174 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18269378 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/269378
Harmonic suppression apparatus, method, control unit, electrical appliance, and storage medium Oct 21, 2021 Issued
Array ( [id] => 20733389 [patent_doc_number] => 12640651 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-05-26 [patent_title] => Bidirectional DC-DC converter [patent_app_type] => utility [patent_app_number] => 18/699679 [patent_app_country] => US [patent_app_date] => 2021-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 36 [patent_figures_cnt] => 36 [patent_no_of_words] => 8564 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 205 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18699679 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/699679
Bidirectional DC-DC converter Oct 20, 2021 Issued
Array ( [id] => 18219996 [patent_doc_number] => 11594953 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-02-28 [patent_title] => System and method for operating multi-level power converter using a multi-state deadtime [patent_app_type] => utility [patent_app_number] => 17/506790 [patent_app_country] => US [patent_app_date] => 2021-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 6827 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 180 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17506790 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/506790
System and method for operating multi-level power converter using a multi-state deadtime Oct 20, 2021 Issued
Array ( [id] => 18332161 [patent_doc_number] => 11637420 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-04-25 [patent_title] => Overcurrent protection circuit [patent_app_type] => utility [patent_app_number] => 17/503907 [patent_app_country] => US [patent_app_date] => 2021-10-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 28 [patent_figures_cnt] => 28 [patent_no_of_words] => 18647 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17503907 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/503907
Overcurrent protection circuit Oct 17, 2021 Issued
Array ( [id] => 18913445 [patent_doc_number] => 11876439 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-16 [patent_title] => Mitigation of battery output voltage ripple under pulse load [patent_app_type] => utility [patent_app_number] => 17/450910 [patent_app_country] => US [patent_app_date] => 2021-10-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 4275 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17450910 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/450910
Mitigation of battery output voltage ripple under pulse load Oct 13, 2021 Issued
Array ( [id] => 18336681 [patent_doc_number] => 20230128630 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-27 [patent_title] => UNFOLDER-BASED SINGLE-STAGE AC-AC CONVERSION SYSTEM [patent_app_type] => utility [patent_app_number] => 17/499735 [patent_app_country] => US [patent_app_date] => 2021-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9840 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 264 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17499735 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/499735
Unfolder-based single-stage AC-AC conversion system Oct 11, 2021 Issued
Array ( [id] => 18968043 [patent_doc_number] => 11901832 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-02-13 [patent_title] => Device for compensating for voltage or current [patent_app_type] => utility [patent_app_number] => 17/450361 [patent_app_country] => US [patent_app_date] => 2021-10-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 98 [patent_figures_cnt] => 98 [patent_no_of_words] => 89535 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 215 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17450361 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/450361
Device for compensating for voltage or current Oct 7, 2021 Issued
Array ( [id] => 19590664 [patent_doc_number] => 20240388221 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-21 [patent_title] => Power Conversion Device and Control Device [patent_app_type] => utility [patent_app_number] => 18/694054 [patent_app_country] => US [patent_app_date] => 2021-10-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6418 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 18694054 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/694054
Power conversion device and control device Oct 6, 2021 Issued
Array ( [id] => 18074148 [patent_doc_number] => 11532993 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-12-20 [patent_title] => AC-to-AC power supplies using multi-frequency power conversion building blocks [patent_app_type] => utility [patent_app_number] => 17/496481 [patent_app_country] => US [patent_app_date] => 2021-10-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3571 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 340 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17496481 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/496481
AC-to-AC power supplies using multi-frequency power conversion building blocks Oct 6, 2021 Issued
Array ( [id] => 17523516 [patent_doc_number] => 20220109365 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-07 [patent_title] => LOW LOSS SNUBBER CIRCUIT AND POWER SUPPLY DEVICE [patent_app_type] => utility [patent_app_number] => 17/485048 [patent_app_country] => US [patent_app_date] => 2021-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4031 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 17485048 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/485048
Low loss snubber circuit and power supply device Sep 23, 2021 Issued
Array ( [id] => 18032603 [patent_doc_number] => 11515807 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-11-29 [patent_title] => Line frequency commutated voltage source converters for multiphase modular multilevel converters [patent_app_type] => utility [patent_app_number] => 17/477678 [patent_app_country] => US [patent_app_date] => 2021-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 9754 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17477678 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/477678
Line frequency commutated voltage source converters for multiphase modular multilevel converters Sep 16, 2021 Issued
Array ( [id] => 18767378 [patent_doc_number] => 11817795 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-11-14 [patent_title] => Switching power supply circuit [patent_app_type] => utility [patent_app_number] => 17/477775 [patent_app_country] => US [patent_app_date] => 2021-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 11634 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17477775 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/477775
Switching power supply circuit Sep 16, 2021 Issued
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