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] => 20305823 [patent_doc_number] => 12451827 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-21 [patent_title] => Variable frequency drive system with medium voltage input and low voltage output [patent_app_type] => utility [patent_app_number] => 18/062173 [patent_app_country] => US [patent_app_date] => 2022-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 13 [patent_no_of_words] => 0 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18062173 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/062173
Variable frequency drive system with medium voltage input and low voltage output Dec 5, 2022 Issued
Array ( [id] => 19926795 [patent_doc_number] => 12301094 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-13 [patent_title] => Modulation to extend dual-active bridge converter zero-voltage switching margin under parameter variation [patent_app_type] => utility [patent_app_number] => 18/075112 [patent_app_country] => US [patent_app_date] => 2022-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 2691 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [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] => 18075112 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/075112
Modulation to extend dual-active bridge converter zero-voltage switching margin under parameter variation Dec 4, 2022 Issued
Array ( [id] => 18409463 [patent_doc_number] => 20230170816 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-01 [patent_title] => HIGH PRECISION POWER CONTROLLER [patent_app_type] => utility [patent_app_number] => 18/060631 [patent_app_country] => US [patent_app_date] => 2022-12-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6031 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18060631 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/060631
High precision power controller Nov 30, 2022 Issued
Array ( [id] => 20202845 [patent_doc_number] => 12405623 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-02 [patent_title] => Amplifier having transconductance attenuation [patent_app_type] => utility [patent_app_number] => 18/059720 [patent_app_country] => US [patent_app_date] => 2022-11-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 0 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 185 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18059720 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/059720
Amplifier having transconductance attenuation Nov 28, 2022 Issued
Array ( [id] => 18424639 [patent_doc_number] => 20230179104 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-08 [patent_title] => ISOLATED SWITCHING REGULATORS WITH SMART POWER SUPPLY AND THE METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 18/070853 [patent_app_country] => US [patent_app_date] => 2022-11-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3311 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18070853 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/070853
Isolated switching regulators with smart power supply and the method thereof Nov 28, 2022 Issued
Array ( [id] => 18409387 [patent_doc_number] => 20230170740 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-01 [patent_title] => SYSTEMS AND METHODS FOR PROVIDING INDUCTIVE POWER TRANSFER POWER CONTROL [patent_app_type] => utility [patent_app_number] => 18/059567 [patent_app_country] => US [patent_app_date] => 2022-11-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6015 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18059567 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/059567
Systems and methods for providing inductive power transfer power control Nov 28, 2022 Issued
Array ( [id] => 19705452 [patent_doc_number] => 12199501 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-14 [patent_title] => Pulse-by-pulse current limit with slope compensator for inverters [patent_app_type] => utility [patent_app_number] => 17/989422 [patent_app_country] => US [patent_app_date] => 2022-11-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 7142 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17989422 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/989422
Pulse-by-pulse current limit with slope compensator for inverters Nov 16, 2022 Issued
Array ( [id] => 19935536 [patent_doc_number] => 12308746 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-20 [patent_title] => Power stage for multiphase voltage regulator with self-adapted current balancing control [patent_app_type] => utility [patent_app_number] => 17/988894 [patent_app_country] => US [patent_app_date] => 2022-11-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 0 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 251 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17988894 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/988894
Power stage for multiphase voltage regulator with self-adapted current balancing control Nov 16, 2022 Issued
Array ( [id] => 19176841 [patent_doc_number] => 20240162815 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-16 [patent_title] => VOLTAGE REGULATOR WITH BOOST CURRENT CONTROL CIRCUITRY [patent_app_type] => utility [patent_app_number] => 18/055913 [patent_app_country] => US [patent_app_date] => 2022-11-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4541 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 205 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18055913 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/055913
Voltage regulator with boost current control circuitry Nov 15, 2022 Issued
Array ( [id] => 19176856 [patent_doc_number] => 20240162830 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-16 [patent_title] => DIRECT DRIVE LEDS USING FLOATING SWITCHES IN 3-PHASE OR SINGLE-PHASE RECTIFIER CIRCUIT [patent_app_type] => utility [patent_app_number] => 17/985915 [patent_app_country] => US [patent_app_date] => 2022-11-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3179 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17985915 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/985915
DIRECT DRIVE LEDS USING FLOATING SWITCHES IN 3-PHASE OR SINGLE-PHASE RECTIFIER CIRCUIT Nov 13, 2022 Abandoned
Array ( [id] => 19671404 [patent_doc_number] => 12184180 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-12-31 [patent_title] => Power supply phase doubling system [patent_app_type] => utility [patent_app_number] => 17/984221 [patent_app_country] => US [patent_app_date] => 2022-11-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 2922 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 169 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17984221 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/984221
Power supply phase doubling system Nov 8, 2022 Issued
Array ( [id] => 19843116 [patent_doc_number] => 12255523 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-03-18 [patent_title] => Soft-switching modulation for active clamped phase-shift full-bridge converter [patent_app_type] => utility [patent_app_number] => 18/053564 [patent_app_country] => US [patent_app_date] => 2022-11-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 6105 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18053564 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/053564
Soft-switching modulation for active clamped phase-shift full-bridge converter Nov 7, 2022 Issued
Array ( [id] => 19671401 [patent_doc_number] => 12184177 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-12-31 [patent_title] => Dynamic bias for bootstrap recharge in discontinuous mode DC-DC converters [patent_app_type] => utility [patent_app_number] => 17/979156 [patent_app_country] => US [patent_app_date] => 2022-11-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 13 [patent_no_of_words] => 6260 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17979156 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/979156
Dynamic bias for bootstrap recharge in discontinuous mode DC-DC converters Nov 1, 2022 Issued
Array ( [id] => 19893737 [patent_doc_number] => 20250119049 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-10 [patent_title] => BRAKE ADJUSTER FOR A MODULAR MULTILEVEL CONVERTER [patent_app_type] => utility [patent_app_number] => 18/729412 [patent_app_country] => US [patent_app_date] => 2022-11-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4269 [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] => 18729412 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/729412
BRAKE ADJUSTER FOR A MODULAR MULTILEVEL CONVERTER Nov 1, 2022 Pending
Array ( [id] => 20111917 [patent_doc_number] => 12362657 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-15 [patent_title] => DC-DC converter [patent_app_type] => utility [patent_app_number] => 18/274428 [patent_app_country] => US [patent_app_date] => 2022-11-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 0 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18274428 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/274428
DC-DC converter Oct 31, 2022 Issued
Array ( [id] => 18395456 [patent_doc_number] => 20230163677 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-25 [patent_title] => INRUSH CURRENT LIMITING AND SURGE PROTECTION CIRCUIT AND SYSTEM [patent_app_type] => utility [patent_app_number] => 18/051208 [patent_app_country] => US [patent_app_date] => 2022-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3322 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18051208 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/051208
Inrush current limiting and surge protection circuit and system Oct 30, 2022 Issued
Array ( [id] => 18349567 [patent_doc_number] => 20230137678 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-04 [patent_title] => ADAPTIVE DC/DC PWM CONTROL [patent_app_type] => utility [patent_app_number] => 17/976488 [patent_app_country] => US [patent_app_date] => 2022-10-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7137 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -29 [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] => 17976488 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/976488
Adaptive DC/DC PWM control Oct 27, 2022 Issued
Array ( [id] => 19843145 [patent_doc_number] => 12255552 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-03-18 [patent_title] => Method for boosting current compensation in auxiliary resonant commutated pole inverter (ARCPI) with saturable inductor [patent_app_type] => utility [patent_app_number] => 17/975527 [patent_app_country] => US [patent_app_date] => 2022-10-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 12197 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17975527 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/975527
Method for boosting current compensation in auxiliary resonant commutated pole inverter (ARCPI) with saturable inductor Oct 26, 2022 Issued
Array ( [id] => 18670484 [patent_doc_number] => 11777400 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-03 [patent_title] => Switching control in electrical load controllers [patent_app_type] => utility [patent_app_number] => 18/049348 [patent_app_country] => US [patent_app_date] => 2022-10-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 14 [patent_no_of_words] => 20454 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 174 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18049348 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/049348
Switching control in electrical load controllers Oct 24, 2022 Issued
Array ( [id] => 19539829 [patent_doc_number] => 12132389 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-29 [patent_title] => Resonance conversion device [patent_app_type] => utility [patent_app_number] => 17/969642 [patent_app_country] => US [patent_app_date] => 2022-10-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3508 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17969642 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/969642
Resonance conversion device Oct 18, 2022 Issued
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