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] => 20733395 [patent_doc_number] => 12640657 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-05-26 [patent_title] => Multi-phase DC/DC converter [patent_app_type] => utility [patent_app_number] => 18/424895 [patent_app_country] => US [patent_app_date] => 2024-01-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 15 [patent_no_of_words] => 1999 [patent_no_of_claims] => 19 [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] => 18424895 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/424895
Multi-phase DC/DC converter Jan 28, 2024 Issued
Array ( [id] => 20029466 [patent_doc_number] => 20250167688 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-22 [patent_title] => RESONANT CONVERTER SWITCHING BETWEEN DIFFERENT OPERATIONAL STATE MODES [patent_app_type] => utility [patent_app_number] => 18/420935 [patent_app_country] => US [patent_app_date] => 2024-01-24 [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] => -9 [patent_words_short_claim] => 369 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18420935 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/420935
Resonant converter switching between different operational state modes Jan 23, 2024 Issued
Array ( [id] => 19176863 [patent_doc_number] => 20240162837 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-16 [patent_title] => METHOD FOR OPERATING AN INVERTER, AND INVERTER [patent_app_type] => utility [patent_app_number] => 18/420895 [patent_app_country] => US [patent_app_date] => 2024-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4347 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 183 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18420895 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/420895
Method for operating an inverter, and inverter Jan 23, 2024 Issued
Array ( [id] => 20096825 [patent_doc_number] => 20250226761 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-10 [patent_title] => HIG EFFICIENCY AC-DC CONVERTER [patent_app_type] => utility [patent_app_number] => 18/406985 [patent_app_country] => US [patent_app_date] => 2024-01-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1297 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 290 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18406985 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/406985
Hig efficiency AC-DC converter Jan 7, 2024 Issued
Array ( [id] => 20469821 [patent_doc_number] => 12525864 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-01-13 [patent_title] => Method for compensating reactive power, associated control system, and sensor driver circuit [patent_app_type] => utility [patent_app_number] => 18/405009 [patent_app_country] => US [patent_app_date] => 2024-01-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 1884 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18405009 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/405009
Method for compensating reactive power, associated control system, and sensor driver circuit Jan 4, 2024 Issued
Array ( [id] => 19130861 [patent_doc_number] => 20240136214 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-25 [patent_title] => LONG-LIFE EXTENDED TEMPERATURE RANGE EMBEDDED DIODE DESIGN FOR ELECTROSTATIC CHUCK WITH MULTIPLEXED HEATERS ARRAY [patent_app_type] => utility [patent_app_number] => 18/405595 [patent_app_country] => US [patent_app_date] => 2024-01-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9424 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 277 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18405595 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/405595
Long-life extended temperature range embedded diode design for electrostatic chuck with multiplexed heaters array Jan 4, 2024 Issued
Array ( [id] => 19639871 [patent_doc_number] => 12170489 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-12-17 [patent_title] => Device for compensating for current or voltage [patent_app_type] => utility [patent_app_number] => 18/396750 [patent_app_country] => US [patent_app_date] => 2023-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 98 [patent_figures_cnt] => 98 [patent_no_of_words] => 89477 [patent_no_of_claims] => 9 [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] => 18396750 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/396750
Device for compensating for current or voltage Dec 26, 2023 Issued
Array ( [id] => 19270183 [patent_doc_number] => 20240213889 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-27 [patent_title] => PWM CONTROL APPARATUS AND METHOD FOR 2-STAGE INVERTER [patent_app_type] => utility [patent_app_number] => 18/396424 [patent_app_country] => US [patent_app_date] => 2023-12-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5949 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18396424 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/396424
PWM control apparatus and method for 2-stage inverter Dec 25, 2023 Issued
Array ( [id] => 20061335 [patent_doc_number] => 20250199557 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-19 [patent_title] => METHODS AND SYSTEMS FOR SOLAR PHOTOVOLTAIC AUTOMATIC VOLTAGE REGULATION UNDER EXTREME WEATHER CONDITIONS [patent_app_type] => utility [patent_app_number] => 18/545724 [patent_app_country] => US [patent_app_date] => 2023-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14411 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 540 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18545724 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/545724
Methods and systems for solar photovoltaic automatic voltage regulation under extreme weather conditions Dec 18, 2023 Issued
Array ( [id] => 20259429 [patent_doc_number] => 12431795 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-30 [patent_title] => Non-isolated LLC resonant converter [patent_app_type] => utility [patent_app_number] => 18/538083 [patent_app_country] => US [patent_app_date] => 2023-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2167 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 798 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18538083 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/538083
Non-isolated LLC resonant converter Dec 12, 2023 Issued
Array ( [id] => 19253686 [patent_doc_number] => 20240204683 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-20 [patent_title] => System and Methods for Operating a Power Converter at Varying Power Production Conditions [patent_app_type] => utility [patent_app_number] => 18/536491 [patent_app_country] => US [patent_app_date] => 2023-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11799 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18536491 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/536491
System and Methods for Operating a Power Converter at Varying Power Production Conditions Dec 11, 2023 Pending
Array ( [id] => 19679900 [patent_doc_number] => 12191776 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-07 [patent_title] => Hybrid charger and inverter system [patent_app_type] => utility [patent_app_number] => 18/533486 [patent_app_country] => US [patent_app_date] => 2023-12-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 13 [patent_no_of_words] => 8572 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 209 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18533486 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/533486
Hybrid charger and inverter system Dec 7, 2023 Issued
Array ( [id] => 20551833 [patent_doc_number] => 12562636 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-24 [patent_title] => Method for operating electric power converter and electric power converter [patent_app_type] => utility [patent_app_number] => 18/527645 [patent_app_country] => US [patent_app_date] => 2023-12-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 0 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 187 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18527645 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/527645
Method for operating electric power converter and electric power converter Dec 3, 2023 Issued
Array ( [id] => 20389626 [patent_doc_number] => 12489364 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-02 [patent_title] => Control device of power factor correction circuit, power factor correction circuit and power supply device [patent_app_type] => utility [patent_app_number] => 18/526274 [patent_app_country] => US [patent_app_date] => 2023-12-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 0 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18526274 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/526274
Control device of power factor correction circuit, power factor correction circuit and power supply device Nov 30, 2023 Issued
Array ( [id] => 20045577 [patent_doc_number] => 20250183799 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-05 [patent_title] => HALF BRIDGE OVERCURRENT PROTECTION [patent_app_type] => utility [patent_app_number] => 18/526263 [patent_app_country] => US [patent_app_date] => 2023-12-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4663 [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] => 18526263 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/526263
Half bridge overcurrent protection Nov 30, 2023 Issued
Array ( [id] => 20733393 [patent_doc_number] => 12640655 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-05-26 [patent_title] => Efficiency in a dual-active bridge of a DC-DC stage [patent_app_type] => utility [patent_app_number] => 18/526989 [patent_app_country] => US [patent_app_date] => 2023-12-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 33 [patent_no_of_words] => 9112 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18526989 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/526989
Efficiency in a dual-active bridge of a DC-DC stage Nov 30, 2023 Issued
Array ( [id] => 20029449 [patent_doc_number] => 20250167671 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-22 [patent_title] => THREE-PHASE MULTI-LEVEL BOOST PFC RECTIFIER WITH FLYING CAPACITORS [patent_app_type] => utility [patent_app_number] => 18/518080 [patent_app_country] => US [patent_app_date] => 2023-11-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4396 [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] => 18518080 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/518080
THREE-PHASE MULTI-LEVEL BOOST PFC RECTIFIER WITH FLYING CAPACITORS Nov 21, 2023 Pending
Array ( [id] => 20026796 [patent_doc_number] => 20250165018 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-22 [patent_title] => DUAL INPUT SELF-REFERENCED VOLTAGE REGULATOR [patent_app_type] => utility [patent_app_number] => 18/514440 [patent_app_country] => US [patent_app_date] => 2023-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1224 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -26 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18514440 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/514440
Dual input self-referenced voltage regulator Nov 19, 2023 Issued
Array ( [id] => 19206863 [patent_doc_number] => 20240178762 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-30 [patent_title] => ELECTRICAL SYSTEM AND CONTROL METHOD [patent_app_type] => utility [patent_app_number] => 18/514098 [patent_app_country] => US [patent_app_date] => 2023-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6621 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18514098 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/514098
ELECTRICAL SYSTEM AND CONTROL METHOD Nov 19, 2023 Pending
Array ( [id] => 20733390 [patent_doc_number] => 12640652 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-05-26 [patent_title] => Stackable controllers for multiphase switching converters and power supply system thereof [patent_app_type] => utility [patent_app_number] => 18/514094 [patent_app_country] => US [patent_app_date] => 2023-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 2141 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18514094 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/514094
Stackable controllers for multiphase switching converters and power supply system thereof Nov 19, 2023 Issued
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