Search

Lut Wong

Examiner (ID: 9919, Phone: (571)270-1123 , Office: P/2129 )

Most Active Art Unit
2129
Art Unit(s)
2127, 2121, 2129
Total Applications
754
Issued Applications
539
Pending Applications
61
Abandoned Applications
167

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19965290 [patent_doc_number] => 12334813 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-17 [patent_title] => Rectification control system, charger and control method for charger [patent_app_type] => utility [patent_app_number] => 19/011342 [patent_app_country] => US [patent_app_date] => 2025-01-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 9 [patent_no_of_words] => 2285 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 378 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19011342 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/011342
Rectification control system, charger and control method for charger Jan 5, 2025 Issued
Array ( [id] => 20572869 [patent_doc_number] => 20260066798 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-03-05 [patent_title] => MULTI-FUNCTIONAL SWITCHING AND LINEAR VOLTAGE REGULATION [patent_app_type] => utility [patent_app_number] => 18/819825 [patent_app_country] => US [patent_app_date] => 2024-08-29 [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] => -19 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18819825 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/819825
MULTI-FUNCTIONAL SWITCHING AND LINEAR VOLTAGE REGULATION Aug 28, 2024 Pending
Array ( [id] => 20572878 [patent_doc_number] => 20260066807 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-03-05 [patent_title] => HIGH STEP DOWN POWER CONVERTER WITH A CHAIN OF TRANSFORMER-RECTIFIER BLOCKS [patent_app_type] => utility [patent_app_number] => 18/816571 [patent_app_country] => US [patent_app_date] => 2024-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2999 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18816571 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/816571
HIGH STEP DOWN POWER CONVERTER WITH A CHAIN OF TRANSFORMER-RECTIFIER BLOCKS Aug 26, 2024 Pending
Array ( [id] => 20072906 [patent_doc_number] => 20250211128 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-26 [patent_title] => POWER CONVERTER [patent_app_type] => utility [patent_app_number] => 18/805024 [patent_app_country] => US [patent_app_date] => 2024-08-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2257 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 188 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18805024 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/805024
POWER CONVERTER Aug 13, 2024 Pending
Array ( [id] => 20502263 [patent_doc_number] => 20260031725 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-01-29 [patent_title] => POWER SUPPLY WITH POWER FACTOR CORRECTION [patent_app_type] => utility [patent_app_number] => 18/805311 [patent_app_country] => US [patent_app_date] => 2024-08-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2481 [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] => 18805311 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/805311
POWER SUPPLY WITH POWER FACTOR CORRECTION Aug 13, 2024 Pending
Array ( [id] => 20515100 [patent_doc_number] => 20260039203 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-02-05 [patent_title] => Dual-Phase Constant On-Time Power Converter and Control Method [patent_app_type] => utility [patent_app_number] => 18/793689 [patent_app_country] => US [patent_app_date] => 2024-08-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5263 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18793689 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/793689
Dual-Phase Constant On-Time Power Converter and Control Method Aug 1, 2024 Pending
Array ( [id] => 19758647 [patent_doc_number] => 20250047212 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-06 [patent_title] => POWER-SUPPLY DEVICE [patent_app_type] => utility [patent_app_number] => 18/782207 [patent_app_country] => US [patent_app_date] => 2024-07-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4976 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 194 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18782207 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/782207
POWER-SUPPLY DEVICE Jul 23, 2024 Pending
Array ( [id] => 20502269 [patent_doc_number] => 20260031731 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-01-29 [patent_title] => ACU MAIN LINE VOLTAGE DETECTION METHOD WITH FLYBACK ISOLATED BASED SMPS [patent_app_type] => utility [patent_app_number] => 18/781517 [patent_app_country] => US [patent_app_date] => 2024-07-23 [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] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18781517 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/781517
ACU MAIN LINE VOLTAGE DETECTION METHOD WITH FLYBACK ISOLATED BASED SMPS Jul 22, 2024 Pending
Array ( [id] => 19697183 [patent_doc_number] => 20250015728 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-09 [patent_title] => FLYBACK CONVERTER AND SWITCH CONTROL CIRCUIT, CONTROL METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 18/761370 [patent_app_country] => US [patent_app_date] => 2024-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5987 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 169 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18761370 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/761370
FLYBACK CONVERTER AND SWITCH CONTROL CIRCUIT, CONTROL METHOD THEREOF Jul 1, 2024 Pending
Array ( [id] => 19893805 [patent_doc_number] => 20250119117 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-10 [patent_title] => Negative Reactance Synthesizer [patent_app_type] => utility [patent_app_number] => 18/761351 [patent_app_country] => US [patent_app_date] => 2024-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6222 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 235 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18761351 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/761351
Negative Reactance Synthesizer Jul 1, 2024 Pending
Array ( [id] => 19750089 [patent_doc_number] => 20250038654 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-30 [patent_title] => NOVEL HIGH EFFICIENCY LINE INTERACTIVE UPS [patent_app_type] => utility [patent_app_number] => 18/760087 [patent_app_country] => US [patent_app_date] => 2024-07-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10719 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18760087 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/760087
NOVEL HIGH EFFICIENCY LINE INTERACTIVE UPS Jun 30, 2024 Pending
Array ( [id] => 19605587 [patent_doc_number] => 20240396467 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-28 [patent_title] => DEVICE FOR CONVERTING ELECTRICAL ENERGY INTO HEAT IN THE FIELD OF MEDIUM- AND HIGH-VOLTAGE ENGINEERING AND CONVERTER ARRANGEMENT HAVING THE DEVICE [patent_app_type] => utility [patent_app_number] => 18/675392 [patent_app_country] => US [patent_app_date] => 2024-05-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3200 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 256 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18675392 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/675392
DEVICE FOR CONVERTING ELECTRICAL ENERGY INTO HEAT IN THE FIELD OF MEDIUM- AND HIGH-VOLTAGE ENGINEERING AND CONVERTER ARRANGEMENT HAVING THE DEVICE May 27, 2024 Pending
Array ( [id] => 19758652 [patent_doc_number] => 20250047217 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-06 [patent_title] => METHOD FOR HYBRID CONTROL OF GRID-CONNECTED INVERTER BASED ON TIME SHARING OF A VOLTAGE SOURCE AND A CURRENT SOURCE [patent_app_type] => utility [patent_app_number] => 18/673927 [patent_app_country] => US [patent_app_date] => 2024-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12918 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 1051 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18673927 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/673927
Method for hybrid control of grid-connected inverter based on time sharing of a voltage source and a current source May 23, 2024 Issued
Array ( [id] => 19605556 [patent_doc_number] => 20240396436 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-28 [patent_title] => METHOD AND SYSTEM FOR WARMING-UP ELECTROLYTIC CAPACITOR [patent_app_type] => utility [patent_app_number] => 18/669542 [patent_app_country] => US [patent_app_date] => 2024-05-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8960 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -29 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18669542 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/669542
METHOD AND SYSTEM FOR WARMING-UP ELECTROLYTIC CAPACITOR May 20, 2024 Pending
Array ( [id] => 20581582 [patent_doc_number] => 12573838 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-10 [patent_title] => Autonomous detection of rapid shutdown condition [patent_app_type] => utility [patent_app_number] => 18/658833 [patent_app_country] => US [patent_app_date] => 2024-05-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 17772 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [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] => 18658833 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/658833
Autonomous detection of rapid shutdown condition May 7, 2024 Issued
Array ( [id] => 19485099 [patent_doc_number] => 20240333141 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-03 [patent_title] => ISOLATED RESONANT CONVERTER AND CONTROL METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 18/657479 [patent_app_country] => US [patent_app_date] => 2024-05-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8828 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 254 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18657479 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/657479
ISOLATED RESONANT CONVERTER AND CONTROL METHOD THEREOF May 6, 2024 Pending
Array ( [id] => 19576021 [patent_doc_number] => 20240380313 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-14 [patent_title] => PFC NETWORK CIRCUIT [patent_app_type] => utility [patent_app_number] => 18/650601 [patent_app_country] => US [patent_app_date] => 2024-04-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13962 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18650601 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/650601
PFC NETWORK CIRCUIT Apr 29, 2024 Pending
Array ( [id] => 20291831 [patent_doc_number] => 20250317074 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-09 [patent_title] => SYSTEM AND METHOD FOR COMMON MODE VOLTAGE REDUCTION FOR SINGLE PHASE 3 WIRE MOTOR [patent_app_type] => utility [patent_app_number] => 18/629788 [patent_app_country] => US [patent_app_date] => 2024-04-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2044 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 235 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18629788 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/629788
SYSTEM AND METHOD FOR COMMON MODE VOLTAGE REDUCTION FOR SINGLE PHASE 3 WIRE MOTOR Apr 7, 2024 Pending
Array ( [id] => 20284541 [patent_doc_number] => 20250309783 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-02 [patent_title] => FRONT-END ACTIVE RECTIFIER USING SINGLE INDUCTOR AND SERIES STACKED HALF BRIDGES FOR ISOLATED POWER SUPPLIES [patent_app_type] => utility [patent_app_number] => 18/624695 [patent_app_country] => US [patent_app_date] => 2024-04-02 [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] => 171 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18624695 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/624695
FRONT-END ACTIVE RECTIFIER USING SINGLE INDUCTOR AND SERIES STACKED HALF BRIDGES FOR ISOLATED POWER SUPPLIES Apr 1, 2024 Pending
Array ( [id] => 19804714 [patent_doc_number] => 20250070639 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-27 [patent_title] => POWER CONVERSION SYSTEM AND CONTROL METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 18/619056 [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] => 6489 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -28 [patent_words_short_claim] => 231 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18619056 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/619056
POWER CONVERSION SYSTEM AND CONTROL METHOD THEREOF Mar 26, 2024 Pending
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