Search

Richard Tan

Examiner (ID: 12070, Phone: (571)270-7455 , Office: P/2842 )

Most Active Art Unit
2849
Art Unit(s)
2843, 4134, 2842, 2817, 2849
Total Applications
999
Issued Applications
787
Pending Applications
54
Abandoned Applications
187

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19935452 [patent_doc_number] => 12308662 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-20 [patent_title] => Techniques for energy harvesting using a square waveform [patent_app_type] => utility [patent_app_number] => 18/160451 [patent_app_country] => US [patent_app_date] => 2023-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 23334 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18160451 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/160451
Techniques for energy harvesting using a square waveform Jan 26, 2023 Issued
Array ( [id] => 18380292 [patent_doc_number] => 20230155382 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-18 [patent_title] => VOLTAGE COMPENSATION APPARATUS, INVERTER APPARATUS, AND PHOTOVOLTAIC POWER GENERATION SYSTEM [patent_app_type] => utility [patent_app_number] => 18/156558 [patent_app_country] => US [patent_app_date] => 2023-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13124 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 182 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18156558 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/156558
Voltage compensation apparatus, inverter apparatus, and photovoltaic power generation system Jan 18, 2023 Issued
Array ( [id] => 18380292 [patent_doc_number] => 20230155382 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-18 [patent_title] => VOLTAGE COMPENSATION APPARATUS, INVERTER APPARATUS, AND PHOTOVOLTAIC POWER GENERATION SYSTEM [patent_app_type] => utility [patent_app_number] => 18/156558 [patent_app_country] => US [patent_app_date] => 2023-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13124 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 182 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18156558 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/156558
Voltage compensation apparatus, inverter apparatus, and photovoltaic power generation system Jan 18, 2023 Issued
Array ( [id] => 19590546 [patent_doc_number] => 20240388103 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-21 [patent_title] => ENERGY STORAGE SYSTEM FOR OPTIMAL OPERATION OF NEWLY INSTALLED BATTERY RACK AND CONTROL METHOD THEREFOR [patent_app_type] => utility [patent_app_number] => 18/688284 [patent_app_country] => US [patent_app_date] => 2023-01-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7548 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18688284 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/688284
ENERGY STORAGE SYSTEM FOR OPTIMAL OPERATION OF NEWLY INSTALLED BATTERY RACK AND CONTROL METHOD THEREFOR Jan 5, 2023 Pending
Array ( [id] => 18515238 [patent_doc_number] => 20230231519 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-20 [patent_title] => OSCILLATOR CIRCUIT AND TEMPERATURE COMPENSATION METHOD FOR OSCILLATOR CIRCUIT [patent_app_type] => utility [patent_app_number] => 18/088608 [patent_app_country] => US [patent_app_date] => 2022-12-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9240 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18088608 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/088608
Oscillator circuit and temperature compensation method for oscillator circuit Dec 24, 2022 Issued
Array ( [id] => 18456982 [patent_doc_number] => 20230198264 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-22 [patent_title] => ELECTRICAL ARCHITECTURE COMPRISING AT LEAST ONE LINEAR PHOTOVOLTAIC INSTALLATION FORMED BY SEVERAL GROUPS OF PHOTOVOLTAIC PANELS AND BY A DC NETWORK, CONNECTED TO AN AC TRANSMISSION NETWORK AND/OR AN AC DISTRIBUTION NETWORK WITH ARBITRATION OF THE POWER INJECTED FROM THE DC NETWORK TO THE AC NETWORK [patent_app_type] => utility [patent_app_number] => 18/066552 [patent_app_country] => US [patent_app_date] => 2022-12-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3275 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18066552 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/066552
ELECTRICAL ARCHITECTURE COMPRISING AT LEAST ONE LINEAR PHOTOVOLTAIC INSTALLATION FORMED BY SEVERAL GROUPS OF PHOTOVOLTAIC PANELS AND BY A DC NETWORK, CONNECTED TO AN AC TRANSMISSION NETWORK AND/OR AN AC DISTRIBUTION NETWORK WITH ARBITRATION OF THE POWER INJECTED FROM THE DC NETWORK TO THE AC NETWORK Dec 14, 2022 Abandoned
Array ( [id] => 18419480 [patent_doc_number] => 20230173940 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-08 [patent_title] => POWER CONTROL METHOD AND SYSTEM FOR BATTERY CHARGING AND SWAP STATION, MEDIUM, APPARATUS, AND BATTERY CHARGING AND SWAP STATION [patent_app_type] => utility [patent_app_number] => 18/061550 [patent_app_country] => US [patent_app_date] => 2022-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17178 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 226 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18061550 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/061550
Power control method and system for battery charging and swap station, medium, apparatus, and battery charging and swap station Dec 4, 2022 Issued
Array ( [id] => 19713238 [patent_doc_number] => 20250023380 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-16 [patent_title] => ELECTRIC POWER DEVICE, ELECTROMECHANICAL CONVERSION DEVICE, ELECTRICITY STORAGE DEVICE, ELECTRIC POWER SYSTEM, METHOD FOR CONTROLLING ELECTRIC POWER SYSTEM, AND STORAGE MEDIUM [patent_app_type] => utility [patent_app_number] => 18/712811 [patent_app_country] => US [patent_app_date] => 2022-11-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 33055 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -23 [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] => 18712811 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/712811
ELECTRIC POWER DEVICE, ELECTROMECHANICAL CONVERSION DEVICE, ELECTRICITY STORAGE DEVICE, ELECTRIC POWER SYSTEM, METHOD FOR CONTROLLING ELECTRIC POWER SYSTEM, AND STORAGE MEDIUM Nov 24, 2022 Pending
Array ( [id] => 18395377 [patent_doc_number] => 20230163598 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-25 [patent_title] => MICROGRID SYSTEM FOR SOLAR WATER PUMPS [patent_app_type] => utility [patent_app_number] => 17/992560 [patent_app_country] => US [patent_app_date] => 2022-11-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5145 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17992560 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/992560
MICROGRID SYSTEM FOR SOLAR WATER PUMPS Nov 21, 2022 Abandoned
Array ( [id] => 19639838 [patent_doc_number] => 12170456 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-12-17 [patent_title] => Control of vehicle and home energy storage systems [patent_app_type] => utility [patent_app_number] => 17/989842 [patent_app_country] => US [patent_app_date] => 2022-11-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 5413 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17989842 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/989842
Control of vehicle and home energy storage systems Nov 17, 2022 Issued
Array ( [id] => 20259347 [patent_doc_number] => 12431713 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-30 [patent_title] => Power electronic regulator [patent_app_type] => utility [patent_app_number] => 17/989376 [patent_app_country] => US [patent_app_date] => 2022-11-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 26 [patent_figures_cnt] => 35 [patent_no_of_words] => 13020 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 502 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17989376 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/989376
Power electronic regulator Nov 16, 2022 Issued
Array ( [id] => 19635183 [patent_doc_number] => 20240413632 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-12 [patent_title] => BATTERY RACK MANAGEMENT APPARATUS AND METHOD FOR OPERATING SAME [patent_app_type] => utility [patent_app_number] => 18/703576 [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] => 8833 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 59 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18703576 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/703576
BATTERY RACK MANAGEMENT APPARATUS AND METHOD FOR OPERATING SAME Oct 30, 2022 Issued
Array ( [id] => 19306630 [patent_doc_number] => 20240235210 [patent_country] => US [patent_kind] => A9 [patent_issue_date] => 2024-07-11 [patent_title] => CONVERTIBLE TRANSFER SWITCH [patent_app_type] => utility [patent_app_number] => 18/047842 [patent_app_country] => US [patent_app_date] => 2022-10-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11546 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 18047842 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/047842
Convertible transfer switch Oct 18, 2022 Issued
Array ( [id] => 19306630 [patent_doc_number] => 20240235210 [patent_country] => US [patent_kind] => A9 [patent_issue_date] => 2024-07-11 [patent_title] => CONVERTIBLE TRANSFER SWITCH [patent_app_type] => utility [patent_app_number] => 18/047842 [patent_app_country] => US [patent_app_date] => 2022-10-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11546 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 18047842 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/047842
Convertible transfer switch Oct 18, 2022 Issued
Array ( [id] => 18324127 [patent_doc_number] => 20230122255 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-20 [patent_title] => Power Supply System, Power Supply Method, Control Apparatus, and Computer Storage Medium [patent_app_type] => utility [patent_app_number] => 17/969194 [patent_app_country] => US [patent_app_date] => 2022-10-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20668 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 246 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17969194 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/969194
Power supply system, power supply method, control apparatus, and computer storage medium Oct 18, 2022 Issued
Array ( [id] => 18350410 [patent_doc_number] => 20230138521 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-04 [patent_title] => SWITCH DEVICE FOR A DISTRIBUTION NETWORK FED BY MORE THAN ONE INDEPENDENT POWER SOURCE [patent_app_type] => utility [patent_app_number] => 17/960273 [patent_app_country] => US [patent_app_date] => 2022-10-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10039 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17960273 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/960273
Switch device for a distribution network fed by more than one independent power source Oct 4, 2022 Issued
Array ( [id] => 18697003 [patent_doc_number] => 20230327459 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-12 [patent_title] => POWER SUPPLY CIRCUIT WITH SYNCHRONIZATION FUNCTIONALITY [patent_app_type] => utility [patent_app_number] => 17/956554 [patent_app_country] => US [patent_app_date] => 2022-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7186 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17956554 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/956554
Power supply circuit with synchronization functionality Sep 28, 2022 Issued
Array ( [id] => 20216527 [patent_doc_number] => 12413185 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-09 [patent_title] => Electronic device [patent_app_type] => utility [patent_app_number] => 17/955510 [patent_app_country] => US [patent_app_date] => 2022-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 21 [patent_no_of_words] => 5293 [patent_no_of_claims] => 15 [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] => 17955510 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/955510
Electronic device Sep 27, 2022 Issued
Array ( [id] => 19314784 [patent_doc_number] => 12040615 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-16 [patent_title] => Measurement-based dynamic modeling of an electrical network [patent_app_type] => utility [patent_app_number] => 17/934995 [patent_app_country] => US [patent_app_date] => 2022-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 15861 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17934995 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/934995
Measurement-based dynamic modeling of an electrical network Sep 22, 2022 Issued
Array ( [id] => 19796739 [patent_doc_number] => 12237717 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-25 [patent_title] => Systems and methods for operating with secondary power sources [patent_app_type] => utility [patent_app_number] => 17/949630 [patent_app_country] => US [patent_app_date] => 2022-09-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 9081 [patent_no_of_claims] => 31 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 208 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17949630 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/949630
Systems and methods for operating with secondary power sources Sep 20, 2022 Issued
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