Search

Joseph Chang

Examiner (ID: 13012, Phone: (571)272-1759 , Office: P/2842 )

Most Active Art Unit
2817
Art Unit(s)
2849, 2817, 2836, 2843, 2842
Total Applications
2195
Issued Applications
1924
Pending Applications
129
Abandoned Applications
171

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20223524 [patent_doc_number] => 20250286455 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-11 [patent_title] => METHOD AND POWER DISTRIBUTION SYSTEM FOR GENERATING ELECTRICAL POWER [patent_app_type] => utility [patent_app_number] => 19/215949 [patent_app_country] => US [patent_app_date] => 2025-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4747 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19215949 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/215949
METHOD AND POWER DISTRIBUTION SYSTEM FOR GENERATING ELECTRICAL POWER May 21, 2025 Pending
Array ( [id] => 20206892 [patent_doc_number] => 20250276612 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-04 [patent_title] => POWER SUPPLY SYSTEM AND PROGRAM [patent_app_type] => utility [patent_app_number] => 19/209893 [patent_app_country] => US [patent_app_date] => 2025-05-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 23754 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 385 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19209893 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/209893
POWER SUPPLY SYSTEM AND PROGRAM May 15, 2025 Pending
Array ( [id] => 20410394 [patent_doc_number] => 20250379503 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-12-11 [patent_title] => DISTRIBUTED POWER SUPPLY [patent_app_type] => utility [patent_app_number] => 19/207866 [patent_app_country] => US [patent_app_date] => 2025-05-14 [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] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19207866 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/207866
DISTRIBUTED POWER SUPPLY May 13, 2025 Pending
Array ( [id] => 20382406 [patent_doc_number] => 20250364899 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-11-27 [patent_title] => BIDIRECTIONAL DC/DC CONVERTER, POWER INTERRUPTION PROTECTION CIRCUIT, AND SEMICONDUCTOR DEVICE [patent_app_type] => utility [patent_app_number] => 19/208023 [patent_app_country] => US [patent_app_date] => 2025-05-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4423 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [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] => 19208023 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/208023
BIDIRECTIONAL DC/DC CONVERTER, POWER INTERRUPTION PROTECTION CIRCUIT, AND SEMICONDUCTOR DEVICE May 13, 2025 Pending
Array ( [id] => 20567957 [patent_doc_number] => 20260061878 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-03-05 [patent_title] => BUILDING-SIDE PANEL AND SYSTEM [patent_app_type] => utility [patent_app_number] => 19/208204 [patent_app_country] => US [patent_app_date] => 2025-05-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9744 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19208204 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/208204
BUILDING-SIDE PANEL AND SYSTEM May 13, 2025 Pending
Array ( [id] => 20325270 [patent_doc_number] => 20250337358 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-30 [patent_title] => CRYSTAL UNIT WITH BUILT-IN TEMPERATURE SENSOR [patent_app_type] => utility [patent_app_number] => 19/185152 [patent_app_country] => US [patent_app_date] => 2025-04-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6119 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -24 [patent_words_short_claim] => 253 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19185152 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/185152
CRYSTAL UNIT WITH BUILT-IN TEMPERATURE SENSOR Apr 20, 2025 Pending
19/122473 System For High Energy Demand Services In An Offshore Energy Generation Installation Apr 17, 2025 Pending
Array ( [id] => 20099736 [patent_doc_number] => 20250229672 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-17 [patent_title] => CONTROL METHOD FOR BATTERY HEATING SYSTEM, AND BATTERY HEATING SYSTEM AND ELECTRIC VEHICLE [patent_app_type] => utility [patent_app_number] => 19/097887 [patent_app_country] => US [patent_app_date] => 2025-04-02 [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] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19097887 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/097887
CONTROL METHOD FOR BATTERY HEATING SYSTEM, AND BATTERY HEATING SYSTEM AND ELECTRIC VEHICLE Apr 1, 2025 Pending
Array ( [id] => 20697206 [patent_doc_number] => 20260128620 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-05-07 [patent_title] => POWER SUPPLY SYSTEM [patent_app_type] => utility [patent_app_number] => 19/117110 [patent_app_country] => US [patent_app_date] => 2023-08-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2256 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [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] => 19117110 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/117110
POWER SUPPLY SYSTEM Mar 30, 2025 Pending
Array ( [id] => 20224558 [patent_doc_number] => 20250287489 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-11 [patent_title] => LUMINAIRE NETWORK MANAGEMENT METHOD [patent_app_type] => utility [patent_app_number] => 19/081346 [patent_app_country] => US [patent_app_date] => 2025-03-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6213 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 20 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19081346 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/081346
LUMINAIRE NETWORK MANAGEMENT METHOD Mar 16, 2025 Pending
Array ( [id] => 20029342 [patent_doc_number] => 20250167564 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-22 [patent_title] => ENERGY STORAGE SYSTEM ADAPTED IN AC AND DC POWER CONFIGURATIONS [patent_app_type] => utility [patent_app_number] => 19/033374 [patent_app_country] => US [patent_app_date] => 2025-01-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8424 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [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] => 19033374 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/033374
ENERGY STORAGE SYSTEM ADAPTED IN AC AND DC POWER CONFIGURATIONS Jan 20, 2025 Pending
Array ( [id] => 20029610 [patent_doc_number] => 20250167832 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-22 [patent_title] => Crowdsourced Wireless Power Distribution and Monetization [patent_app_type] => utility [patent_app_number] => 19/031886 [patent_app_country] => US [patent_app_date] => 2025-01-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20352 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 20 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19031886 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/031886
Crowdsourced Wireless Power Distribution and Monetization Jan 17, 2025 Pending
Array ( [id] => 20020232 [patent_doc_number] => 20250158454 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-15 [patent_title] => Power Transfer System With Patient Transport Apparatus And Power Transfer Device To Transfer Power To The Patient Transport Apparatus [patent_app_type] => utility [patent_app_number] => 19/024787 [patent_app_country] => US [patent_app_date] => 2025-01-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5974 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19024787 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/024787
Power Transfer System With Patient Transport Apparatus And Power Transfer Device To Transfer Power To The Patient Transport Apparatus Jan 15, 2025 Pending
Array ( [id] => 20020205 [patent_doc_number] => 20250158427 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-15 [patent_title] => APPARATUS TO DETECT DEFECTIVE BATTERY MODULE AND ABNORMALITY IN A SEQUENTIAL CHARGING CONTROL CHAIN [patent_app_type] => utility [patent_app_number] => 19/023085 [patent_app_country] => US [patent_app_date] => 2025-01-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8423 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [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] => 19023085 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/023085
APPARATUS TO DETECT DEFECTIVE BATTERY MODULE AND ABNORMALITY IN A SEQUENTIAL CHARGING CONTROL CHAIN Jan 14, 2025 Pending
Array ( [id] => 20103489 [patent_doc_number] => 20250233425 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-17 [patent_title] => Division Method and System for Distributed Renewable-Energy Electricity Generation Clusters [patent_app_type] => utility [patent_app_number] => 19/007947 [patent_app_country] => US [patent_app_date] => 2025-01-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4034 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 175 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19007947 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/007947
Division Method and System for Distributed Renewable-Energy Electricity Generation Clusters Jan 1, 2025 Pending
Array ( [id] => 19899024 [patent_doc_number] => 12276945 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-04-15 [patent_title] => Method for compensating for frequency shifts caused by variations in environmental parameter of atomic clock [patent_app_type] => utility [patent_app_number] => 18/991779 [patent_app_country] => US [patent_app_date] => 2024-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 0 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 531 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18991779 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/991779
Method for compensating for frequency shifts caused by variations in environmental parameter of atomic clock Dec 22, 2024 Issued
Array ( [id] => 19893820 [patent_doc_number] => 20250119132 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-10 [patent_title] => PWM-BASED CONTINUOUS CLOCK SERIAL INTERFACE [patent_app_type] => utility [patent_app_number] => 18/984060 [patent_app_country] => US [patent_app_date] => 2024-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5979 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18984060 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/984060
PWM-BASED CONTINUOUS CLOCK SERIAL INTERFACE Dec 16, 2024 Pending
Array ( [id] => 20558816 [patent_doc_number] => 20260058603 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-02-26 [patent_title] => CIRCUIT FOR PERFORMING EXPONENTIAL TEMPERATURE COMPENSATION IN AN OSCILLATOR [patent_app_type] => utility [patent_app_number] => 18/978742 [patent_app_country] => US [patent_app_date] => 2024-12-12 [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] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18978742 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/978742
CIRCUIT FOR PERFORMING EXPONENTIAL TEMPERATURE COMPENSATION IN AN OSCILLATOR Dec 11, 2024 Pending
Array ( [id] => 19880245 [patent_doc_number] => 20250112502 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-03 [patent_title] => Wireless Power Transmitter Increasing Uniformity of Electromagnetic Field Distribution [patent_app_type] => utility [patent_app_number] => 18/976758 [patent_app_country] => US [patent_app_date] => 2024-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9871 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18976758 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/976758
Wireless Power Transmitter Increasing Uniformity of Electromagnetic Field Distribution Dec 10, 2024 Pending
Array ( [id] => 20476813 [patent_doc_number] => 20260019034 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-01-15 [patent_title] => OSCILLATOR DEVICE [patent_app_type] => utility [patent_app_number] => 18/964787 [patent_app_country] => US [patent_app_date] => 2024-12-02 [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] => -11 [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] => 18964787 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/964787
OSCILLATOR DEVICE Dec 1, 2024 Pending
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