Search

Kun Kai Ma

Examiner (ID: 13714, Phone: (571)270-3530 , Office: P/3744 )

Most Active Art Unit
3763
Art Unit(s)
3744, 3763
Total Applications
970
Issued Applications
716
Pending Applications
106
Abandoned Applications
173

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18479008 [patent_doc_number] => 11692742 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-07-04 [patent_title] => Thermal management systems [patent_app_type] => utility [patent_app_number] => 17/189410 [patent_app_country] => US [patent_app_date] => 2021-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 25 [patent_no_of_words] => 21450 [patent_no_of_claims] => 51 [patent_no_of_ind_claims] => 4 [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] => 17189410 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/189410
Thermal management systems Mar 1, 2021 Issued
Array ( [id] => 18362296 [patent_doc_number] => 20230143887 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-11 [patent_title] => WATER BOX MIXING MANIFOLD [patent_app_type] => utility [patent_app_number] => 17/802489 [patent_app_country] => US [patent_app_date] => 2021-02-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8328 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17802489 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/802489
Water box mixing manifold Feb 25, 2021 Issued
Array ( [id] => 20414847 [patent_doc_number] => 12498123 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-16 [patent_title] => Outdoor heat exchanger and air conditioner [patent_app_type] => utility [patent_app_number] => 18/246765 [patent_app_country] => US [patent_app_date] => 2021-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 15 [patent_no_of_words] => 2371 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 243 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18246765 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/246765
Outdoor heat exchanger and air conditioner Feb 9, 2021 Issued
Array ( [id] => 17023242 [patent_doc_number] => 20210247113 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-12 [patent_title] => Cooling Device, a Test Chamber and a Method [patent_app_type] => utility [patent_app_number] => 17/171639 [patent_app_country] => US [patent_app_date] => 2021-02-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6098 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 57 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17171639 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/171639
Cooling device, a test chamber and a method Feb 8, 2021 Issued
Array ( [id] => 19021067 [patent_doc_number] => 20240077238 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-07 [patent_title] => REFRIGERATION CYCLE DEVICE [patent_app_type] => utility [patent_app_number] => 18/273777 [patent_app_country] => US [patent_app_date] => 2021-02-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11755 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 214 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18273777 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/273777
Refrigeration cycle device Feb 1, 2021 Issued
Array ( [id] => 17020361 [patent_doc_number] => 20210244232 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-12 [patent_title] => Beverage heater [patent_app_type] => utility [patent_app_number] => 17/159424 [patent_app_country] => US [patent_app_date] => 2021-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3335 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17159424 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/159424
Beverage heater Jan 26, 2021 Issued
Array ( [id] => 17762366 [patent_doc_number] => 20220235978 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-28 [patent_title] => EVAPORATOR ASSEMBLIES AND HEAT PUMP SYSTEMS INCLUDING THE SAME [patent_app_type] => utility [patent_app_number] => 17/158428 [patent_app_country] => US [patent_app_date] => 2021-01-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5156 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17158428 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/158428
Evaporator assemblies and heat pump systems including the same Jan 25, 2021 Issued
Array ( [id] => 18195205 [patent_doc_number] => 20230048724 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-16 [patent_title] => COMBINATION VALVE UNIT AND VEHICLE HEAT PUMP SYSTEM [patent_app_type] => utility [patent_app_number] => 17/788557 [patent_app_country] => US [patent_app_date] => 2021-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5285 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 51 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17788557 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/788557
Combination valve unit and vehicle heat pump system Jan 24, 2021 Issued
Array ( [id] => 17860651 [patent_doc_number] => 11441803 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-09-13 [patent_title] => HVAC system and method of circulating flammable refrigerant [patent_app_type] => utility [patent_app_number] => 17/155790 [patent_app_country] => US [patent_app_date] => 2021-01-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 6477 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [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] => 17155790 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/155790
HVAC system and method of circulating flammable refrigerant Jan 21, 2021 Issued
Array ( [id] => 19226571 [patent_doc_number] => 12006204 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-06-11 [patent_title] => Station for filling tanks of hydrogen-fuelled vehicles [patent_app_type] => utility [patent_app_number] => 17/131709 [patent_app_country] => US [patent_app_date] => 2020-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 7406 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 305 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17131709 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/131709
Station for filling tanks of hydrogen-fuelled vehicles Dec 21, 2020 Issued
Array ( [id] => 18786987 [patent_doc_number] => 20230375195 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-23 [patent_title] => Branch Unit and Air Conditioning Apparatus [patent_app_type] => utility [patent_app_number] => 18/247898 [patent_app_country] => US [patent_app_date] => 2020-12-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8306 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [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] => 18247898 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/247898
Branch Unit and Air Conditioning Apparatus Dec 8, 2020 Pending
Array ( [id] => 18917537 [patent_doc_number] => 11879812 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-23 [patent_title] => Refrigerator appliance water filter with embedded leak sensor [patent_app_type] => utility [patent_app_number] => 17/115192 [patent_app_country] => US [patent_app_date] => 2020-12-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4640 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17115192 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/115192
Refrigerator appliance water filter with embedded leak sensor Dec 7, 2020 Issued
Array ( [id] => 18315827 [patent_doc_number] => 11629901 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-04-18 [patent_title] => Thermal management systems [patent_app_type] => utility [patent_app_number] => 17/114702 [patent_app_country] => US [patent_app_date] => 2020-12-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 40 [patent_figures_cnt] => 55 [patent_no_of_words] => 34146 [patent_no_of_claims] => 36 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17114702 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/114702
Thermal management systems Dec 7, 2020 Issued
Array ( [id] => 19955882 [patent_doc_number] => 12326292 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-10 [patent_title] => Method for defrosting a thermal regulation circuit for a vehicle, in particular for a motor vehicle [patent_app_type] => utility [patent_app_number] => 17/787055 [patent_app_country] => US [patent_app_date] => 2020-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 2445 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 217 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17787055 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/787055
Method for defrosting a thermal regulation circuit for a vehicle, in particular for a motor vehicle Dec 6, 2020 Issued
Array ( [id] => 16721394 [patent_doc_number] => 20210088541 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-25 [patent_title] => Predicting Sequencer Subsystem Instability in Sequencing Systems [patent_app_type] => utility [patent_app_number] => 17/112131 [patent_app_country] => US [patent_app_date] => 2020-12-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19349 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17112131 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/112131
Predicting sequencer subsystem instability in sequencing systems Dec 3, 2020 Issued
Array ( [id] => 18755019 [patent_doc_number] => 20230358446 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-09 [patent_title] => REFRIGERATION CYCLE DEVICE [patent_app_type] => utility [patent_app_number] => 18/044844 [patent_app_country] => US [patent_app_date] => 2020-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5870 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [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] => 18044844 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/044844
REFRIGERATION CYCLE DEVICE Nov 12, 2020 Abandoned
Array ( [id] => 18072026 [patent_doc_number] => 11530857 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-12-20 [patent_title] => Air conditioning reheat systems and methods thereto [patent_app_type] => utility [patent_app_number] => 17/093868 [patent_app_country] => US [patent_app_date] => 2020-11-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 11152 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17093868 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/093868
Air conditioning reheat systems and methods thereto Nov 9, 2020 Issued
Array ( [id] => 16659111 [patent_doc_number] => 20210055748 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-02-25 [patent_title] => EXCESS FLOW AND THERMAL VALVE [patent_app_type] => utility [patent_app_number] => 17/090445 [patent_app_country] => US [patent_app_date] => 2020-11-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3457 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17090445 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/090445
Excess flow and thermal valve Nov 4, 2020 Issued
Array ( [id] => 18779957 [patent_doc_number] => 11821664 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-11-21 [patent_title] => Rotary compressor and refrigeration cycle apparatus [patent_app_type] => utility [patent_app_number] => 17/061135 [patent_app_country] => US [patent_app_date] => 2020-10-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 14 [patent_no_of_words] => 9648 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 344 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17061135 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/061135
Rotary compressor and refrigeration cycle apparatus Sep 30, 2020 Issued
Array ( [id] => 19298932 [patent_doc_number] => 20240227499 [patent_country] => US [patent_kind] => A9 [patent_issue_date] => 2024-07-11 [patent_title] => REHEATING METHOD FOR OPERATING A REFRIGERATION SYSTEM FOR A MOTOR VEHICLE, REFRIGERATION SYSTEM, AND MOTOR VEHICLE HAVING A REFRIGERATION SYSTEM OF THIS TYPE [patent_app_type] => utility [patent_app_number] => 17/768724 [patent_app_country] => US [patent_app_date] => 2020-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6245 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 17768724 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/768724
Reheating method for operating a refrigeration system for a motor vehicle, refrigeration system, and motor vehicle having a refrigeration system of this type Sep 27, 2020 Issued
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