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] => 20186513 [patent_doc_number] => 12397617 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-26 [patent_title] => Refrigeration system having a heat pump function for a motor vehicle, having a single sensor device on the low-pressure side [patent_app_type] => utility [patent_app_number] => 18/042821 [patent_app_country] => US [patent_app_date] => 2021-11-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 0 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 183 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18042821 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/042821
Refrigeration system having a heat pump function for a motor vehicle, having a single sensor device on the low-pressure side Nov 9, 2021 Issued
Array ( [id] => 17445009 [patent_doc_number] => 20220065514 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-03 [patent_title] => DIRECT COOLING ICE MAKER [patent_app_type] => utility [patent_app_number] => 17/523245 [patent_app_country] => US [patent_app_date] => 2021-11-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14705 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 17523245 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/523245
Direct cooling ice maker Nov 9, 2021 Issued
Array ( [id] => 18794080 [patent_doc_number] => 11827835 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-11-28 [patent_title] => Refrigerant compositions and use thereof in systems using flooded evaporators [patent_app_type] => utility [patent_app_number] => 17/518769 [patent_app_country] => US [patent_app_date] => 2021-11-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 21106 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17518769 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/518769
Refrigerant compositions and use thereof in systems using flooded evaporators Nov 3, 2021 Issued
Array ( [id] => 20579319 [patent_doc_number] => 12571565 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-10 [patent_title] => CO [patent_app_type] => utility [patent_app_number] => 18/249141 [patent_app_country] => US [patent_app_date] => 2021-10-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 14175 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 174 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18249141 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/249141
CO Oct 17, 2021 Issued
Array ( [id] => 19180518 [patent_doc_number] => 11987096 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-05-21 [patent_title] => Indirect heat pump system [patent_app_type] => utility [patent_app_number] => 18/257008 [patent_app_country] => US [patent_app_date] => 2021-10-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 9551 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 638 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18257008 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/257008
Indirect heat pump system Oct 13, 2021 Issued
Array ( [id] => 17440768 [patent_doc_number] => 20220061273 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-03 [patent_title] => SYSTEM FOR ZONED-BASED SOLAR HEATING AND VENTILATION OF POULTRY STRUCTURES [patent_app_type] => utility [patent_app_number] => 17/500815 [patent_app_country] => US [patent_app_date] => 2021-10-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9099 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17500815 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/500815
SYSTEM FOR ZONED-BASED SOLAR HEATING AND VENTILATION OF POULTRY STRUCTURES Oct 12, 2021 Abandoned
Array ( [id] => 19871978 [patent_doc_number] => 12264831 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-01 [patent_title] => Defrosting control method and device, and multi-split air conditioner [patent_app_type] => utility [patent_app_number] => 18/014892 [patent_app_country] => US [patent_app_date] => 2021-10-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 3038 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 314 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18014892 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/014892
Defrosting control method and device, and multi-split air conditioner Oct 10, 2021 Issued
Array ( [id] => 18560599 [patent_doc_number] => 11725835 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-15 [patent_title] => Energy efficient and refrigerant-free air cooler [patent_app_type] => utility [patent_app_number] => 17/485441 [patent_app_country] => US [patent_app_date] => 2021-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 6671 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 331 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17485441 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/485441
Energy efficient and refrigerant-free air cooler Sep 25, 2021 Issued
Array ( [id] => 19368945 [patent_doc_number] => 12061023 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-08-13 [patent_title] => Water-based refrigerant for a thermal working machine and thermal working machine having such a refrigerant [patent_app_type] => utility [patent_app_number] => 17/474320 [patent_app_country] => US [patent_app_date] => 2021-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 10518 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17474320 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/474320
Water-based refrigerant for a thermal working machine and thermal working machine having such a refrigerant Sep 13, 2021 Issued
Array ( [id] => 18385238 [patent_doc_number] => 11656012 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-05-23 [patent_title] => Cooling system with vertical alignment [patent_app_type] => utility [patent_app_number] => 17/471517 [patent_app_country] => US [patent_app_date] => 2021-09-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 5 [patent_no_of_words] => 5791 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 203 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17471517 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/471517
Cooling system with vertical alignment Sep 9, 2021 Issued
Array ( [id] => 18911060 [patent_doc_number] => 11874035 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-16 [patent_title] => Parallel flow expansion for pressure and superheat control [patent_app_type] => utility [patent_app_number] => 17/465626 [patent_app_country] => US [patent_app_date] => 2021-09-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 5036 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 198 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17465626 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/465626
Parallel flow expansion for pressure and superheat control Sep 1, 2021 Issued
Array ( [id] => 18370466 [patent_doc_number] => 11650638 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-05-16 [patent_title] => Dual redundant cooling system for a container [patent_app_type] => utility [patent_app_number] => 17/464112 [patent_app_country] => US [patent_app_date] => 2021-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 6169 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17464112 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/464112
Dual redundant cooling system for a container Aug 31, 2021 Issued
Array ( [id] => 18437175 [patent_doc_number] => 20230184469 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-15 [patent_title] => HEAT PUMP DEVICE [patent_app_type] => utility [patent_app_number] => 17/790105 [patent_app_country] => US [patent_app_date] => 2021-08-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6488 [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] => 17790105 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/790105
Heat pump device Aug 23, 2021 Issued
Array ( [id] => 17445003 [patent_doc_number] => 20220065508 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-03 [patent_title] => REFRIGERANT REGENERATING APPARATUS [patent_app_type] => utility [patent_app_number] => 17/410067 [patent_app_country] => US [patent_app_date] => 2021-08-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8222 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17410067 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/410067
Refrigerant regenerating apparatus Aug 23, 2021 Issued
Array ( [id] => 17628223 [patent_doc_number] => 20220163238 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-26 [patent_title] => REFRIGERATOR [patent_app_type] => utility [patent_app_number] => 17/410431 [patent_app_country] => US [patent_app_date] => 2021-08-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4905 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 17410431 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/410431
Refrigerator Aug 23, 2021 Issued
Array ( [id] => 17429418 [patent_doc_number] => 20220057127 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-24 [patent_title] => VAPOR CYCLE COOLING SYSTEM FOR HIGH POWERED DEVICES [patent_app_type] => utility [patent_app_number] => 17/445226 [patent_app_country] => US [patent_app_date] => 2021-08-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9867 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17445226 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/445226
Vapor cycle cooling system for high powered devices Aug 16, 2021 Issued
Array ( [id] => 17259689 [patent_doc_number] => 20210372674 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-02 [patent_title] => Compressor Protection Against Liquid Slug [patent_app_type] => utility [patent_app_number] => 17/396813 [patent_app_country] => US [patent_app_date] => 2021-08-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5475 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17396813 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/396813
Compressor Protection Against Liquid Slug Aug 8, 2021 Abandoned
Array ( [id] => 18135376 [patent_doc_number] => 11561036 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-01-24 [patent_title] => Thermal management systems [patent_app_type] => utility [patent_app_number] => 17/394551 [patent_app_country] => US [patent_app_date] => 2021-08-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 29 [patent_no_of_words] => 19268 [patent_no_of_claims] => 35 [patent_no_of_ind_claims] => 2 [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] => 17394551 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/394551
Thermal management systems Aug 4, 2021 Issued
Array ( [id] => 19916858 [patent_doc_number] => 12292218 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-06 [patent_title] => Reservoir tank, cooling device, and projector [patent_app_type] => utility [patent_app_number] => 17/388451 [patent_app_country] => US [patent_app_date] => 2021-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 35 [patent_figures_cnt] => 36 [patent_no_of_words] => 4186 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17388451 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/388451
Reservoir tank, cooling device, and projector Jul 28, 2021 Issued
Array ( [id] => 19312392 [patent_doc_number] => 12038198 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-16 [patent_title] => Systems and methods for providing cooling to a heat load [patent_app_type] => utility [patent_app_number] => 17/305681 [patent_app_country] => US [patent_app_date] => 2021-07-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 30039 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 213 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17305681 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/305681
Systems and methods for providing cooling to a heat load Jul 12, 2021 Issued
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