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] => 20144791 [patent_doc_number] => 12379127 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-05 [patent_title] => Air intake and discharge sealing structures for evaporator units [patent_app_type] => utility [patent_app_number] => 18/069415 [patent_app_country] => US [patent_app_date] => 2022-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 2287 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18069415 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/069415
Air intake and discharge sealing structures for evaporator units Dec 20, 2022 Issued
Array ( [id] => 19614147 [patent_doc_number] => 20240399827 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-05 [patent_title] => ELECTRIC VEHICLE AND HEAT PUMP SYSTEM THEREOF [patent_app_type] => utility [patent_app_number] => 18/718471 [patent_app_country] => US [patent_app_date] => 2022-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4225 [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] => 18718471 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/718471
ELECTRIC VEHICLE AND HEAT PUMP SYSTEM THEREOF Dec 11, 2022 Pending
Array ( [id] => 18295011 [patent_doc_number] => 20230104697 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-06 [patent_title] => VEHICLE AIR CONDITIONING SYSTEM [patent_app_type] => utility [patent_app_number] => 18/062790 [patent_app_country] => US [patent_app_date] => 2022-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 22602 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 397 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18062790 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/062790
Vehicle air conditioning system Dec 6, 2022 Issued
Array ( [id] => 19922375 [patent_doc_number] => 12296642 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-13 [patent_title] => Vehicle air conditioning system [patent_app_type] => utility [patent_app_number] => 18/062697 [patent_app_country] => US [patent_app_date] => 2022-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 38 [patent_no_of_words] => 16579 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 465 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18062697 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/062697
Vehicle air conditioning system Dec 6, 2022 Issued
Array ( [id] => 20607707 [patent_doc_number] => 12583290 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-24 [patent_title] => 3-way valve and heat pump system using same [patent_app_type] => utility [patent_app_number] => 18/564225 [patent_app_country] => US [patent_app_date] => 2022-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 11 [patent_no_of_words] => 0 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 231 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18564225 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/564225
3-way valve and heat pump system using same Dec 6, 2022 Issued
Array ( [id] => 18779946 [patent_doc_number] => 11821653 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-11-21 [patent_title] => Air conditioner including a plurality of evaporative cooling units [patent_app_type] => utility [patent_app_number] => 18/071336 [patent_app_country] => US [patent_app_date] => 2022-11-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 24 [patent_no_of_words] => 12488 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18071336 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/071336
Air conditioner including a plurality of evaporative cooling units Nov 28, 2022 Issued
Array ( [id] => 19242732 [patent_doc_number] => 12013160 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-06-18 [patent_title] => Expansion valve performance monitoring in refrigeration system [patent_app_type] => utility [patent_app_number] => 17/994484 [patent_app_country] => US [patent_app_date] => 2022-11-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 7101 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 192 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17994484 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/994484
Expansion valve performance monitoring in refrigeration system Nov 27, 2022 Issued
Array ( [id] => 18270216 [patent_doc_number] => 20230091458 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-23 [patent_title] => REFRIGERATION CYCLE DEVICE [patent_app_type] => utility [patent_app_number] => 18/070060 [patent_app_country] => US [patent_app_date] => 2022-11-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17016 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 179 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18070060 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/070060
Refrigeration cycle device Nov 27, 2022 Issued
Array ( [id] => 20756599 [patent_doc_number] => 12649354 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-06-09 [patent_title] => Electric compressor and control method thereof [patent_app_type] => utility [patent_app_number] => 18/579960 [patent_app_country] => US [patent_app_date] => 2022-11-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 0 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18579960 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/579960
Electric compressor and control method thereof Nov 24, 2022 Issued
Array ( [id] => 18390643 [patent_doc_number] => 20230158861 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-25 [patent_title] => CLIMATE CONTROL SYSTEM WITH A CONTROLLED EJECTOR [patent_app_type] => utility [patent_app_number] => 17/993030 [patent_app_country] => US [patent_app_date] => 2022-11-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4335 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17993030 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/993030
Climate control system with a controlled ejector Nov 22, 2022 Issued
Array ( [id] => 18282357 [patent_doc_number] => 20230097829 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-30 [patent_title] => REFRIGERATION CYCLE APPARATUS [patent_app_type] => utility [patent_app_number] => 17/991204 [patent_app_country] => US [patent_app_date] => 2022-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 100451 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 32 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17991204 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/991204
REFRIGERATION CYCLE APPARATUS Nov 20, 2022 Abandoned
Array ( [id] => 18257709 [patent_doc_number] => 20230084749 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-16 [patent_title] => COOLING SYSTEM AND COOLING METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 17/988208 [patent_app_country] => US [patent_app_date] => 2022-11-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15144 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17988208 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/988208
COOLING SYSTEM AND COOLING METHOD THEREOF Nov 15, 2022 Abandoned
Array ( [id] => 18239071 [patent_doc_number] => 20230071382 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-09 [patent_title] => AIR CONDITIONING REHEAT SYSTEMS AND METHODS THERETO [patent_app_type] => utility [patent_app_number] => 17/985390 [patent_app_country] => US [patent_app_date] => 2022-11-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11180 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17985390 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/985390
Air conditioning reheat systems and methods thereto Nov 10, 2022 Issued
Array ( [id] => 19616178 [patent_doc_number] => 20240401858 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-05 [patent_title] => DETECTING CONTAMINATION OF A CRYOGENIC REFRIGERANT IN A CRYOGENIC REFRIGERATION SYSTEM [patent_app_type] => utility [patent_app_number] => 18/696108 [patent_app_country] => US [patent_app_date] => 2022-10-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5327 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 18696108 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/696108
DETECTING CONTAMINATION OF A CRYOGENIC REFRIGERANT IN A CRYOGENIC REFRIGERATION SYSTEM Oct 27, 2022 Pending
Array ( [id] => 18375260 [patent_doc_number] => 20230150340 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-18 [patent_title] => VEHICLE POWER MANAGEMENT SYSTEM [patent_app_type] => utility [patent_app_number] => 17/971068 [patent_app_country] => US [patent_app_date] => 2022-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12653 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17971068 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/971068
Vehicle power management system Oct 20, 2022 Issued
Array ( [id] => 18333932 [patent_doc_number] => 20230125880 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-27 [patent_title] => USER INTERFACES AND CONTROLS FOR HVAC SYSTEM [patent_app_type] => utility [patent_app_number] => 17/971089 [patent_app_country] => US [patent_app_date] => 2022-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15480 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17971089 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/971089
USER INTERFACES AND CONTROLS FOR HVAC SYSTEM Oct 20, 2022 Abandoned
Array ( [id] => 18406657 [patent_doc_number] => 20230168008 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-01 [patent_title] => DUAL LOOP BLENDED COOLING [patent_app_type] => utility [patent_app_number] => 18/048318 [patent_app_country] => US [patent_app_date] => 2022-10-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7206 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18048318 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/048318
Dual loop blended cooling Oct 19, 2022 Issued
Array ( [id] => 19113769 [patent_doc_number] => 20240125519 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-18 [patent_title] => CASCADE COLD CLIMATE HEAT PUMP SYSTEM [patent_app_type] => utility [patent_app_number] => 18/045895 [patent_app_country] => US [patent_app_date] => 2022-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17033 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18045895 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/045895
CASCADE COLD CLIMATE HEAT PUMP SYSTEM Oct 11, 2022 Abandoned
Array ( [id] => 19077313 [patent_doc_number] => 11946669 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-04-02 [patent_title] => Polymodal heat pump [patent_app_type] => utility [patent_app_number] => 17/955232 [patent_app_country] => US [patent_app_date] => 2022-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 1716 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 201 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17955232 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/955232
Polymodal heat pump Sep 27, 2022 Issued
Array ( [id] => 18364100 [patent_doc_number] => 20230145691 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-11 [patent_title] => Cooling System And Laboratory Instrument Having A Cooling System [patent_app_type] => utility [patent_app_number] => 17/936108 [patent_app_country] => US [patent_app_date] => 2022-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 28669 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 17936108 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/936108
Cooling system and laboratory instrument having a cooling system Sep 27, 2022 Issued
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