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] => 17946824 [patent_doc_number] => 20220333843 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-20 [patent_title] => THREE-PIPE MULTI-SPLIT AIR CONDITIONING SYSTEM AND CONTROL METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 17/718864 [patent_app_country] => US [patent_app_date] => 2022-04-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3608 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 180 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17718864 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/718864
THREE-PIPE MULTI-SPLIT AIR CONDITIONING SYSTEM AND CONTROL METHOD THEREOF Apr 11, 2022 Abandoned
Array ( [id] => 19839143 [patent_doc_number] => 12251502 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-03-18 [patent_title] => Ultraviolet light radiation disinfection fixture [patent_app_type] => utility [patent_app_number] => 17/711636 [patent_app_country] => US [patent_app_date] => 2022-04-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 56 [patent_figures_cnt] => 57 [patent_no_of_words] => 11251 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 316 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17711636 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/711636
Ultraviolet light radiation disinfection fixture Mar 31, 2022 Issued
Array ( [id] => 19840895 [patent_doc_number] => 12253277 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-03-18 [patent_title] => Air conditioner [patent_app_type] => utility [patent_app_number] => 17/704250 [patent_app_country] => US [patent_app_date] => 2022-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 12850 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 308 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17704250 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/704250
Air conditioner Mar 24, 2022 Issued
Array ( [id] => 20315625 [patent_doc_number] => 12454165 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-28 [patent_title] => Vehicle air conditioning apparatus [patent_app_type] => utility [patent_app_number] => 18/281369 [patent_app_country] => US [patent_app_date] => 2022-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 5913 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 261 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18281369 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/281369
Vehicle air conditioning apparatus Mar 21, 2022 Issued
Array ( [id] => 19171788 [patent_doc_number] => 20240157762 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-16 [patent_title] => THERMAL CONDITIONING CIRCUIT [patent_app_type] => utility [patent_app_number] => 18/550296 [patent_app_country] => US [patent_app_date] => 2022-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5564 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 173 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18550296 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/550296
THERMAL CONDITIONING CIRCUIT Mar 14, 2022 Pending
Array ( [id] => 20016932 [patent_doc_number] => 20250155154 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-15 [patent_title] => AIR-CONDITIONING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/839447 [patent_app_country] => US [patent_app_date] => 2022-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6708 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 350 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18839447 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/839447
AIR-CONDITIONING APPARATUS Mar 13, 2022 Pending
Array ( [id] => 17852858 [patent_doc_number] => 20220282900 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-08 [patent_title] => NO-FROST HEAT PUMP [patent_app_type] => utility [patent_app_number] => 17/684478 [patent_app_country] => US [patent_app_date] => 2022-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2615 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -23 [patent_words_short_claim] => 205 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17684478 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/684478
No-frost heat pump Mar 1, 2022 Issued
Array ( [id] => 20804356 [patent_doc_number] => 12669258 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-06-30 [patent_title] => Control device and air conditioner with simplified installation complexity [patent_app_type] => utility [patent_app_number] => 18/274459 [patent_app_country] => US [patent_app_date] => 2022-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 11 [patent_no_of_words] => 2325 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 211 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18274459 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/274459
Control device and air conditioner with simplified installation complexity Feb 13, 2022 Issued
Array ( [id] => 17831192 [patent_doc_number] => 20220268496 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-25 [patent_title] => REVERSIBLE HEAT PUMP [patent_app_type] => utility [patent_app_number] => 17/668109 [patent_app_country] => US [patent_app_date] => 2022-02-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10142 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 282 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17668109 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/668109
Reversible heat pump Feb 8, 2022 Issued
Array ( [id] => 17612722 [patent_doc_number] => 20220155001 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-19 [patent_title] => REFRIGERATOR [patent_app_type] => utility [patent_app_number] => 17/665936 [patent_app_country] => US [patent_app_date] => 2022-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16194 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17665936 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/665936
Refrigerator Feb 6, 2022 Issued
Array ( [id] => 17793235 [patent_doc_number] => 20220252326 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-11 [patent_title] => DEFROSTING CONTROL METHOD, CENTRAL CONTROLLER AND HEATING SYSTEM [patent_app_type] => utility [patent_app_number] => 17/589282 [patent_app_country] => US [patent_app_date] => 2022-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7244 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17589282 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/589282
Defrosting control method, central controller and heating system Jan 30, 2022 Issued
Array ( [id] => 18605606 [patent_doc_number] => 11747063 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-09-05 [patent_title] => Heat exchanger assembly with valve [patent_app_type] => utility [patent_app_number] => 17/580600 [patent_app_country] => US [patent_app_date] => 2022-01-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 13 [patent_no_of_words] => 3916 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 191 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17580600 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/580600
Heat exchanger assembly with valve Jan 19, 2022 Issued
Array ( [id] => 18845753 [patent_doc_number] => 20230408157 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-21 [patent_title] => COMBINATION OF A REFRIGERANT ACCUMULATOR AND AN INTERNAL HEAT EXCHANGER FOR REFRIGERANT, CONNECTION COMPONENT, INTERNAL HEAT EXCHANGER AND ACCUMULATOR [patent_app_type] => utility [patent_app_number] => 18/247683 [patent_app_country] => US [patent_app_date] => 2022-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2885 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 18247683 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/247683
Combination of a refrigerant accumulator and an internal heat exchanger for refrigerant, connection component, internal heat exchanger and accumulator Jan 18, 2022 Issued
Array ( [id] => 17579888 [patent_doc_number] => 20220136743 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-05 [patent_title] => THERMOELEMENT HEAT EXCHANGE MODULE [patent_app_type] => utility [patent_app_number] => 17/648392 [patent_app_country] => US [patent_app_date] => 2022-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4269 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [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] => 17648392 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/648392
Thermoelement heat exchange module Jan 18, 2022 Issued
Array ( [id] => 18996845 [patent_doc_number] => 11913680 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-02-27 [patent_title] => Heat pump system [patent_app_type] => utility [patent_app_number] => 17/573947 [patent_app_country] => US [patent_app_date] => 2022-01-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 3696 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 354 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17573947 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/573947
Heat pump system Jan 11, 2022 Issued
Array ( [id] => 19397775 [patent_doc_number] => 12072129 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-08-27 [patent_title] => Indoor unit of refrigeration apparatus [patent_app_type] => utility [patent_app_number] => 17/573043 [patent_app_country] => US [patent_app_date] => 2022-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 11 [patent_no_of_words] => 6093 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 177 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17573043 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/573043
Indoor unit of refrigeration apparatus Jan 10, 2022 Issued
Array ( [id] => 17564128 [patent_doc_number] => 20220128277 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-28 [patent_title] => REFRIGERATION CYCLE SYSTEM [patent_app_type] => utility [patent_app_number] => 17/569034 [patent_app_country] => US [patent_app_date] => 2022-01-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11989 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 193 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17569034 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/569034
Refrigeration cycle system Jan 4, 2022 Issued
Array ( [id] => 17534464 [patent_doc_number] => 20220113073 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-14 [patent_title] => TEMPERATURE REGULATING REFRIGERATION SYSTEMS FOR VARYING LOADS [patent_app_type] => utility [patent_app_number] => 17/559910 [patent_app_country] => US [patent_app_date] => 2021-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6267 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 17559910 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/559910
Temperature regulating refrigeration systems for varying loads Dec 21, 2021 Issued
Array ( [id] => 17946582 [patent_doc_number] => 20220333601 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-20 [patent_title] => ACCUMULATOR FOR COMPRESSOR AND COMPRESSOR WITH ACCUMULATOR [patent_app_type] => utility [patent_app_number] => 17/558843 [patent_app_country] => US [patent_app_date] => 2021-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14593 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [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] => 17558843 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/558843
ACCUMULATOR FOR COMPRESSOR AND COMPRESSOR WITH ACCUMULATOR Dec 21, 2021 Abandoned
Array ( [id] => 19724943 [patent_doc_number] => 20250027694 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-23 [patent_title] => REFRIGERATION CYCLE APPARATUS [patent_app_type] => utility [patent_app_number] => 18/714390 [patent_app_country] => US [patent_app_date] => 2021-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5413 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -1 [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] => 18714390 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/714390
REFRIGERATION CYCLE APPARATUS Dec 21, 2021 Pending
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