Search

Qi Han

Examiner (ID: 836)

Most Active Art Unit
2659
Art Unit(s)
2659, 2654, 2626
Total Applications
1028
Issued Applications
821
Pending Applications
32
Abandoned Applications
182

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18771778 [patent_doc_number] => 20230366599 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-16 [patent_title] => A HEAT PUMP SYSTEM [patent_app_type] => utility [patent_app_number] => 18/028723 [patent_app_country] => US [patent_app_date] => 2021-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 22025 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 207 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18028723 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/028723
A HEAT PUMP SYSTEM Sep 28, 2021 Pending
Array ( [id] => 19166581 [patent_doc_number] => 11982476 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-05-14 [patent_title] => Apparatus and process for amateur HVAC installation [patent_app_type] => utility [patent_app_number] => 17/475882 [patent_app_country] => US [patent_app_date] => 2021-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 25 [patent_figures_cnt] => 27 [patent_no_of_words] => 11486 [patent_no_of_claims] => 17 [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] => 17475882 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/475882
Apparatus and process for amateur HVAC installation Sep 14, 2021 Issued
Array ( [id] => 18674816 [patent_doc_number] => 20230312326 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-05 [patent_title] => DEVICE FOR COOLING A BEVERAGE COMPRISING A PRIMARY AND A SECONDARY COOLING CIRCUIT [patent_app_type] => utility [patent_app_number] => 18/022680 [patent_app_country] => US [patent_app_date] => 2021-09-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10189 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 198 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18022680 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/022680
Device for cooling a beverage comprising a primary and a secondary cooling circuit Sep 2, 2021 Issued
Array ( [id] => 18237876 [patent_doc_number] => 20230070186 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-09 [patent_title] => HOT GAS DEFROST USING DEDICATED LOW TEMPERATURE COMPRESSOR DISCHARGE [patent_app_type] => utility [patent_app_number] => 17/466017 [patent_app_country] => US [patent_app_date] => 2021-09-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7205 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17466017 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/466017
Hot gas defrost using dedicated low temperature compressor discharge Sep 2, 2021 Issued
Array ( [id] => 19932697 [patent_doc_number] => 12305899 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-20 [patent_title] => Air conditioner [patent_app_type] => utility [patent_app_number] => 18/022873 [patent_app_country] => US [patent_app_date] => 2021-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 2377 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 349 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18022873 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/022873
Air conditioner Aug 26, 2021 Issued
Array ( [id] => 20241842 [patent_doc_number] => 12422152 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-23 [patent_title] => Heat exchanger, electric control box and air conditioning system [patent_app_type] => utility [patent_app_number] => 17/922376 [patent_app_country] => US [patent_app_date] => 2021-08-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 33 [patent_no_of_words] => 22347 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 180 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17922376 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/922376
Heat exchanger, electric control box and air conditioning system Aug 22, 2021 Issued
Array ( [id] => 18196039 [patent_doc_number] => 20230049558 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-16 [patent_title] => Open Cycle Cooling System [patent_app_type] => utility [patent_app_number] => 17/402250 [patent_app_country] => US [patent_app_date] => 2021-08-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4677 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17402250 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/402250
Open cycle cooling system Aug 12, 2021 Issued
Array ( [id] => 19091804 [patent_doc_number] => 11953246 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-09 [patent_title] => Compression apparatus [patent_app_type] => utility [patent_app_number] => 18/246747 [patent_app_country] => US [patent_app_date] => 2021-08-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 9132 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18246747 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/246747
Compression apparatus Aug 5, 2021 Issued
Array ( [id] => 20594420 [patent_doc_number] => 12578127 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-17 [patent_title] => Cooling systems [patent_app_type] => utility [patent_app_number] => 18/568543 [patent_app_country] => US [patent_app_date] => 2021-07-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 1154 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18568543 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/568543
Cooling systems Jul 29, 2021 Issued
Array ( [id] => 18746505 [patent_doc_number] => 11805789 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-11-07 [patent_title] => Frozen product machine [patent_app_type] => utility [patent_app_number] => 17/387839 [patent_app_country] => US [patent_app_date] => 2021-07-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 6930 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [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] => 17387839 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/387839
Frozen product machine Jul 27, 2021 Issued
Array ( [id] => 19395870 [patent_doc_number] => 12070198 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-08-27 [patent_title] => Specimen freezing rate regulator device [patent_app_type] => utility [patent_app_number] => 17/443728 [patent_app_country] => US [patent_app_date] => 2021-07-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4622 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 182 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17443728 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/443728
Specimen freezing rate regulator device Jul 26, 2021 Issued
Array ( [id] => 18150581 [patent_doc_number] => 20230024439 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-26 [patent_title] => AIR CONDITIONER UNIT AND METHODS OF OPERATION [patent_app_type] => utility [patent_app_number] => 17/383578 [patent_app_country] => US [patent_app_date] => 2021-07-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7376 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 17383578 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/383578
Air conditioner unit and methods of operation Jul 22, 2021 Issued
Array ( [id] => 18726895 [patent_doc_number] => 20230341176 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-26 [patent_title] => REFRIGERATOR PRESERVATION CONTROL METHOD AND REFRIGERATOR [patent_app_type] => utility [patent_app_number] => 18/013643 [patent_app_country] => US [patent_app_date] => 2021-07-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5670 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18013643 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/013643
REFRIGERATOR PRESERVATION CONTROL METHOD AND REFRIGERATOR Jul 8, 2021 Abandoned
Array ( [id] => 20187825 [patent_doc_number] => 12398933 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-26 [patent_title] => Chiller [patent_app_type] => utility [patent_app_number] => 18/005518 [patent_app_country] => US [patent_app_date] => 2021-07-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3609 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 205 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18005518 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/005518
Chiller Jul 7, 2021 Issued
Array ( [id] => 19346237 [patent_doc_number] => 20240255200 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-01 [patent_title] => ACCUMULATOR AND REFRIGERATION CYCLE APPARATUS [patent_app_type] => utility [patent_app_number] => 18/561074 [patent_app_country] => US [patent_app_date] => 2021-07-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7366 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18561074 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/561074
ACCUMULATOR AND REFRIGERATION CYCLE APPARATUS Jul 6, 2021 Abandoned
Array ( [id] => 19151946 [patent_doc_number] => 11976852 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-05-07 [patent_title] => Air conditioner and cut-off valve [patent_app_type] => utility [patent_app_number] => 17/365317 [patent_app_country] => US [patent_app_date] => 2021-07-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 9653 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 424 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17365317 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/365317
Air conditioner and cut-off valve Jun 30, 2021 Issued
Array ( [id] => 18605594 [patent_doc_number] => 11747051 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-09-05 [patent_title] => Cooling device, electronic apparatus, and cooling method [patent_app_type] => utility [patent_app_number] => 17/363296 [patent_app_country] => US [patent_app_date] => 2021-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5655 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 222 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17363296 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/363296
Cooling device, electronic apparatus, and cooling method Jun 29, 2021 Issued
Array ( [id] => 18591101 [patent_doc_number] => 11739989 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-29 [patent_title] => Cooling system with a distribution system and a cooling unit [patent_app_type] => utility [patent_app_number] => 17/640117 [patent_app_country] => US [patent_app_date] => 2021-06-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 20821 [patent_no_of_claims] => 31 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 185 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17640117 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/640117
Cooling system with a distribution system and a cooling unit Jun 22, 2021 Issued
Array ( [id] => 18086375 [patent_doc_number] => 11536503 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-12-27 [patent_title] => Refrigerated container refrigeration system capable of preventing freezing of container door [patent_app_type] => utility [patent_app_number] => 17/344916 [patent_app_country] => US [patent_app_date] => 2021-06-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 8981 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 1563 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17344916 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/344916
Refrigerated container refrigeration system capable of preventing freezing of container door Jun 9, 2021 Issued
Array ( [id] => 19021065 [patent_doc_number] => 20240077236 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-07 [patent_title] => Environmental Air Conditioning and Heating Plant [patent_app_type] => utility [patent_app_number] => 18/261900 [patent_app_country] => US [patent_app_date] => 2021-05-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3465 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 262 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18261900 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/261900
Environmental Air Conditioning and Heating Plant May 30, 2021 Abandoned
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