
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 number | Title of the application | Filing Date | Status |
|---|---|---|---|
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
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[patent_app_country] => US
[patent_app_date] => 2021-09-29
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Array
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[patent_issue_date] => 2024-05-14
[patent_title] => Apparatus and process for amateur HVAC installation
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Array
(
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[patent_doc_number] => 20230312326
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[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
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[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
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[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
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[patent_issue_date] => 2025-05-20
[patent_title] => Air conditioner
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Array
(
[id] => 20241842
[patent_doc_number] => 12422152
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[patent_issue_date] => 2025-09-23
[patent_title] => Heat exchanger, electric control box and air conditioning system
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Array
(
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[patent_doc_number] => 20230049558
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[patent_issue_date] => 2023-02-16
[patent_title] => Open Cycle Cooling System
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[rel_patent_id] =>[rel_patent_doc_number] =>) 17/402250 | Open cycle cooling system | Aug 12, 2021 | Issued |
Array
(
[id] => 19091804
[patent_doc_number] => 11953246
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[patent_issue_date] => 2024-04-09
[patent_title] => Compression apparatus
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[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
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Array
(
[id] => 18746505
[patent_doc_number] => 11805789
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[patent_issue_date] => 2023-11-07
[patent_title] => Frozen product machine
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[rel_patent_id] =>[rel_patent_doc_number] =>) 17/387839 | Frozen product machine | Jul 27, 2021 | Issued |
Array
(
[id] => 19395870
[patent_doc_number] => 12070198
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[patent_kind] => B2
[patent_issue_date] => 2024-08-27
[patent_title] => Specimen freezing rate regulator device
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Array
(
[id] => 18150581
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[patent_title] => AIR CONDITIONER UNIT AND METHODS OF OPERATION
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Array
(
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Array
(
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Array
(
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[patent_title] => ACCUMULATOR AND REFRIGERATION CYCLE APPARATUS
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Array
(
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Array
(
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[patent_title] => Cooling device, electronic apparatus, and cooling method
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Array
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Array
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