Search

Chun Cao

Examiner (ID: 9798, Phone: (571)272-3664 , Office: P/2115 )

Most Active Art Unit
2115
Art Unit(s)
2782, 2185, 2115, 2182
Total Applications
1728
Issued Applications
1413
Pending Applications
106
Abandoned Applications
223

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 17112855 [patent_doc_number] => 20210293452 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-23 [patent_title] => WALL MOUNTED, CONCEALED, WATER-TO-WATER, WATER SOURCE HEAT PUMP WITH DOMESTIC HOT WATER HEAT EXCHANGER AND STORAGE TANK [patent_app_type] => utility [patent_app_number] => 17/340042 [patent_app_country] => US [patent_app_date] => 2021-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5038 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [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] => 17340042 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/340042
Wall mounted, concealed, water-to-water, water source heat pump with domestic hot water heat exchanger and storage tank Jun 5, 2021 Issued
Array ( [id] => 19165670 [patent_doc_number] => 11981556 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-05-14 [patent_title] => Cooled beverage dispensing systems and associated devices [patent_app_type] => utility [patent_app_number] => 17/318932 [patent_app_country] => US [patent_app_date] => 2021-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 13 [patent_no_of_words] => 6726 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17318932 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/318932
Cooled beverage dispensing systems and associated devices May 11, 2021 Issued
Array ( [id] => 20143383 [patent_doc_number] => 12377705 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-05 [patent_title] => Air conditioning unit [patent_app_type] => utility [patent_app_number] => 17/998623 [patent_app_country] => US [patent_app_date] => 2021-05-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 20 [patent_no_of_words] => 1227 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17998623 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/998623
Air conditioning unit May 2, 2021 Issued
Array ( [id] => 17983594 [patent_doc_number] => 20220349630 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-03 [patent_title] => Mechanical Device for Regulating Operating Sequence of Parallel Heat Pump Systems [patent_app_type] => utility [patent_app_number] => 17/245337 [patent_app_country] => US [patent_app_date] => 2021-04-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2119 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17245337 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/245337
Mechanical Device for Regulating Operating Sequence of Parallel Heat Pump Systems Apr 29, 2021 Abandoned
Array ( [id] => 19158735 [patent_doc_number] => 20240151442 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-09 [patent_title] => REFRIGERATION CYCLE APPARATUS [patent_app_type] => utility [patent_app_number] => 18/549955 [patent_app_country] => US [patent_app_date] => 2021-04-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8184 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [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] => 18549955 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/549955
REFRIGERATION CYCLE APPARATUS Apr 21, 2021 Pending
Array ( [id] => 17142695 [patent_doc_number] => 20210310707 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-07 [patent_title] => EXPANSION VALVE WITH SELECTABLE OPERATION MODES [patent_app_type] => utility [patent_app_number] => 17/233884 [patent_app_country] => US [patent_app_date] => 2021-04-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6940 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 187 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17233884 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/233884
Expansion valve with selectable operation modes Apr 18, 2021 Issued
Array ( [id] => 18389110 [patent_doc_number] => 20230157328 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-25 [patent_title] => METHOD AND APPARATUS FOR FREEZING CONSUMABLE PRODUCTS [patent_app_type] => utility [patent_app_number] => 17/917478 [patent_app_country] => US [patent_app_date] => 2021-04-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7799 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17917478 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/917478
Method and apparatus for freezing consumable products Apr 5, 2021 Issued
Array ( [id] => 18800383 [patent_doc_number] => 11833529 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-12-05 [patent_title] => Efficient showerhead with purge outlet [patent_app_type] => utility [patent_app_number] => 17/222990 [patent_app_country] => US [patent_app_date] => 2021-04-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 4053 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [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] => 17222990 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/222990
Efficient showerhead with purge outlet Apr 4, 2021 Issued
Array ( [id] => 17914381 [patent_doc_number] => 20220316776 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-06 [patent_title] => STEPPER MOTOR CONTROL VALVES FOR REFRIGERANT EXPANSION AND/OR SYSTEM CONTROLS [patent_app_type] => utility [patent_app_number] => 17/220237 [patent_app_country] => US [patent_app_date] => 2021-04-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3840 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17220237 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/220237
Stepper motor control valves for refrigerant expansion and/or system controls Mar 31, 2021 Issued
Array ( [id] => 16948828 [patent_doc_number] => 20210207519 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-08 [patent_title] => VEHICLE THERMAL ENERGY CONTROL SYSTEM [patent_app_type] => utility [patent_app_number] => 17/206641 [patent_app_country] => US [patent_app_date] => 2021-03-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6493 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 59 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17206641 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/206641
Vehicle thermal energy control system Mar 18, 2021 Issued
Array ( [id] => 16914941 [patent_doc_number] => 20210188033 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-24 [patent_title] => ELEMENT FOR COOLING THE AIR OF A MOTOR VEHICLE [patent_app_type] => utility [patent_app_number] => 17/186554 [patent_app_country] => US [patent_app_date] => 2021-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2855 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 17186554 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/186554
Element for cooling the air of a motor vehicle Mar 11, 2021 Issued
Array ( [id] => 19368944 [patent_doc_number] => 12061022 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-08-13 [patent_title] => Magnetic freezing apparatus [patent_app_type] => utility [patent_app_number] => 17/194064 [patent_app_country] => US [patent_app_date] => 2021-03-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 22 [patent_no_of_words] => 15026 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 255 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17194064 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/194064
Magnetic freezing apparatus Mar 4, 2021 Issued
Array ( [id] => 18479008 [patent_doc_number] => 11692742 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-07-04 [patent_title] => Thermal management systems [patent_app_type] => utility [patent_app_number] => 17/189410 [patent_app_country] => US [patent_app_date] => 2021-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 25 [patent_no_of_words] => 21450 [patent_no_of_claims] => 51 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17189410 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/189410
Thermal management systems Mar 1, 2021 Issued
Array ( [id] => 18362296 [patent_doc_number] => 20230143887 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-11 [patent_title] => WATER BOX MIXING MANIFOLD [patent_app_type] => utility [patent_app_number] => 17/802489 [patent_app_country] => US [patent_app_date] => 2021-02-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8328 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17802489 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/802489
Water box mixing manifold Feb 25, 2021 Issued
Array ( [id] => 20414847 [patent_doc_number] => 12498123 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-16 [patent_title] => Outdoor heat exchanger and air conditioner [patent_app_type] => utility [patent_app_number] => 18/246765 [patent_app_country] => US [patent_app_date] => 2021-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 15 [patent_no_of_words] => 2371 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 243 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18246765 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/246765
Outdoor heat exchanger and air conditioner Feb 9, 2021 Issued
Array ( [id] => 17023242 [patent_doc_number] => 20210247113 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-12 [patent_title] => Cooling Device, a Test Chamber and a Method [patent_app_type] => utility [patent_app_number] => 17/171639 [patent_app_country] => US [patent_app_date] => 2021-02-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6098 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 57 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17171639 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/171639
Cooling device, a test chamber and a method Feb 8, 2021 Issued
Array ( [id] => 19021067 [patent_doc_number] => 20240077238 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-07 [patent_title] => REFRIGERATION CYCLE DEVICE [patent_app_type] => utility [patent_app_number] => 18/273777 [patent_app_country] => US [patent_app_date] => 2021-02-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11755 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 214 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18273777 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/273777
Refrigeration cycle device Feb 1, 2021 Issued
Array ( [id] => 17020361 [patent_doc_number] => 20210244232 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-12 [patent_title] => Beverage heater [patent_app_type] => utility [patent_app_number] => 17/159424 [patent_app_country] => US [patent_app_date] => 2021-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3335 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17159424 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/159424
Beverage heater Jan 26, 2021 Issued
Array ( [id] => 17762366 [patent_doc_number] => 20220235978 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-28 [patent_title] => EVAPORATOR ASSEMBLIES AND HEAT PUMP SYSTEMS INCLUDING THE SAME [patent_app_type] => utility [patent_app_number] => 17/158428 [patent_app_country] => US [patent_app_date] => 2021-01-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5156 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17158428 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/158428
Evaporator assemblies and heat pump systems including the same Jan 25, 2021 Issued
Array ( [id] => 18195205 [patent_doc_number] => 20230048724 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-16 [patent_title] => COMBINATION VALVE UNIT AND VEHICLE HEAT PUMP SYSTEM [patent_app_type] => utility [patent_app_number] => 17/788557 [patent_app_country] => US [patent_app_date] => 2021-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5285 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 51 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17788557 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/788557
Combination valve unit and vehicle heat pump system Jan 24, 2021 Issued
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