Prosecution Insights
Last updated: April 19, 2026

Examiner: ZERPHEY, CHRISTOPHER R

Tech Center 3700 • Art Units: 1744 3744 3763 3799

This examiner grants 48% of resolved cases

Performance Statistics

48.1%
Allow Rate
-21.9% vs TC avg
802
Total Applications
+19.1%
Interview Lift
1134
Avg Prosecution Days
Based on 749 resolved cases, 2023–2026

Rejection Statute Breakdown

0.7%
§101 Eligibility
17.9%
§102 Novelty
51.7%
§103 Obviousness
23.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18336719 REFRIGERATOR Final Rejection SAMSUNG ELECTRONICS CO., LTD.
19328423 Heat Pump Systems and Methods Non-Final OA AtmosZero, Inc.
18818911 HEAT PUMP SYSTEM FOR OPTIMIZING OPERATIONAL EFFICIENCYWITHOUT CHARGE IMBALANCE AND A METHOD THEREOF Non-Final OA Carrier Corporation
18762836 SELF-POWERED AIR CONDITIONING SYSTEMS Non-Final OA Carrier Corporation
18738111 MULTI-CIRCUIT HEAT PUMP Non-Final OA Carrier Corporation
18587398 SCREW COMPRESSOR AND REFRIGERATION SYSTEM HAVING IT Final Rejection Carrier Corporation
18341098 REFRIGERANT COLLECTOR AND AIR SEPARATOR Final Rejection Carrier Corporation
18711725 HEAT PUMP APPARATUS Non-Final OA Mitsubishi Electric Corporation
18681950 POWER FEEDING APPARATUS AND POWER FEEDING METHOD FOR SUBMERSIBLE PUMP Non-Final OA EBARA CORPORATION
18388811 INDIRECT REFRIGERANT COOLER Non-Final OA MAHLE International GmbH
18844621 ICE-MAKING DEVICE AND REFRIGERATOR Non-Final OA LG ELECTRONICS INC.
18809527 REFRIGERATOR HAVING AN ICE MAKER AND ICE MAKER Non-Final OA LG Electronics Inc.
18102398 REFRIGERATOR Non-Final OA LG ELECTRONICS INC.
18771851 GALLEY INSERT COLD TREAT SYSTEM Final Rejection B/E Aerospace, Inc.
14834746 SYSTEM AND METHODS FOR COOLING ELECTRONIC EQUIPMENT Final Rejection INERTECH IP LLC
18712375 HOUSING ARRANGEMENT FOR REFRIGERANT COMPRESSOR Non-Final OA Danfoss A/S
18485164 MOBILE APPARATUS INCLUDING AIR-CONDITIONING APPARATUS Final Rejection Hanon Systems
18549419 DEVICE FOR COOLING A FLUID TO BE COMPRESSED IN A COMPRESSOR AND COMPRESSOR WITH THE DEVICE Non-Final OA Hanon Systems
18322825 THERMAL MANAGEMENT MODULE Final Rejection Hanon Systems
18200086 Refrigeration Systems and Methods Final Rejection HONEYWELL INTERNATIONAL INC.
18557935 CONNECTION APPARATUS AND INTEGRATED ASSEMBLY Non-Final OA ZHEJIANG SANHUA AUTOMOTIVE COMPONENTS CO., LTD.
18810146 STERICALLY HINDERED HYDROFLUOROOLEFINS WITH DIPOLE MOMENT AND THEIR BLENDS WITH STERICALLY HINDERED-OLEFINS AS REFRIGERANTS FOR HIGH TEMPERATURE HEAT PUMPS AND WORKING FLUID FOR ORGANIC RANKINE CYCLES Non-Final OA Carbon Ventures, LLC
18523302 WATER SUPPLY SYSTEM FOR A REFRIGERATOR Non-Final OA Haier US Appliance Solutions, Inc.
18779584 HEAT DISSIPATION SYSTEMS WITH HYGROSCOPIC WORKING FLUID Non-Final OA Energy and Environmental research Center Foundation
18746480 COVER FOR AIR CONDITIONER SLEEVE Non-Final OA Proof Industries Inc.
18738704 Bodily Fluid Transporting Unit Final Rejection Wiesman Holdings, LLC
18607874 Rapidly Cooling Food and Drinks Non-Final OA ColdSnap, Corp.
18593241 EXPANDABLE ENVIRONMENTAL CONTROL UNIT Final Rejection AAR MANUFACTURING, INC.
18427922 PORTABLE AIR CONDITIONER Final Rejection HEPHZIBAH CO., LTD.
18568371 COMPOSITIONS OF HFO-1234YF, HFC-152A, AND HFC-32, AND SYSTEMS FOR USING THE COMPOSITIONS Non-Final OA THE CHEMOURS COMPANY FC, LLC

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