Prosecution Insights
Last updated: April 19, 2026

Examiner: CRENSHAW, HENRY T

Tech Center 3700 • Art Units: 3744 3763 3784

This examiner grants 76% of resolved cases

Performance Statistics

75.9%
Allow Rate
+5.9% vs TC avg
1009
Total Applications
+14.9%
Interview Lift
1067
Avg Prosecution Days
Based on 992 resolved cases, 2023–2026

Rejection Statute Breakdown

1.1%
§101 Eligibility
12.3%
§102 Novelty
45.4%
§103 Obviousness
37.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18731236 HEAT PUMP SYSTEM AND WASTE TANK Non-Final OA Carrier Corporation
18713381 AIR-CONDITIONING APPARATUS AND REFRIGERANT LEAKAGE DETECTION SYSTEM Non-Final OA Mitsubishi Electric Corporation
18704223 REFRIGERANT DETECTION APPARATUS, COMPUTER READABLE MEDIUM, AND REFRIGERANT DETECTION METHOD Non-Final OA Mitsubishi Electric Corporation
18699649 AIR-CONDITIONING APPARATUS Non-Final OA Mitsubishi Electric Corporation
18705429 AN ECONOMIZER FOR A CHILLER Non-Final OA Tyco Fire & Security GmbH
18599890 ELECTRIC COMPRESSOR Non-Final OA KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
18407970 Heat Pump Systems and Methods for Defrost Humidification Non-Final OA Rheem Manufacturing Company
18599992 AIR CONDITIONING SYSTEM WITH VAPOR INJECTION COMPRESSOR Non-Final OA WaterFurnace International, Inc.
18220271 REFRIGERANT LEAK DETECTION SYSTEM IN AIR CONDITIONING SYSTEM AND CONTROL METHOD OF SAME Final Rejection SANJIU TECHNOLOGY (HANGZHOU) CO., LTD.

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