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Home / Examiner: CRENSHAW, HENRY T
Last updated: May 29, 2026

Examiner: CRENSHAW, HENRY T

Tech Center 3700 • Art Units: 3744 3763 3784

This examiner grants 76% of resolved cases

Performance Statistics

76.1%
Allow Rate
+6.1% vs TC avg
1,010
Total Applications
+14.9%
Interview Lift
1055
Avg Prosecution Days
Based on 999 resolved cases, 2023–2026

Rejection Statute Breakdown

0.3%
§101 Eligibility
3.0%
§102 Novelty
81.6%
§103 Obviousness
13.5%
§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
18599992 AIR CONDITIONING SYSTEM WITH VAPOR INJECTION COMPRESSOR Non-Final OA WaterFurnace International, Inc.

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Data sourced from USPTO Patent File Wrapper (daily) and Office Action Archive (weekly). Analysis generated by IP Author.

Data: USPTO Patent File Wrapper (daily) • Office Action Archive (weekly) • 89M+ prosecution events

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