Prosecution Insights
Last updated: April 19, 2026

Examiner: DELRUE, BRIAN CHRISTOPHER

Tech Center 3700 • Art Units: 3745

This examiner grants 84% of resolved cases

Performance Statistics

84.4%
Allow Rate
+14.4% vs TC avg
446
Total Applications
+23.1%
Interview Lift
815
Avg Prosecution Days
Based on 422 resolved cases, 2023–2026

Rejection Statute Breakdown

0.6%
§101 Eligibility
30.8%
§102 Novelty
40.4%
§103 Obviousness
24.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19195764 TURBOFAN ENGINE HAVING ANGLED INLET PRE-SWIRL VANES Final Rejection General Electric Company
19089431 OUTLET GUIDE VANE ASSEMBLY FOR A TURBOFAN ENGINE Non-Final OA General Electric Company
19070889 AIRFOIL FOR A TURBOFAN ENGINE Non-Final OA General Electric Company
19068172 ROTOR BLADE SYSTEM OF TURBINE ENGINES Non-Final OA General Electric Company
19042862 BLOWER Final Rejection Milwaukee Electric Tool Corporation
18975522 ROTOR STAGE FOR A GAS TURBINE ENGINE Final Rejection Rolls-Royce plc
18081385 OUTBOARD MOTOR Non-Final OA SUZUKI MOTOR CORPORATION
18845543 AERONAUTICAL THRUSTER Final Rejection SAFRAN AIRCRAFT ENGINES
18835676 COMPOSITE VANE FOR AN AIRCRAFT TURBOMACHINE FAN COMPRISING MEANS FOR MEASURING INTERNAL DEFORMATIONS Non-Final OA SAFRAN AIRCRAFT ENGINES
18397120 POLISHING BLADED ROTOR USING ROBOTIC POLISHING DEVICE Non-Final OA Pratt & Whitney Canada Corp.
19014278 AXIAL FLOW BLOWER Non-Final OA Greenworks (Jiangsu) Co., Ltd
18904329 GUIDE BLADE ADJUSTING DEVICE AND TURBOMACHINE Non-Final OA MAN Energy Solutions SE
18821215 SIDE-CHANNEL MACHINE (COMPRESSOR, VACUUM PUMP OR BLOWER) HAVING AN EXTRACTION DUCT IN THE STRIPPER Non-Final OA Gardner Denver Deutschland GmbH
18396757 CLEANING DEVICE Non-Final OA Guangzhou Fengxue Technology Co., Ltd.
18395332 ELECTRIC ROBOT Non-Final OA NINGBO POOLSTAR POOL PRODUCTS CO.,LTD.
18504002 SHADE ASSEMBLY FOR PERSONAL WATERCRAFT Non-Final OA Yamaha Motor Corporation, USA
18464401 ELECTRIC SURFBOARD WITH HANDRAIL BRACKET Non-Final OA INNO INSTRUMENT (CHINA) INC.
18133744 Non-metal mesh chair for marine use Final Rejection Quality Mark, Inc.

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