Prosecution Insights
Last updated: April 19, 2026

Examiner: KUHFUSS, ZACHARY L

Tech Center 3600 • Art Units: 3615 3617

This examiner grants 78% of resolved cases

Performance Statistics

77.8%
Allow Rate
+25.8% vs TC avg
1102
Total Applications
+18.0%
Interview Lift
1049
Avg Prosecution Days
Based on 1065 resolved cases, 2023–2026

Rejection Statute Breakdown

0.9%
§101 Eligibility
28.5%
§102 Novelty
48.6%
§103 Obviousness
15.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18366953 OUTLET APPARATUS FOR VEHICLE Non-Final OA HYUNDAI MOBIS CO., LTD.
18028302 TRAIN CONTROL SYSTEM AND TRAIN CONTROL METHOD Non-Final OA Mitsubishi Electric Corporation
18220699 METHOD AND SYSTEM FOR DYNAMIC WIRELESS CHARGING OF AN ELECTRIC VEHICLE ON ELECTRIC ROADS Non-Final OA KIA CORPORATION
18466861 MAGLEV WITH DIPOLE-LINE MAGNET TRACK SYSTEM Non-Final OA International Business Machines Corporation
18356336 LINEAR INDUCTION MOTOR DRIVE FOR A HIGH-SPEED TRANSPORTATION SYSTEM Non-Final OA Hamilton Sundstrand Corporation
19094879 Culvert Marker Final Rejection Culvert Marker Company, LLC
18195278 SYSTEMS AND METHODS FOR SYNCHRONOUS MOTOR SYSTEM DIAGNOSTICS Non-Final OA ROCKWELL AUTOMATION TECHNOLOGIES, INC.
18113259 SLIP-THROUGH TETHER AND ATTACHMENT SYSTEM FOR ROBOT MOVEMENT ALONG A TETHER Non-Final OA U.S. Army DEVCOM, Army Research Laboratory
18256374 CONVEYANCE SYSTEM Non-Final OA Murata Machinery, Ltd.
18463924 HYBRID LOCOMOTIVE PROPULSION SYSTEM Non-Final OA Progress Rail Locomotive Inc.
18207204 HYBRID LOCOMOTIVE WITH THROTTLE POWER BOOST Non-Final OA Progress Rail Locomotive Inc.
18566744 METHOD AND SYSTEM FOR CORRECTING VERTICAL POSITION DEFECTS OF A TRACK Non-Final OA Plasser & Theurer Export von Bahnbaumaschinen Gesellschaft m.b.H.
18014805 MACHINE AND METHOD FOR COMPACTING A BALLAST BED OF A TRACK Final Rejection Plasser & Theurer Export von Bahnbaumaschinen Gesellschaft m.b.H.
18126825 OPERATOR PROTECTION SYSTEM AND METHOD Non-Final OA Westinghouse Air Brake Technologies Corporation
18066194 OPERATOR PROTECTION SYSTEM AND METHOD Non-Final OA Westinghouse Air Brake Technologies Corporation
18011778 DEVICE FOR DEFLECTION OF A COUPLER OF A TRAIN VEHICLE, COUPLER OF A TRAIN, CAR OF A MULTI-CAR VEHICLE AND METHOD FOR COUPLING A FIRST CAR OF A MULTI-CAR VEHICLE TO A SECOND CAR OF A MULTI-CAR VEHICLE Non-Final OA DELLNER COUPLERS AB
18509389 Composite Railcar Floor Assembly Non-Final OA Trinity North American Freight Car, Inc.
18484607 CABLE CAR AND METHOD OF OPERATING A CABLE CAR Non-Final OA Doppelmayr Management AG
18107335 System and Method for Obtaining, Transmitting and Maintaining Automated Single-Car Test Device Railway Brake Test Results Non-Final OA Buckeye Mountain, Inc.
18373305 Overhead hoist transfer Non-Final OA CHANG, JUNG-CHIEH
18283598 FREIGHT HANDLING SYSTEM AND METHOD Non-Final OA KACI INTERMODAL SYSTEMS, LLC
17815692 DEVICE AND METHOD FOR DETECTING AND CONTROLLING AN ARM POSITION OF A RAILROAD CROSSING GATE MECHANISM Final Rejection Siemens Mobility, Inc.
17649850 END OF TRAIN DEVICE AND INTEGRATED LIDAR MONITORING SYSTEM Non-Final OA Siemens Mobility, Inc.
18279158 PUBLIC TRANSPORT VEHICLE FOR THE FLEXIBLE TRANSPORT OF FREIGHT AND/OR PASSENGERS Non-Final OA MISSION INNOVATIONS B.V.
18220592 METHODS AND SYSTEMS FOR DECENTRALIZED RAIL SIGNALING AND POSITIVE TRAIN CONTROL Non-Final OA Metrom Rail, LLC
18257966 DEVICE AND METHOD FOR GRINDING A PROFILE Non-Final OA Schweerbau International GmbH & Co. KG
18258173 DEVICE AND METHOD FOR SECURING FUNCTIONAL OBJECTS BETWEEN TWO RAILS Non-Final OA SOLAFIX SA
18314424 PANTOGRAPH POSITIONING SYSTEM Non-Final OA Faiveley Transport Tours
18042536 SENSOR TO SENSOR EDGE TRAFFIC INFERENCE, SYSTEM AND METHOD Non-Final OA KONUX GMBH
17569218 RAILCAR DAMPING SYSTEM Non-Final OA A. Stucki Company

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