Prosecution Insights
Last updated: May 29, 2026

Examiner: RUPPERT, ERIC S

Tech Center 3700 • Art Units: 1772 3744 3763

This examiner grants 59% of resolved cases

Performance Statistics

59.0%
Allow Rate
-11.0% vs TC avg
805
Total Applications
+24.7%
Interview Lift
1025
Avg Prosecution Days
Based on 752 resolved cases, 2023–2026

Rejection Statute Breakdown

0.1%
§101 Eligibility
6.0%
§102 Novelty
84.7%
§103 Obviousness
8.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18461878 THERMOSYPHON REBOILER MODIFICATION Non-Final OA Saudi Arabian Oil Company
18431051 TEMPERATURE CONTROL SYSTEM WITH FLAMMABLE HEAT TRANSFER FLUID Non-Final OA Applied Materials, Inc.
18819809 THERMAL MANAGEMENT SYSTEM FOR A VEHICLE Non-Final OA KIA CORPORATION
18606474 HEAT EXCHANGE SYSTEM FOR AIRCRAFT ENGINE Non-Final OA PRATT & WHITNEY CANADA CORP.
18836413 MONITORING DEVICE Non-Final OA MITSUBISHI HEAVY INDUSTRIES, LTD.
18386819 HEAT EXCHANGER WITH STIFFENING TUBE CONNECTORS Non-Final OA Hamilton Sundstrand Corporation
18847812 Hybrid 3D Printed Heat Sink Non-Final OA National University of Singapore
18709718 HEAT EXCHANGER AND AIR CONDITIONING SYSTEM HAVING SAME Final Rejection Danfoss A/S
18519414 LIQUID COOLING DEVICE Non-Final OA DELTA ELECTRONICS, INC.
18756318 GAS TURBINE ENGINE WITH HEAT EXCHANGER Final Rejection General Electric Deutschland Holding GmbH
18825582 HOUSING FOR MULTI-FLOWPATH HVAC SYSTEM Final Rejection MAHLE INTERNATIONAL GMBH
18772614 CONDITIONING SYSTEM FOR AN AIRCRAFT Final Rejection Airbus Operations S.L.U.
18886503 DUAL MODE HEAT ENERGY COLLECTOR Non-Final OA Raytheon Systems Limited
18369500 SOLID-STATE THERMAL SWITCH PANEL FOR THERMAL STORAGE Non-Final OA UT-Battelle, LLC
18815250 THERMAL MANAGEMENT SYSTEM FOR A VEHICLE Non-Final OA Vitesco Technologies GmbH
18827178 REFRIGERATOR Non-Final OA HAIER SMART HOME CO., LTD.
18822215 COOLING SYSTEM ASSEMBLY Non-Final OA Purple Cloud Development Pte. Ltd.
18766341 HEAT EXCHANGER Final Rejection HS Marston Aerospace Limited
18765794 Heat Exchanger Apparatus Non-Final OA Dandelion Energy, Inc.
18735202 VECTOR CANCELLING COMPRESSOR DEVICE AND A METHOD THEREOF Non-Final OA ENTROPY ENGINES LIMITED
18710114 HEAT EXCHANGER Final Rejection Conflux Technology Pty Ltd
18698000 A METHOD OF ADJUSTING OXOACIDITY Non-Final OA HYME ENERGY APS
18438516 HEAT EXCHANGER ASSEMBLY OF THERMAL RETENTION APPARATUS FOR HEATING A LIQUID ON DEMAND Non-Final OA PHASESTOR LLC
18681860 A HEAT EXCHANGER Non-Final OA VALEO VYMENIKY TEPLA S. R. O.
18292578 A STORAGE DEVICE FOR THERMAL ENERGY Final Rejection David S.r.l.
18567574 PUMP-DRIVEN TWO-PHASE LIQUID COOLING SYSTEM, AND LIQUID SUPPLEMENTATION CONTROL METHOD FOR PUMP-DRIVEN TWO-PHASE LIQUID COOLING SYSTEM Non-Final OA INSTITUTE OF SPACECRAFT SYSTEM ENGINEERING
18555278 LOW LOSS SENSIBLE HEAT STORAGE Final Rejection König Metall GmbH & Co. KG
18551718 THERMAL ENERGY STORAGE Final Rejection Richard William Yemm
18196662 MODULAR HEAT EXCHANGER FOR AN AIRCRAFT POWERPLANT Non-Final OA Raytheon Technologies Corporation
18119130 HEAT EXCHANGER WITH CROSSING HEAT EXCHANGE TUBES Non-Final OA Raytheon Technologies Corporation

Facing This Examiner?

IP Author analyzes examiner patterns and generates tailored response strategies with the highest chance of allowance.

Build Your Strategy

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month