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Last updated: August 17, 2026

Examiner: DUONG, THO V

Tech Center 3700 • Art Units: 3744 3763

This examiner grants 67% of resolved cases

Performance Statistics

67.1%

Allow Rate

-2.9% vs TC avg

1,240

Total Applications

+17.3%

Interview Lift

1207

Avg Prosecution Days

Based on 1211 resolved cases, 2023–2026

Rejection Statute Breakdown

0.3%

§101 Eligibility

30.7%

§102 Novelty

42.6%

§103 Obviousness

24.3%

§112 Clarity

Currently Pending Office Actions

App #	Title	Status	Assignee
18945926	HEAT EXCHANGER AND CLOTHING PROCESSING EQUIPMENT HAVING THE SAME	Non-Final OA	LG Electronics Inc.
18345597	VARIABLE HEAT PIPE THICKNESS AND DIAMETER FOR DIRECT HEAT PIPE ATTACHMENT AND IMPROVED THERMAL MANAGEMENT	Non-Final OA	Intel Corporation
17207581	HEAT CONDUCTIING DEVICE	Non-Final OA	Lenovo (Beijing) Co., Ltd.
18027277	DOUBLE-FLOW HEAT EXCHANGER	Non-Final OA	Safran
18966245	LOW-PRESSURE HEAT PIPES AND HEAT TRANSFER METHODS USING LOW-PRESSURE FOR HEAT PIPES	Non-Final OA	HONEYWELL INTERNATIONAL INC.
18672027	HEATING ELEMENT COOLING STRUCTURE AND METHOD FOR MANUFACTURING SAME	Final Rejection	KMW INC.
17922963	AIR CONDITIONER OUTDOOR UNIT	Non-Final OA	MIDEA GROUP CO., LTD.
19048720	AIR CONDITIONER FOR VEHICLE	Non-Final OA	Hanon Systems
18248471	COOLER WITH TWO SUBSTANTIALLY PARALLEL FLOW CHAMBERS AND THREE SUBSTANTIALLY PARALLEL PLATES	Non-Final OA	Hanon Systems
18491913	HEAT EXCHANGER WITH INTERNAL CROSS FLOW FINS	Final Rejection	Hamilton Sundstrand Corporation

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