Advanced Heat Exchanger Architectures

Novel designs and configurations for heat exchangers that improve heat transfer efficiency, compactness, or enable specific phase change or separation processes within refrigeration and heat pump cycles.

13,090 US filings from 2,627 companies since 2023 · 2023: 3,668 · 2024: 3,871 · 2025: 3,868 · 2026 YTD: 1,683

HVAC & Air ConditioningRefrigerationHeat Exchangers (Specific Types)Heat Exchange Components

Top companies

Ranked by filings in this theme since 2023. 2026 is partial.

#	Company	Since 2023	2023	2024	2025	2026 YTD	YoY
1	Mitsubishi Electric Corporation	333	108	125	82	18	-34.4%
2	CARRIER CORPORATION	235	78	75	60	22	-20.0%
3	Hyundai Motor Company	229	60	42	86	41	+104.8%
4	Hanon Systems	226	47	58	79	42	+36.2%
5	DAIKIN INDUSTRIES, LTD.	223	54	82	69	18	-15.9%
6	Kia Corporation	222	54	41	86	41	+109.8%
7	SAMSUNG ELECTRONICS CO., LTD.	210	59	60	61	30	+1.7%
8	DELL PRODUCTS L.P.	205	44	86	57	18	-33.7%
9	LG ELECTRONICS INC.	202	41	72	66	23	-8.3%
10	HAMILTON SUNDSTRAND CORPORATION	181	75	55	41	10	-25.5%
11	BAIDU USA LLC	167	119	39	9	·	-76.9%
12	MAHLE International GmbH	159	47	53	41	18	-22.6%
13	COOLER MASTER CO., LTD.	120	43	33	34	10	+3.0%
14	Valeo Systemes Thermiques	120	23	39	39	19	0.0%
15	Rheem Manufacturing Company	115	38	28	33	16	+17.9%
16	DENSO CORPORATION	114	30	36	35	13	-2.8%
17	Nvidia Corporation	112	34	34	23	21	-32.4%
18	Microsoft Technology Licensing, LLC	106	32	30	33	11	+10.0%
19	INTEL CORPORATION	102	19	29	37	17	+27.6%
20	QUANTA COMPUTER INC.	94	30	24	28	12	+16.7%
21	TOYOTA JIDOSHA KABUSHIKI KAISHA	92	25	22	30	15	+36.4%
22	DELTA ELECTRONICS, INC.	89	19	29	23	18	-20.7%
23	Huawei Technologies Co., Ltd.	88	22	31	23	12	-25.8%
24	AMULAIRE THERMAL TECHNOLOGY, INC.	77	23	32	15	7	-53.1%
25	OVH	76	10	22	20	24	-9.1%