Patent Theme

Smart HVAC Control Systems

Systems and methods for intelligent control of HVAC equipment, often incorporating sensors, communication networks, and adaptive algorithms to optimize comfort, energy efficiency, and operational parameters.

7,761 US filings from 1,718 companies since 2023 · 2023: 2,188 · 2024: 2,503 · 2025: 2,147 · 2026 YTD: 923

HVAC & Air Conditioning

Top companies

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

#	Company	Since 2023	2023	2024	2025	2026 YTD	YoY
1	Johnson Controls Tyco IP Holdings LLP	340	203	132	5	·	-96.2%
2	Tyco Fire & Security GmbH	319	1	109	152	57	+39.4%
3	SAMSUNG ELECTRONICS CO., LTD.	210	52	47	81	30	+72.3%
4	Lennox Industries Inc.	181	79	46	41	15	-10.9%
5	Honeywell International Inc.	180	45	66	47	22	-28.8%
6	Mitsubishi Electric Corporation	180	50	73	40	17	-45.2%
7	Lutron Technology Company LLC	158	37	49	57	15	+16.3%
8	DELL PRODUCTS L.P.	158	50	54	36	18	-33.3%
9	CARRIER CORPORATION	156	57	46	36	17	-21.7%
10	DAIKIN INDUSTRIES, LTD.	156	45	59	37	15	-37.3%
11	TRANE INTERNATIONAL INC.	128	40	39	33	16	-15.4%
12	LG ELECTRONICS INC.	115	39	24	40	12	+66.7%
13	Digital Global Systems, Inc.	105	·	8	57	40	+612.5%
14	GD MIDEA AIR-CONDITIONING EQUIPMENT CO., LTD.	75	17	14	31	13	+121.4%
15	STATE FARM MUTUAL AUTOMOBILE INSURANCE COMPANY	73	19	21	24	9	+14.3%
16	Johnson Controls Technology Company	69	21	32	14	2	-56.2%
17	CHENGDU QINCHUAN IOT TECHNOLOGY CO., LTD.	68	14	29	15	10	-48.3%
18	Universal Electronics Inc.	67	20	20	18	9	-10.0%
19	MIDEA GROUP CO., LTD.	64	22	13	20	9	+53.8%
20	Haier US Appliance Solutions, Inc.	61	15	19	18	9	-5.3%
21	Rheem Manufacturing Company	60	13	23	17	7	-26.1%
22	Panasonic Intellectual Property Management Co., Ltd.	59	13	22	12	12	-45.5%
23	Ademco Inc.	55	29	20	5	1	-75.0%
24	Goodman Manufacturing Company LP	55	16	13	23	3	+76.9%
25	Air Distribution Technologies IP, LLC	53	22	20	10	1	-50.0%