Patent Theme

Advanced Valve Actuation

Mechanisms and control systems for precisely moving valve elements, often involving electric motors, cams, solenoids, or pneumatic/hydraulic pilots, to achieve desired flow or position.

7,334 US filings from 1,993 companies since 2023 · 2023: 1,929 · 2024: 2,395 · 2025: 2,169 · 2026 YTD: 841

Valves

Top companies

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

#	Company	Since 2023	2023	2024	2025	2026 YTD	YoY
1	Robert Bosch GmbH	112	30	38	31	13	-18.4%
2	DENSO CORPORATION	106	39	38	24	5	-36.8%
3	Fisher Controls International LLC	105	30	33	31	11	-6.1%
4	HAMILTON SUNDSTRAND CORPORATION	105	32	31	31	11	0.0%
5	EAGLE INDUSTRY CO., LTD.	83	23	33	26	1	-21.2%
6	ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT CO., LTD.	82	7	45	21	9	-53.3%
7	Festo SE & Co. KG	70	21	16	24	9	+50.0%
8	ILLINOIS TOOL WORKS INC.	56	11	19	19	7	0.0%
9	GOODRICH CORPORATION	52	21	15	13	3	-13.3%
10	Dresser, LLC	51	10	21	12	8	-42.9%
11	FUJIKIN INCORPORATED	48	14	18	14	2	-22.2%
12	ZHEJIANG SANHUA AUTOMOTIVE COMPONENTS CO., LTD.	48	5	15	21	7	+40.0%
13	VAT HOLDING AG	43	10	14	14	5	0.0%
14	SMC CORPORATION	41	17	19	2	3	-89.5%
15	SAMSON Aktiengesellschaft	39	5	17	12	5	-29.4%
16	DANFOSS A/S	37	6	15	9	7	-40.0%
17	FUJIKOKI CORPORATION	37	1	19	13	4	-31.6%
18	SPM Oil & Gas Inc.	37	9	9	15	4	+66.7%
19	CKD CORPORATION	36	8	12	11	5	-8.3%
20	Hyundai Motor Company	36	11	8	11	6	+37.5%
21	Kia Corporation	36	11	8	11	6	+37.5%
22	Boston Scientific Scimed, Inc.	35	5	12	16	2	+33.3%
23	SWAGELOK COMPANY	35	10	16	7	2	-56.2%
24	Halliburton Energy Services, Inc.	34	7	9	10	8	+11.1%
25	Parker-Hannifin Corporation	34	12	13	7	2	-46.2%