Hydraulic & Pneumatic Control Valves

Valves specifically designed for managing fluid power in hydraulic or pneumatic systems, including components for pressure regulation, flow direction, and system centering.

4,643 US filings from 1,291 companies since 2023 · 2023: 1,393 · 2024: 1,416 · 2025: 1,315 · 2026 YTD: 519

Valves

Top companies

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

#	Company	Since 2023	2023	2024	2025	2026 YTD	YoY
1	EAGLE INDUSTRY CO., LTD.	101	34	35	31	1	-11.4%
2	Fisher Controls International LLC	88	35	18	28	7	+55.6%
3	Robert Bosch GmbH	74	20	23	19	12	-17.4%
4	HAMILTON SUNDSTRAND CORPORATION	62	20	16	17	9	+6.2%
5	Kubota Corporation	61	18	19	18	6	-5.3%
6	Deere & Company	60	19	12	24	5	+100.0%
7	KAWASAKI JUKOGYO KABUSHIKI KAISHA	59	24	10	17	8	+70.0%
8	DRiV Automotive Inc.	57	21	25	11	·	-56.0%
9	DENSO CORPORATION	48	16	18	12	2	-33.3%
10	Caterpillar Inc.	46	18	10	11	7	+10.0%
11	Festo SE & Co. KG	46	11	12	15	8	+25.0%
12	Caterpillar SARL	44	11	14	17	2	+21.4%
13	CNH Industrial America LLC	41	17	13	8	3	-38.5%
14	GOODRICH CORPORATION	38	20	10	7	1	-30.0%
15	ZHEJIANG SANHUA AUTOMOTIVE COMPONENTS CO., LTD.	37	1	13	19	4	+46.2%
16	SMC CORPORATION	35	14	16	4	1	-75.0%
17	CKD CORPORATION	33	9	9	11	4	+22.2%
18	Fox Factory, Inc.	33	7	7	16	3	+128.6%
19	Dresser, LLC	32	8	12	7	5	-41.7%
20	SPM Oil & Gas Inc.	32	10	6	12	4	+100.0%
21	ZF CV SYSTEMS EUROPE BV	31	3	12	12	4	0.0%
22	FUJIKIN INCORPORATED	29	8	11	9	1	-18.2%
23	HAWE Hydraulik SE	28	6	10	9	3	-10.0%
24	SAMSON Aktiengesellschaft	28	3	15	7	3	-53.3%
25	SWAGELOK COMPANY	28	9	13	4	2	-69.2%