Advanced Sealing and Valve Design

Innovations in the design, materials, and maintenance of seals, valves, and related components to improve durability, reduce leakage, and enable specific pump functions like high-pressure operation or automated seal replacement.

10,864 US filings from 3,047 companies since 2023 · 2023: 2,800 · 2024: 3,473 · 2025: 3,190 · 2026 YTD: 1,401

Steam / Gas TurbinesPumps (Positive Displacement)Pumps (Centrifugal)

Top companies

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

#	Company	Since 2023	2023	2024	2025	2026 YTD	YoY
1	General Electric Company	188	49	56	62	21	+10.7%
2	RTX Corporation	177	10	51	76	40	+49.0%
3	Pratt & Whitney Canada Corp.	160	35	43	51	31	+18.6%
4	EAGLE INDUSTRY CO., LTD.	120	35	32	38	15	+18.8%
5	NOK CORPORATION	116	28	37	25	26	-32.4%
6	Halliburton Energy Services, Inc.	107	22	34	31	20	-8.8%
7	Kerr Machine Co.	106	18	26	45	17	+73.1%
8	HAMILTON SUNDSTRAND CORPORATION	104	33	36	31	4	-13.9%
9	AKTIEBOLAGET SKF	88	31	27	25	5	-7.4%
10	SAUDI ARABIAN OIL COMPANY	87	27	27	28	5	+3.7%
11	RAYTHEON TECHNOLOGIES CORPORATION	85	63	19	3	·	-84.2%
12	SPM Oil & Gas Inc.	73	26	17	19	11	+11.8%
13	GD Energy Products, LLC	70	10	25	23	12	-8.0%
14	SAFRAN AIRCRAFT ENGINES	69	16	26	17	10	-34.6%
15	Fisher Controls International LLC	66	20	20	19	7	-5.0%
16	Robert Bosch GmbH	65	22	21	12	10	-42.9%
17	Mueller International, LLC	63	25	25	9	4	-64.0%
18	Caterpillar Inc.	59	19	16	18	6	+12.5%
19	Schlumberger Technology Corporation	58	13	20	15	10	-25.0%
20	ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT CO., LTD.	58	5	32	15	6	-53.1%
21	MITSUBISHI HEAVY INDUSTRIES, LTD.	57	19	19	16	3	-15.8%
22	Baker Hughes Oilfield Operations LLC	54	12	20	18	4	-10.0%
23	LG ELECTRONICS INC.	54	18	9	23	4	+155.6%
24	ILLINOIS TOOL WORKS INC.	52	10	19	16	7	-15.8%
25	TOYOTA JIDOSHA KABUSHIKI KAISHA	51	13	18	7	13	-61.1%