Patent Theme

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%