F04B 53/1087
Valve seats
Official title: {Valve seats}
F04B53/1087 (Valve seats) appears on 240 US grants and 267 published applications in this corpus.
Search patents in F04B- Granted patents
- 240
- Published applications
- 267
- Assignees
- 135
- Inventors
- 465
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 0 | 1 |
| 2006 | 1 | 2 |
| 2007 | 0 | 2 |
| 2008 | 1 | 0 |
| 2009 | 1 | 1 |
| 2010 | 3 | 2 |
| 2011 | 0 | 3 |
| 2012 | 1 | 4 |
| 2013 | 0 | 6 |
| 2014 | 8 | 15 |
| 2015 | 9 | 15 |
| 2016 | 6 | 16 |
| 2017 | 13 | 20 |
| 2018 | 14 | 30 |
| 2019 | 25 | 32 |
| 2020 | 26 | 22 |
| 2021 | 26 | 20 |
| 2022 | 24 | 16 |
| 2023 | 18 | 22 |
| 2024 | 12 | 11 |
| 2025 | 15 | 10 |
| 2026 | 11 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Through-hardened valve seat for hydraulic fracturing1 Sep 2026US 12,723,662 B2Apex Industrial LLC
- Fluid end with transition surface geometry18 Aug 2026US 12,710,036 B2Gd Energy Products, LLC
- Cathodic protection of a fluid end21 Jul 2026US 12,687,163 B1Caterpillar Inc.
- Fluid end with threaded dynamic section21 Apr 2026US 12,607,185 B2Kerr Machine Co.
- Fluid end with transition surface geometry31 Mar 2026US 12,590,578 B2Gd Energy Products, LLC
- Through-Hardened Valve Seat for Hydraulic Fracturing1 Oct 2026US 2026/0298349 A1Apex Industrial LLC
- Valve seat assemblies, valve assemblies, and fluid ends for high power pumps and related methods6 Aug 2026US 2026/0226987 A1Vulcan Industrial Holdings, LLC
- Fluid end with transition surface geometry23 Jul 2026US 2026/0210351 A1Gd Energy Products, LLC
- Extending Life of Frac, Stimulation (acid), Gravel Packing, and Mud Pump Valves through Design and Materials: Phase & Chemistry Controlled Alloy Body with Meta Material Seals16 Jul 2026US 2026/0201786 A1
- Systems for valve assemblies, valve members, and valve seat bodies11 Jun 2026US 2026/0160246 A1SPM Oil & Gas Inc.
Most cited
By later US patents
- Valve seats for use in fracturing pumps131US 9,822,894 B2S,P.M. Flow Control, Inc. · 2017
- Valve guide bracket126US 4,861,241 AParker Technology, Inc. · 1989
- Fluid end with carbide valve seat and adhesive dampening interface116US 9,435,454 B22016
- Wear resistant pump valve107US 4,518,329 A1985
- Valve and seat assembly for a high pressure pump107US 9,631,739 B2Black Horse, LLC · 2017