F04B 53/127
Disc valves
Official title: {Disc valves}
F04B53/127 (Disc valves) appears on 64 US grants and 48 published applications in this corpus.
Search patents in F04B- Granted patents
- 64
- Published applications
- 48
- Assignees
- 44
- Inventors
- 140
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 5 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 3 |
| 2003 | 1 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 2 |
| 2006 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 3 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 3 |
| 2016 | 1 | 1 |
| 2017 | 1 | 0 |
| 2018 | 3 | 3 |
| 2019 | 0 | 4 |
| 2020 | 0 | 7 |
| 2021 | 4 | 3 |
| 2022 | 5 | 5 |
| 2023 | 2 | 2 |
| 2024 | 6 | 2 |
| 2025 | 4 | 2 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Through-hardened valve seat for hydraulic fracturing1 Sep 2026US 12,723,662 B2Apex Industrial LLC
- System and method for valve assembly28 Jul 2026US 12,692,945 B2Vulcan Industrial Holdings, LLC
- System and method for valve assembly6 May 2025US 12,292,120 B1Vulcan Industrial Holdings, LLC
- Two-stroke pumping method and oil production device25 Mar 2025US 12,258,949 B2Yangtze University
- Flexible manifold for reciprocating pump11 Mar 2025US 12,247,563 B2Halliburton Energy Services.Inc.
- Through-Hardened Valve Seat for Hydraulic Fracturing1 Oct 2026US 2026/0298349 A1Apex Industrial LLC
- Low-pressure pump for hydrogen pumping system25 Jun 2026US 2026/0177052 A1FirstElement Fuel, Inc.
- System and method for valve assembly2 Oct 2025US 2025/0305586 A1Vulcan Industrial Holdings, LLC
- Through-Hardened Valve Seat for Hydraulic Fracturing27 Feb 2025US 2025/0067348 A1Alpha 3D LLC
- Flexible Manifold for Reciprocating Pump1 Aug 2024US 2024/0254986 A1Halliburton Energy Services.Inc.
Most cited
By later US patents
- Wave motor48US 4,076,463 A1978
- Valve assembly for a fluid end with limited access41US 11,105,327 B2Halliburton Energy Services.Inc. · 2021
- Pump valve seat with supplemental retention39US 11,231,111 B2Halliburton Energy Services.Inc. · 2022
- Dispenser device with valve piston pump39US 4,236,651 ATrisa Burstenfabrik AG · 1980
- Pump for variable dosing30US 4,118,152 A1978