F04B 53/1097
With means for lifting the closure member for pump cleaning purposes
Official title: {with means for lifting the closure member for pump cleaning purposes}
F04B53/1097 (With means for lifting the closure member for pump cleaning purposes) appears on 24 US grants and 14 published applications in this corpus.
Search patents in F04B- Granted patents
- 24
- Published applications
- 14
- Assignees
- 16
- Inventors
- 39
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 2 |
| 2009 | 1 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 2 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 1 |
| 2021 | 3 | 0 |
| 2022 | 1 | 3 |
| 2023 | 1 | 0 |
| 2024 | 1 | 2 |
| 2025 | 1 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Stuck-pump prevention device15 Sep 2026US 12,736,047 B2Subaru Corporation
- Pump fluid end with suction valve closure assist18 Feb 2025US 12,228,127 B2Halliburton Energy Services.Inc.
- Pump fluid end with suction valve closure assist30 Jan 2024US 11,885,316 B2Halliburton Energy Services.Inc.
- Integral check valve lock open device for oil and gas equipment10 Oct 2023US 11,781,397 B2
- Pump fluid end with suction valve closure assist22 Mar 2022US 11,280,326 B2Halliburton Energy Services.Inc.
- Stuck-pump prevention device10 Jul 2025US 2025/0223960 A1Subaru Corporation
- Pump fluid end with suction valve closure assist4 Apr 2024US 2024/0110550 A1Halliburton Energy Services.Inc.
- Electronic ram pump controller15 Feb 2024US 2024/0052856 A1
- Pump for A System for Applying A Coating Product, and Use of Such A Pump21 Jul 2022US 2022/0228669 A1Exel Industries
- Pump Fluid End with Suction Valve Closure Assist19 May 2022US 2022/0154705 A1Halliburton Energy Services.Inc.
Most cited
By later US patents
- Valve-seat interface architecture114US 8,317,498 B2Schlumberger Technology Corporation · 2012
- Externally assisted valve for a positive displacement pump31US 8,366,408 B2Schlumberger Technology Corporation · 2013
- Methods of use for a positive displacement pump having an externally assisted valve25US 8,506,262 B2Schlumberger Technology Corporation · 2013
- Double acting pump having inlet and outlet poppet valves23US 5,403,168 ABayou City Pump Works, Inc. · 1995
- Wall pump having backwash valve actuator22US 5,382,142 ASpears Speciality Oil Tools, Inc. · 1995