F04B 23/00
Pumping installations or systems
Official title: Pumping installations or systems (pumps characterised by combination with, or adaptation to, specific driving engines or motors F04B17/00)
F04B23/00 (Pumping installations or systems) appears on 2,244 US grants and 2,522 published applications in this corpus.
Search patents in F04B- Granted patents
- 2,244
- Published applications
- 2,522
- Assignees
- 1,245
- Inventors
- 4,440
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 18 | 0 |
| 1977 | 15 | 0 |
| 1978 | 14 | 0 |
| 1979 | 7 | 0 |
| 1980 | 9 | 0 |
| 1981 | 6 | 0 |
| 1982 | 8 | 0 |
| 1983 | 1 | 0 |
| 1984 | 8 | 0 |
| 1985 | 14 | 0 |
| 1986 | 9 | 0 |
| 1987 | 6 | 0 |
| 1988 | 6 | 0 |
| 1989 | 6 | 0 |
| 1990 | 1 | 0 |
| 1991 | 6 | 0 |
| 1992 | 2 | 0 |
| 1993 | 12 | 0 |
| 1994 | 4 | 0 |
| 1995 | 10 | 0 |
| 1996 | 17 | 0 |
| 1997 | 11 | 0 |
| 1998 | 15 | 0 |
| 1999 | 21 | 0 |
| 2000 | 24 | 0 |
| 2001 | 19 | 6 |
| 2002 | 20 | 17 |
| 2003 | 22 | 35 |
| 2004 | 33 | 41 |
| 2005 | 20 | 33 |
| 2006 | 20 | 26 |
| 2007 | 27 | 35 |
| 2008 | 29 | 26 |
| 2009 | 14 | 41 |
| 2010 | 25 | 46 |
| 2011 | 26 | 46 |
| 2012 | 35 | 72 |
| 2013 | 43 | 99 |
| 2014 | 51 | 108 |
| 2015 | 71 | 98 |
| 2016 | 84 | 120 |
| 2017 | 90 | 173 |
| 2018 | 111 | 172 |
| 2019 | 139 | 181 |
| 2020 | 170 | 167 |
| 2021 | 170 | 200 |
| 2022 | 157 | 196 |
| 2023 | 190 | 206 |
| 2024 | 172 | 172 |
| 2025 | 168 | 121 |
| 2026 | 88 | 85 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Long stroke parallel pump6 Oct 2026US 12,753,746 B2National Oilwell Varco, L. P.
- Apparatus for delivering metered fluid at elevated pressure22 Sep 2026US 12,742,443 B1Prince Sattam Bin Abdulaziz University
- Fluid end block and fluid end for a multiplex piston pump having multiple inlet passages15 Sep 2026US 12,736,035 B2
- Closing unit system for a blowout preventer8 Sep 2026US 12,729,597 B2Schlumberger Technology Corporation
- Transfer pump assembly8 Sep 2026US 12,729,669 B2Graco Minnesota Inc.
- High pressure gas compresor environmental recovery system8 Oct 2026US 2026/0309137 A1Flowco MasterCo LLC
- Set point control for fixed speed engine driven fracking pumps1 Oct 2026US 2026/0298062 A1Halliburton Energy Services.Inc.
- Methods and systems for operating a fleet of pumps1 Oct 2026US 2026/0298063 A1BJ Energy Solutions, LLC
- Active checked multiple displacer assembly1 Oct 2026US 2026/0298217 A1Graco Minnesota Inc.
- Long stroke parallel pump1 Oct 2026US 2026/0298218 A1National Oilwell Varco, L. P.
Most cited
By later US patents
- Mobile, modular, electrically powered system for use in fracturing underground formations358US 9,103,193 B2Evolution Well Services, LLC · 2015
- Mobile, modular, electrically powered system for use in fracturing underground formations334US 9,366,114 B2Evolution Well Services, LLC · 2016
- Quintuplex mud pump319US 8,083,504 B2Weatherford/Lamb, Inc. · 2011
- Cold weather package for oil field hydraulics309US 9,611,728 B2U.S. Well Services, LLC · 2017
- Systems and methods for routing pressurized fluid305US 8,905,056 B2Halliburton Energy Services.Inc. · 2014