F04B 53/147
Mounting or detaching of piston rod
Official title: {Mounting or detaching of piston rod}
F04B53/147 (Mounting or detaching of piston rod) appears on 187 US grants and 163 published applications in this corpus.
Search patents in F04B- Granted patents
- 187
- Published applications
- 163
- Assignees
- 108
- Inventors
- 343
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 4 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 5 | 0 |
| 1996 | 4 | 0 |
| 1997 | 5 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 1 |
| 2002 | 1 | 2 |
| 2003 | 3 | 2 |
| 2004 | 1 | 3 |
| 2005 | 1 | 3 |
| 2006 | 0 | 2 |
| 2007 | 1 | 2 |
| 2008 | 2 | 2 |
| 2009 | 0 | 0 |
| 2010 | 2 | 8 |
| 2011 | 0 | 7 |
| 2012 | 5 | 4 |
| 2013 | 3 | 5 |
| 2014 | 5 | 4 |
| 2015 | 5 | 8 |
| 2016 | 7 | 8 |
| 2017 | 7 | 14 |
| 2018 | 6 | 6 |
| 2019 | 14 | 9 |
| 2020 | 9 | 7 |
| 2021 | 6 | 16 |
| 2022 | 6 | 11 |
| 2023 | 10 | 18 |
| 2024 | 16 | 5 |
| 2025 | 15 | 10 |
| 2026 | 5 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Transfer pump assembly8 Sep 2026US 12,729,669 B2Graco Minnesota Inc.
- Double acting two stage piston type pump23 Jun 2026US 12,662,996 B2Zf Cv Systems Europe BV
- Piston for a compressor, compressor, and method and removal tool for disassembling a piston2 Jun 2026US 12,644,447 B2Burckhardt Compression AG
- Locking assembly apparatus for pump systems, and related methods7 Apr 2026US 12,595,797 B2Forum US, Inc.
- Pump and drive assembly17 Feb 2026US 12,553,426 B2Graco Minnesota Inc.
- Selective reciprocating element disablement in a pump25 Jun 2026US 2026/0177053 A1Halliburton Energy Services.Inc.
- Pump and drive assembly28 May 2026US 2026/0146593 A1Graco Minnesota Inc.
- Fluid flow systems and methods of using the same26 Mar 2026US 2026/0085671 A1Holland Applied Technologies, Inc.
- Modular reciprocating pump rod column system, rod column assembly, plunger rod column assembly, and methods of use19 Mar 2026US 2026/0078780 A1
- Screw driven piston pump5 Mar 2026US 2026/0063114 A1Wagner Spray Tech Corporation
Most cited
By later US patents
- Reciprocating pump assembly188US 8,707,853 B1S,P.M. Flow Control, Inc. · 2014
- Ultra high pressure field end for a reciprocating pump147US 5,127,807 AHalliburton Company · 1992
- High pressure pump99US 5,924,853 AButterworth Jetting Systems, Inc. · 1999
- Multichannel pump apparatus with microflow rate capability89US 5,253,981 A1993
- Methods and apparatuses for joining a pumping cartridge to a pump drive88US 7,337,538 B2HydroCision, Inc. · 2008