F04B 53/144
Adaptation of piston-rods
Official title: {Adaptation of piston-rods}
F04B53/144 (Adaptation of piston-rods) appears on 480 US grants and 443 published applications in this corpus.
Search patents in F04B- Granted patents
- 480
- Published applications
- 443
- Assignees
- 296
- Inventors
- 983
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 9 | 0 |
| 1978 | 4 | 0 |
| 1979 | 4 | 0 |
| 1980 | 7 | 0 |
| 1981 | 4 | 0 |
| 1982 | 4 | 0 |
| 1983 | 5 | 0 |
| 1984 | 11 | 0 |
| 1985 | 6 | 0 |
| 1986 | 7 | 0 |
| 1987 | 2 | 0 |
| 1988 | 11 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 6 | 0 |
| 1992 | 7 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 5 | 0 |
| 1996 | 6 | 0 |
| 1997 | 6 | 0 |
| 1998 | 4 | 0 |
| 1999 | 6 | 0 |
| 2000 | 8 | 0 |
| 2001 | 8 | 3 |
| 2002 | 3 | 5 |
| 2003 | 5 | 2 |
| 2004 | 3 | 6 |
| 2005 | 2 | 5 |
| 2006 | 1 | 4 |
| 2007 | 3 | 3 |
| 2008 | 3 | 5 |
| 2009 | 2 | 4 |
| 2010 | 4 | 17 |
| 2011 | 1 | 13 |
| 2012 | 6 | 7 |
| 2013 | 8 | 9 |
| 2014 | 9 | 14 |
| 2015 | 11 | 18 |
| 2016 | 13 | 28 |
| 2017 | 17 | 38 |
| 2018 | 27 | 35 |
| 2019 | 41 | 27 |
| 2020 | 26 | 19 |
| 2021 | 16 | 41 |
| 2022 | 18 | 37 |
| 2023 | 29 | 38 |
| 2024 | 35 | 30 |
| 2025 | 32 | 22 |
| 2026 | 18 | 13 |
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.
- Transfer pump assembly8 Sep 2026US 12,729,669 B2Graco Minnesota Inc.
- Power end of reciprocating pump with fastener assembly11 Aug 2026US 12,704,124 B2Gd Energy Products, LLC
- Linear drive assembly28 Jul 2026US 12,692,929 B2Kerr Machine Co.
- Piston compressor and method of operating the same23 Jun 2026US 12,662,995 B2Burckhardt Compression AG
- Connecting rod-crosshead assembly, and plunger pump20 Aug 2026US 2026/0243250 A1Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.
- Power end of reciprocating pump with fastener assembly20 Aug 2026US 2026/0243251 A1Gd Energy Products, LLC
- Cryogenic pump30 Jul 2026US 2026/0218692 A1Chart Energy & Chemicals, Inc.
- Low-pressure pump for hydrogen pumping system25 Jun 2026US 2026/0177052 A1FirstElement Fuel, Inc.
- Selective reciprocating element disablement in a pump25 Jun 2026US 2026/0177053 A1Halliburton Energy Services.Inc.
Most cited
By later US patents
- Reciprocating pump assembly188US 8,707,853 B1S,P.M. Flow Control, Inc. · 2014
- Plunger pump fluid end186US 8,784,081 B12014
- Ultra high pressure field end for a reciprocating pump147US 5,127,807 AHalliburton Company · 1992
- Multi-plunger reciprocating pump105US 4,050,862 AIngersoll-Rand Company · 1977
- High pressure pump99US 5,924,853 AButterworth Jetting Systems, Inc. · 1999