F04B 53/146
Piston-rod guiding arrangements
Official title: {Piston-rod guiding arrangements}
F04B53/146 (Piston-rod guiding arrangements) appears on 92 US grants and 99 published applications in this corpus.
Search patents in F04B- Granted patents
- 92
- Published applications
- 99
- Assignees
- 78
- Inventors
- 221
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 5 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 2 |
| 2002 | 2 | 2 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 2 |
| 2010 | 0 | 3 |
| 2011 | 0 | 2 |
| 2012 | 0 | 3 |
| 2013 | 0 | 0 |
| 2014 | 2 | 5 |
| 2015 | 3 | 2 |
| 2016 | 4 | 3 |
| 2017 | 2 | 9 |
| 2018 | 2 | 8 |
| 2019 | 9 | 3 |
| 2020 | 5 | 6 |
| 2021 | 2 | 11 |
| 2022 | 4 | 9 |
| 2023 | 8 | 9 |
| 2024 | 10 | 11 |
| 2025 | 7 | 7 |
| 2026 | 5 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- 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
- Robust valve rod guide assembly17 Feb 2026US 12,553,297 B2Q2 Artificial Lift Services LLC
- Reciprocating compressor valve system with embedded sensor17 Feb 2026US 12,553,428 B2Nuovo Pignone Tecnologie Srl
- Mechanically resilient and wear resistant steel compositions and high-pressure pumps and pump components comprised thereof10 Feb 2026US 12,546,306 B2SPM Oil & Gas Inc.
- Linear drive assembly12 Feb 2026US 2026/0043394 A1Kerr Machine Co.
- Pump drive system11 Dec 2025US 2025/0376977 A1Graco Minnesota Inc.
- Linear drive assembly21 Aug 2025US 2025/0264151 A1Kerr Machine Co.
- Compression system with gas leak recovery and fuel cells, and method14 Aug 2025US 2025/0260028 A1Nuovo Pignone Tecnologie Srl
- Robust valve rod guide assembly3 Apr 2025US 2025/0109639 A1Ravdos Holdings Inc.
Most cited
By later US patents
- Plunger pump fluid end186US 8,784,081 B12014
- Mud pump87US 9,011,111 B22015
- Well service pumping assembly44US 5,246,355 ASpecial Projects Manufacturing Inc. · 1993
- Plural-stage gas compressor40US 5,078,580 ADresser-Rand Company · 1992
- Anti-friction sucker rod guide assembly38US 4,182,537 AConoco Inc. · 1980