F04B 53/145
Rod shock absorber
Official title: {Rod shock absorber}
F04B53/145 (Rod shock absorber) appears on 31 US grants and 25 published applications in this corpus.
Search patents in F04B- Granted patents
- 31
- Published applications
- 25
- Assignees
- 21
- Inventors
- 56
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 1 | 1 |
| 2009 | 1 | 0 |
| 2010 | 1 | 4 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 1 |
| 2016 | 0 | 2 |
| 2017 | 1 | 0 |
| 2018 | 2 | 1 |
| 2019 | 0 | 2 |
| 2020 | 2 | 1 |
| 2021 | 0 | 5 |
| 2022 | 1 | 0 |
| 2023 | 2 | 2 |
| 2024 | 2 | 1 |
| 2025 | 2 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Portable blowing and suction air compressor31 Mar 2026US 12,590,579 B2Unik World Industrial Co., Ltd.
- Positive displacement machine, compressor, cooling device, and electronic apparatus21 Oct 2025US 12,449,168 B2Seiko Epson Corporation
- Linear compressor4 Mar 2025US 12,241,460 B2LG Electronics Inc.
- Reciprocating-piston machine, compressed air supply system, vehicle and method for producing a reciprocating-piston machine6 Aug 2024US 12,055,134 B2Zf Cv Systems Europe BV
- Compression apparatus and filling station comprising such an apparatus23 Apr 2024US 11,965,624 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Portable blowing and suction air compressor4 Dec 2025US 2025/0369437 A1Unik World Industrial Co., Ltd.
- Decoupled bearing for linear compressor8 Aug 2024US 2024/0263625 A1Attollo Engineering, LLC
- Linear compressor3 Aug 2023US 2023/0243345 A1LG Electronics Inc.
- Positive displacement machine, compressor, cooling device, and electronic apparatus30 Mar 2023US 2023/0097432 A1Seiko Epson Corporation
- Reciprocating-piston machine, compressed air supply system, vehicle and method for producing a reciprocating-piston machine30 Dec 2021US 2021/0404458 A1ZF CV Systems Hannover GmbH
Most cited
By later US patents
- Internal shock absorber plunger28US 7,523,783 B2Production Control Services, Inc. · 2009
- Oil well sucker rod shock absorber26US 4,571,162 A1986
- Down hole shock absorber24US 4,997,037 A1991
- Sucker rod shock absorber16US 4,354,397 A1982
- Connecting rod for a multiple compressor pump15US 5,529,467 AHewlett-Packard Company · 1996