F04B 27/0886
Piston shoes
Official title: {Piston shoes}
F04B27/0886 (Piston shoes) appears on 121 US grants and 98 published applications in this corpus.
Search patents in F04B- Granted patents
- 121
- Published applications
- 98
- Assignees
- 45
- Inventors
- 239
- Latest grant
- 9 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 5 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 7 | 0 |
| 2000 | 2 | 0 |
| 2001 | 7 | 1 |
| 2002 | 7 | 19 |
| 2003 | 8 | 10 |
| 2004 | 7 | 5 |
| 2005 | 2 | 3 |
| 2006 | 4 | 1 |
| 2007 | 5 | 6 |
| 2008 | 2 | 4 |
| 2009 | 0 | 5 |
| 2010 | 3 | 5 |
| 2011 | 3 | 3 |
| 2012 | 2 | 1 |
| 2013 | 2 | 7 |
| 2014 | 3 | 3 |
| 2015 | 6 | 6 |
| 2016 | 5 | 3 |
| 2017 | 3 | 5 |
| 2018 | 3 | 3 |
| 2019 | 3 | 4 |
| 2020 | 4 | 0 |
| 2021 | 1 | 0 |
| 2022 | 1 | 0 |
| 2023 | 2 | 1 |
| 2024 | 0 | 1 |
| 2025 | 2 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Hydrostatic shoe with face seal9 Dec 2025US 12,492,637 B2Goodrich Corporation
- Compressor having bulged bushings25 Mar 2025US 12,258,965 B2Daikin Industries, Ltd.
- Piston of a hydraulic piston machine28 Nov 2023US 11,828,274 B2Danfoss A/S
- Compressor3 Oct 2023US 11,773,837 B1T/CCI Manufacturing, L.L.C.
- Wobble plate compressor and oxygen concentrator using the same9 Aug 2022US 11,408,407 B2Caire Inc.
- Hydrostatic shoe with face seal31 Jul 2025US 2025/0243758 A1Goodrich Corporation
- Ball support arrangement for axial piston machines26 Jun 2025US 2025/0207664 A1
- Compression mechanism1 Aug 2024US 2024/0254989 A1Daikin Industries, Ltd.
- Piston of a hydraulic piston machine7 Sep 2023US 2023/0279947 A1Danfoss A/S
- Swash plate compressor31 Oct 2019US 2019/0331105 A1Kabushiki Kaisha Toyota Jidoshokki
Most cited
By later US patents
- Swash plate type compressor37US 4,285,640 AKabushiki Kaisha Toyoda Jidoshokki Seisakusho · 1981
- Swash-plate type compressor30US 4,568,252 AKabushiki Kaisha Toyoda Jidoshokki Seisakusho · 1986
- Swash plate type compressor shoe29US 4,662,267 AKabushiki Kaisha Toyoda Jidoshokki Seisakusho · 1987
- Piston joint28US 7,011,469 B2R. Sanderson Management, Inc. · 2006
- Vehicle air conditioning compressor23US 4,037,522 AKabushiki Kaisha Toyoda Jidoshokki Seisakusho · 1977