F04B 27/0882
Piston shoe retaining means
Official title: {piston shoe retaining means}
F04B27/0882 (Piston shoe retaining means) appears on 28 US grants and 16 published applications in this corpus.
Search patents in F04B- Granted patents
- 28
- Published applications
- 16
- Assignees
- 23
- Inventors
- 86
- Latest grant
- 28 Nov 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 4 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 0 | 3 |
| 2015 | 0 | 0 |
| 2016 | 2 | 0 |
| 2017 | 1 | 2 |
| 2018 | 0 | 1 |
| 2019 | 1 | 2 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Piston of a hydraulic piston machine28 Nov 2023US 11,828,274 B2Danfoss A/S
- Semispherical shoe for swash plate compressor and swash plate compressor24 Mar 2020US 10,598,167 B2Ntn Corporation
- Double-headed piston type swash plate compressor23 Apr 2019US 10,267,299 B2Kabushiki Kaisha Toyota Jidoshokki
- Miniature air pump21 Feb 2017US 9,574,555 B2Xiamen Koge Micro Tech Co., Ltd.
- Hydrostatic axial piston machine and retention plate29 Nov 2016US 9,506,456 B2Robert Bosch GmbH
- Ball support arrangement for axial piston machines26 Jun 2025US 2025/0207664 A1
- Piston of a hydraulic piston machine7 Sep 2023US 2023/0279947 A1Danfoss A/S
- Swash plate compressor31 Oct 2019US 2019/0331105 A1Kabushiki Kaisha Toyota Jidoshokki
- Swash plate type compressor21 Feb 2019US 2019/0055933 A1
- Axial piston machine17 May 2018US 2018/0135413 A1Mahle International GmbH
Most cited
By later US patents
- Swash plate type compressor shoe29US 4,662,267 AKabushiki Kaisha Toyoda Jidoshokki Seisakusho · 1987
- Swash plate compressor with improved piston alignment21US 5,461,967 AGeneral Motors Corporation · 1995
- Swash-plate type compressor21US 5,868,556 ACalsonic Corporation · 1999
- Anti-rolling structure for double headed piston of disc cam type reciprocative compressor19US 4,756,239 AKabushiki Kaisha Toyoda Jidoshokki Seisakusho · 1988
- Refrigeration compressor and system17US 3,934,967 ASundstrand Corporation · 1976