F04C 2/348
The vanes positively engaging, with circumferential play, an outer rotatable member
Official title: the vanes positively engaging, with circumferential play, an outer rotatable member
F04C2/348 (The vanes positively engaging, with circumferential play, an outer rotatable member) appears on 32 US grants and 33 published applications in this corpus.
Search patents in F04C- Granted patents
- 32
- Published applications
- 33
- Assignees
- 32
- Inventors
- 66
- Latest grant
- 17 Sep 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 3 |
| 2007 | 1 | 1 |
| 2008 | 1 | 0 |
| 2009 | 1 | 4 |
| 2010 | 0 | 3 |
| 2011 | 1 | 1 |
| 2012 | 3 | 0 |
| 2013 | 0 | 3 |
| 2014 | 1 | 2 |
| 2015 | 2 | 0 |
| 2016 | 2 | 2 |
| 2017 | 0 | 2 |
| 2018 | 3 | 3 |
| 2019 | 0 | 0 |
| 2020 | 2 | 2 |
| 2021 | 1 | 2 |
| 2022 | 1 | 2 |
| 2023 | 0 | 2 |
| 2024 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Fuel pump with determinant translating cam arrangement17 Sep 2024US 12,092,103 B2Eaton Intelligent Power Limited
- Rotary vane device with longitudinally extending seals16 Jan 2024US 11,873,816 B2Regi U.S., Inc.
- Dual vane pump with pre-pressurization passages6 Dec 2022US 11,519,407 B2Hamilton Sundstrand Corporation
- Automotive liquid pendulum vane pump7 Dec 2021US 11,193,484 B2Pierburg Pump Technology GmbH
- Vane oil pump with different back pressure supplied to vanes28 Jul 2020US 10,724,373 B2Aisin Aw Co., Ltd.
- Rotary vane device with longitudinally extending seals15 Jun 2023US 2023/0184127 A1Regi U.S., Inc.
- Fuel pump with determinant translating cam arrangement30 Mar 2023US 2023/0096852 A1Eaton Intelligent Power Limited
- Vane motor15 Sep 2022US 2022/0290566 A1Exdl Co., Ltd.
- Dual vane pump with pre-pressurization passages28 Apr 2022US 2022/0128051 A1Hamilton Sundstrand Corporation
- Rotary vane pump2 Sep 2021US 2021/0270266 A1FTE automotive GmbH
Most cited
By later US patents
- Variable displacement pump having rotating cam ring13US 7,108,493 B2Argo-Tech Corporation · 2006
- Variable displacement pump11US 9,109,596 B2Hitachi Automotive Systems, Ltd. · 2015
- Vane pump housing7US 3,995,977 ANissan Motor Co., Ltd. · 1976
- Rotary vane pump7US 4,673,343 A1987
- Rotary vane pump7US 4,773,836 AJ. C. Moore Research, Inc. · 1988