F04C 2/44
With vanes hinged to the inner member
Official title: with vanes hinged to the inner member
F04C2/44 (With vanes hinged to the inner member) appears on 29 US grants and 24 published applications in this corpus.
Search patents in F04C- Granted patents
- 29
- Published applications
- 24
- Assignees
- 22
- Inventors
- 50
- Latest grant
- 7 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 3 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 2 | 2 |
| 2015 | 0 | 3 |
| 2016 | 1 | 2 |
| 2017 | 2 | 1 |
| 2018 | 2 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 4 |
| 2021 | 0 | 1 |
| 2022 | 4 | 1 |
| 2023 | 1 | 2 |
| 2024 | 0 | 1 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Rotary pump or motor with improved intake, exhaust, vane and bearingless sleeve features7 Oct 2025US 12,435,717 B2
- Rotary pump with discharge control28 Nov 2023US 11,828,181 B2
- Portable fuel pump31 May 2022US 11,346,341 B2Tuthill Corporation
- Multi-chamber impeller pump24 May 2022US 11,339,782 B2LeimbachCausey, LLC
- Vane rotary compressor12 Apr 2022US 11,300,122 B2LG Electronics Inc.
- Rotary pump or motor with improved intake, exhaust, vane and bearingless sleeve features4 Dec 2025US 2025/0369440 A1
- Automotive pendulum-slider pump26 Dec 2024US 2024/0426296 A1Pierburg Pump Technology GmbH
- Rotary pump or motor with improved intake, exhaust, vane and bearingless sleeve features16 Mar 2023US 2023/0083167 A1
- Fluid pump and temperature management system comprising the fluid pump, and motor vehicle comprising the fluid pump and/or the temperature management system2 Feb 2023US 2023/0031795 A1Nidec Gpm GmbH
- Rotary pump with discharge control14 Apr 2022US 2022/0112808 A1
Most cited
By later US patents
- Auto suction hybrid pump99US 7,014,417 B2Horn GmbH & Co. KG · 2006
- Marine drive water pump40US 4,392,779 ABrunswick Corporation · 1983
- Oil pump having pivoting vanes24US 4,990,074 AAisin Seiki Kabushiki Kaisha · 1991
- Hinged vane rotary pump21US 5,571,005 ADelaware Capital Formation, Inc. · 1996
- Rotary piston apparatus18US 4,451,215 ASKF Kugellagerfabriken GmbH · 1984