F04C 2/3445
The vanes having the form of rollers, slippers or the like
Official title: {the vanes having the form of rollers, slippers or the like}
F04C2/3445 (The vanes having the form of rollers, slippers or the like) appears on 36 US grants and 27 published applications in this corpus.
Search patents in F04C- Granted patents
- 36
- Published applications
- 27
- Assignees
- 23
- Inventors
- 65
- Latest grant
- 16 Apr 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 5 | 0 |
| 2003 | 1 | 1 |
| 2004 | 2 | 1 |
| 2005 | 0 | 2 |
| 2006 | 1 | 1 |
| 2007 | 1 | 3 |
| 2008 | 1 | 2 |
| 2009 | 2 | 2 |
| 2010 | 3 | 5 |
| 2011 | 0 | 1 |
| 2012 | 3 | 1 |
| 2013 | 1 | 1 |
| 2014 | 0 | 1 |
| 2015 | 3 | 2 |
| 2016 | 1 | 1 |
| 2017 | 2 | 0 |
| 2018 | 1 | 1 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Paddle wheel apparatus and method of use thereof16 Apr 2024US 11,958,572 B2
- Pump comprising a spring12 Oct 2021US 11,143,181 B2Schwäbische Hüttenwerke Automotive GmbH
- Pump comprising a spring25 Sep 2018US 10,082,139 B2Schwäbische Hüttenwerke Automotive GmbH
- Grounding device for brushless electric motor13 Jun 2017US 9,680,355 B2Carter Fuel Systems, LLC
- Rotary pump and rotary motor2 May 2017US 9,638,186 B1
- Paddle wheel apparatus and method of use thereof3 Jun 2021US 2021/0163103 A1
- Pump with rotor having arcuate slots and vanes10 Jan 2019US 2019/0010942 A1Albert's Generator Services Inc.
- Pump comprising a spring27 Dec 2018US 2018/0372097 A1Schwäbische Hüttenwerke Automotive GmbH
- Pump20 Oct 2016US 2016/0305428 A1Schwäbische Hüttenwerke Automotive GmbH
- Integrated Brushless Direct Current Motor and Lift Pump23 Jul 2015US 2015/0204327 A1Clarcor Engine Mobile Solutions, LLC
Most cited
By later US patents
- Rotary variable expansible chamber-kinetic hybrid pump20US 6,824,369 B22004
- Rotary two axis expansible chamber pump with pivotal link8US 6,659,744 B12003
- Slippers for rollers in a roller vane pump8US 7,686,602 B1Sauer-Danfoss Inc. · 2010
- Oil pump arrangement in a transmission8US 9,033,107 B2ZF Friedrichshafen AG · 2015
- Assembly for feeding fuel from a supply tank to an internal combustion engine7US 5,582,510 ARobert Bosch GmbH · 1996