F01C 1/3447
The vanes having the form of rollers, slippers or the like
Official title: {the vanes having the form of rollers, slippers or the like}
F01C1/3447 (The vanes having the form of rollers, slippers or the like) appears on 7 US grants and 3 published applications in this corpus.
Search patents in F01C- Granted patents
- 7
- Published applications
- 3
- Assignees
- 6
- Inventors
- 10
- Latest grant
- 31 May 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 2 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Rotary sliding vane machine with hydrostatic slide bearings for the vanes31 May 2022US 11,346,222 B2Tocircle Industries AS
- Shaft rotating double-stator multi-speed motor with curves of constant width24 May 2016US 9,347,317 B2Yanshan University
- Planetary rotary type fluid motor or engine and compressor or pump26 Apr 2016US 9,322,272 B2Beijing Rostar Technology Co. Ltd
- Rotary pump28 Oct 2003US 6,637,313 B1Ker-Train Holdings Ltd.
- Desmodromic mechanism15 May 2001US 6,231,468 B1
- A rotary sliding vane machine with hydrostatic slide bearings for the vanes26 Nov 2020US 2020/0370552 A1Tocircle Industries AS
- Planetary rotary type fluid motor or engine and compressor or pump11 Apr 2013US 2013/0089447 A11-2, Floors, East of 3rd Building Jintianhengye In park
- Shaft rotating double-stator multi-speed motor with curves of constant width14 Feb 2013US 2013/0039795 A1Yan University
Most cited
By later US patents