F01C 5/00
Rotary-piston machines or engines with the working-chamber walls at least partly resiliently
Official title: Rotary-piston machines or engines with the working-chamber walls at least partly resiliently deformable
F01C5/00 (Rotary-piston machines or engines with the working-chamber walls at least partly resiliently) appears on 39 US grants and 27 published applications in this corpus.
Search patents in F01C- Granted patents
- 39
- Published applications
- 27
- Assignees
- 17
- Inventors
- 49
- Latest grant
- 19 Apr 2022
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 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 2 |
| 2003 | 3 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 3 |
| 2010 | 1 | 2 |
| 2011 | 1 | 0 |
| 2012 | 2 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 2 |
| 2015 | 1 | 1 |
| 2016 | 0 | 3 |
| 2017 | 4 | 0 |
| 2018 | 2 | 6 |
| 2019 | 2 | 2 |
| 2020 | 5 | 1 |
| 2021 | 2 | 1 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Pump device19 Apr 2022US 11,306,710 B2ebm-Papst St.Georgen GmbH & Co. KG
- Curved flexible impeller6 Jul 2021US 11,053,937 B2Nok Corporation
- Pump assembly2 Mar 2021US 10,935,025 B2Quantex Patents Limited
- Rotary pump with deformable pump ring9 Jun 2020US 10,677,059 B2ebm-Papst St.Georgen GmbH & Co. KG
- Pump device10 Mar 2020US 10,584,588 B2ebm-Papst St.Georgen GmbH & Co. KG
- Pump device and method for at least locally sealing the pump device21 Oct 2021US 2021/0324843 A1ebm-Papst St.Georgen GmbH & Co. KG
- Pump device30 Apr 2020US 2020/0132065 A1ebm-Papst St.Georgen GmbH & Co. KG
- Impeller8 Aug 2019US 2019/0242379 A1Nok Corporation
- Pump assembly14 Feb 2019US 2019/0048871 A1Quantex Patents Limited
- Pumps15 Mar 2018US 2018/0073503 A1Quantex Patents Limited
Most cited
By later US patents
- Flexible vane rotary engine35US 6,659,065 B12003
- Compressed air driven disposable hand tool having a rotor with radially moving vanes23US 5,984,654 ADenticator International, Inc. · 1999
- Compressed air driven disposable hand tool having a rotor with radially moving vanes20US 5,743,718 ADenticator International, Inc. · 1998
- Hydristor heat pump14US 6,612,117 B22003
- Method for making a stator13US 8,215,014 B2Moyno, Inc. · 2012