F01C 9/005
The piston oscillating in the space
Official title: {the piston oscillating in the space, e.g. around a fixed point (rotary piston machines or engines with non-parallel axes of rotation between co-operating members F01C3/00)}
F01C9/005 (The piston oscillating in the space) appears on 93 US grants and 43 published applications in this corpus.
Search patents in F01C- Granted patents
- 93
- Published applications
- 43
- Assignees
- 19
- Inventors
- 85
- Latest grant
- 9 Aug 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 13 | 0 |
| 1977 | 7 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 1 |
| 2002 | 3 | 2 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 5 |
| 2006 | 0 | 3 |
| 2007 | 3 | 1 |
| 2008 | 4 | 6 |
| 2009 | 1 | 5 |
| 2010 | 4 | 5 |
| 2011 | 2 | 0 |
| 2012 | 4 | 3 |
| 2013 | 1 | 2 |
| 2014 | 2 | 2 |
| 2015 | 6 | 2 |
| 2016 | 1 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 2 |
| 2019 | 2 | 0 |
| 2020 | 0 | 3 |
| 2021 | 2 | 1 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Rotational displacement apparatus9 Aug 2022US 11,408,286 B2Fetu Limited
- Roticulating thermodynamic apparatus10 Aug 2021US 11,085,301 B2Fetu Limited
- Roticulating thermodynamic apparatus27 Apr 2021US 10,989,053 B2Fetu Limited
- Rotational displacement apparatus15 Oct 2019US 10,443,383 B2Fetu Limited
- Multiple axis rotary engine18 Jun 2019US 10,323,517 B2
- Device for rolling motion by energy from fuel-oil combustion9 Dec 2021US 2021/0381424 A1
- Roticulating Thermodynamic Apparatus31 Dec 2020US 2020/0408096 A1Fetu Limited
- Roticulating Thermodynamic Apparatus24 Dec 2020US 2020/0400023 A1Fetu Limited
- Rotational Displacement Apparatus30 Jan 2020US 2020/0032652 A1Fetu Limited
- Multiple axis rotary engine10 May 2018US 2018/0128106 A1
Most cited
By later US patents
- Spherical fluid pump or motor with spherical ball comprising two parts21US 5,199,864 ASouthwest Research Institute · 1993
- Pump module, pump base module and pump system21US 9,470,220 B2Fresenius Kabu Deutschland GmbH · 2016
- Power conversion machine with pistons rotating in pairs relative to each other in a spherical housing19US 5,147,193 A3D International A/S · 1992
- Nutating internal combustion engine19US 5,251,594 A1993
- Spherical fluid machine with control mechanism15US 6,241,493 B1Spherical Machines, Inc. · 2001