F01C 3/06
The axes being arranged otherwise than at an angle of 90 degrees
Official title: the axes being arranged otherwise than at an angle of 90 degrees
F01C3/06 (The axes being arranged otherwise than at an angle of 90 degrees) appears on 74 US grants and 42 published applications in this corpus.
Search patents in F01C- Granted patents
- 74
- Published applications
- 42
- Assignees
- 26
- Inventors
- 56
- Latest grant
- 31 Dec 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 2 |
| 2002 | 3 | 3 |
| 2003 | 3 | 1 |
| 2004 | 2 | 1 |
| 2005 | 2 | 2 |
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
| 2008 | 2 | 2 |
| 2009 | 1 | 1 |
| 2010 | 2 | 7 |
| 2011 | 1 | 1 |
| 2012 | 0 | 2 |
| 2013 | 3 | 4 |
| 2014 | 4 | 2 |
| 2015 | 5 | 3 |
| 2016 | 2 | 0 |
| 2017 | 2 | 2 |
| 2018 | 2 | 1 |
| 2019 | 2 | 1 |
| 2020 | 0 | 1 |
| 2021 | 1 | 1 |
| 2022 | 1 | 1 |
| 2023 | 2 | 0 |
| 2024 | 1 | 1 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Rotary positive displacement device31 Dec 2024US 12,180,960 B2Spherical Rotors Inc.
- Internal combustion engine and method for operating an internal combustion engine25 Apr 2023US 11,635,018 B2
- Rotary fluid flow device28 Mar 2023US 11,614,089 B2
- Rotational displacement apparatus9 Aug 2022US 11,408,286 B2Fetu Limited
- Rotary fluid flow device13 Apr 2021US 10,975,869 B2Exponential Technologies, Inc.
- Rotary positive displacement device24 Apr 2025US 2025/0129778 A1Spherical Rotors Inc.
- Rotary positive displacement device21 Nov 2024US 2024/0384720 A1Spherical Rotors Inc.
- Internal combustion engine and method for operating an internal combustion engine14 Apr 2022US 2022/0112837 A1
- Rotary Fluid Flow Device30 Sep 2021US 2021/0301825 A1
- Rotational Displacement Apparatus30 Jan 2020US 2020/0032652 A1Fetu Limited
Most cited
By later US patents
- Rotary positive displacement engine39US 5,755,196 AOutland Design Technologies, Inc. · 1998
- Rotary positive displacement engine29US 6,036,463 AOutland Technologies (USA), Inc. · 2000
- Rotary engine and method for determining engagement surface contours therefor24US 6,739,852 B1Outland Technologies (USA), Inc. · 2004
- Spherical fluid pump or motor with spherical ball comprising two parts21US 5,199,864 ASouthwest Research Institute · 1993
- Rotary energy-transmitting mechanism19US 4,191,032 A1980