F01B 5/003
The connection of the pistons with an actuated or actuating element being
Official title: {the connection of the pistons with an actuated or actuating element being at the outer ends of the cylinders}
F01B5/003 (The connection of the pistons with an actuated or actuating element being) appears on 6 US grants and 4 published applications in this corpus.
Search patents in F01B- Granted patents
- 6
- Published applications
- 4
- Assignees
- 2
- Inventors
- 5
- Latest grant
- 7 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 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 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
| 2024 | 1 | 1 |
| 2025 | 1 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Rotational engine with inner and outer rings7 Oct 2025US 12,435,632 B2Duplicent, LLC
- Rotational engine with inner and outer rings24 Sep 2024US 12,098,641 B2Duplicent, LLC
- Rotational engine with inner and outer rings4 Apr 2023US 11,619,133 B2Duplicent, LLC
- Hydraulic centrifugal piston motor2 Feb 1993US 5,182,977 A
- Stirling cycle apparatus22 Sep 1981US 4,290,264 ABritish Aerospace Public Limited Company
Most cited
By later US patents
- Circular motion reciprocating engine6US 3,939,808 A1976
- Stirling cycle apparatus4US 4,290,264 ABritish Aerospace Public Limited Company · 1981
- Hydraulic centrifugal piston motor3US 5,182,977 A1993
- Rotational engine with inner and outer rings2US 11,619,133 B2Duplicent, LLC · 2023
- Rotational engine with inner and outer rings1US 12,098,641 B2Duplicent, LLC · 2024