F01B 3/0023
Actuating or actuated elements
Official title: {Actuating or actuated elements}
F01B3/0023 (Actuating or actuated elements) appears on 59 US grants and 47 published applications in this corpus.
Search patents in F01B- Granted patents
- 59
- Published applications
- 47
- Assignees
- 32
- Inventors
- 83
- Latest grant
- 14 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 5 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 3 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 2 |
| 2005 | 3 | 4 |
| 2006 | 5 | 1 |
| 2007 | 1 | 2 |
| 2008 | 0 | 4 |
| 2009 | 0 | 1 |
| 2010 | 1 | 5 |
| 2011 | 0 | 2 |
| 2012 | 2 | 3 |
| 2013 | 2 | 0 |
| 2014 | 2 | 2 |
| 2015 | 3 | 3 |
| 2016 | 2 | 1 |
| 2017 | 2 | 2 |
| 2018 | 3 | 2 |
| 2019 | 2 | 2 |
| 2020 | 3 | 2 |
| 2021 | 4 | 1 |
| 2022 | 2 | 3 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
| 2025 | 1 | 2 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Carriage assembly14 Jan 2025US 12,196,084 B2Zpe Ltd
- Aircraft engine with opposed piston engine11 Jun 2024US 12,006,826 B2Hts LLC
- Opposed piston engine2 Aug 2022US 11,401,812 B2Hts LLC
- Cam-driven radial rotary engine incorporating an HCCI apparatus21 Jun 2022US 11,365,674 B2
- Hybrid engine19 Oct 2021US 11,149,629 B2Hts LLC
- Propulsion apparatus5 Jun 2025US 2025/0180042 A1
- Cam profile drive assembly1 May 2025US 2025/0137371 A1
- Carriage assembly14 Nov 2024US 2024/0376823 A1Zpe Ltd
- Aircraft engine with opposed piston engine8 Dec 2022US 2022/0389818 A1Hts LLC
- Cam-driven radial rotary engine incorporating an hcci apparatus19 May 2022US 2022/0154633 A1
Most cited
By later US patents
- Piston engine assembly37US 6,397,794 B1R. Sanderson Management, Inc. · 2002
- Crosshead system for stirling engine36US 5,771,694 AStirling Thermal Motors, Inc. · 1998
- Piston engine assembly34US 6,446,587 B1R. Sanderson Management, Inc. · 2002
- Piston engine balancing33US 6,460,450 B1R. Sanderson Management, Inc. · 2002
- Piston type energy conversion machine29US 4,152,944 AVadetec Corporation · 1979