F01B 9/06
The piston motion being transmitted by curved surfaces
Official title: the piston motion being transmitted by curved surfaces
F01B9/06 (The piston motion being transmitted by curved surfaces) appears on 199 US grants and 155 published applications in this corpus.
Search patents in F01B- Granted patents
- 199
- Published applications
- 155
- Assignees
- 67
- Inventors
- 272
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 5 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 5 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 5 | 0 |
| 1997 | 4 | 0 |
| 1998 | 5 | 0 |
| 1999 | 4 | 0 |
| 2000 | 6 | 0 |
| 2001 | 7 | 2 |
| 2002 | 5 | 3 |
| 2003 | 2 | 3 |
| 2004 | 4 | 9 |
| 2005 | 4 | 6 |
| 2006 | 6 | 7 |
| 2007 | 4 | 10 |
| 2008 | 6 | 4 |
| 2009 | 4 | 10 |
| 2010 | 2 | 7 |
| 2011 | 4 | 12 |
| 2012 | 9 | 7 |
| 2013 | 4 | 6 |
| 2014 | 9 | 9 |
| 2015 | 5 | 8 |
| 2016 | 8 | 11 |
| 2017 | 6 | 4 |
| 2018 | 4 | 3 |
| 2019 | 3 | 9 |
| 2020 | 4 | 6 |
| 2021 | 7 | 8 |
| 2022 | 9 | 6 |
| 2023 | 7 | 2 |
| 2024 | 2 | 0 |
| 2025 | 0 | 2 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
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- System for the reversible transformation of a reciprocating motion in a rotary motion28 May 2024US 11,994,030 B2Ibs Motortech Italia Srl
- Piston cam drive28 Nov 2023US 11,828,180 B2
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- System for the reversible transformation of a reciprocating motion in a rotary motion23 Feb 2023US 2023/0059790 A1Ibs Motortech Italia Srl
Most cited
By later US patents