F01B 9/08
With ratchet and pawl
Official title: with ratchet and pawl
F01B9/08 (With ratchet and pawl) appears on 17 US grants and 11 published applications in this corpus.
Search patents in F01B- Granted patents
- 17
- Published applications
- 11
- Assignees
- 9
- Inventors
- 27
- Latest grant
- 13 Apr 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 3 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 1 | 1 |
| 2013 | 1 | 1 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Operation system for piston-type expander, and operation method for piston-type expander13 Apr 2021US 10,975,765 B2Isuzu Motors Limited
- Internal combustion engine with gear-driven crankshaft18 Apr 2017US 9,624,772 B2Wilkins IP, LLC
- Combustion engine with a pair of one-way clutches used as a rotary shaft14 Jul 2015US 9,080,498 B2
- Transmission arrangement20 Aug 2013US 8,511,204 B2Harju Linearwandler AB
- Non-crankshaft engine21 Aug 2012US 8,245,686 B2
- Operation system for piston-type expander, and operation method for piston-type expander31 Dec 2020US 2020/0408146 A1Isuzu Motors Limited
- Combustion engine with a pair of one-way clutches used as a rotary shaft27 Mar 2014US 2014/0083378 A1
- Internal combustion engine with gear-driven crankshaft24 Jan 2013US 2013/0019836 A1Wilkins IP, LLC
- Compact, high-efficiency integrated resonant power systems15 Nov 2012US 2012/0286521 A1Georgia Tech Research Corporation
- Free-piston compressed-gas engine variant and engine pinion with several decompression stages and return springs8 Sep 2011US 2011/0214563 A1
Most cited
By later US patents
- Engine with rack gear-type piston rod20US 5,673,665 AKia Motors Corporation · 1997
- Pinion gear assembly for translating reciprocating movements of the pistons in the cylinders of an internal combustion engine into the rotating movement of a shaft16US 4,907,548 A1990
- Ratchet driving internal combustion engine9US 3,991,736 AThe Raymond Lee Organization, Inc. · 1976
- Transducer for converting linear energy to rotational energy9US 5,461,863 AThermal Dynamics Corporation · 1995
- Compound rotary internal combustion engine8US 4,744,736 A1988