F01B 9/023
Of bourke-type or scotch yoke
Official title: {of Bourke-type or Scotch yoke}
F01B9/023 (Of bourke-type or scotch yoke) appears on 145 US grants and 93 published applications in this corpus.
Search patents in F01B- Granted patents
- 145
- Published applications
- 93
- Assignees
- 52
- Inventors
- 178
- Latest grant
- 13 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 5 | 0 |
| 1985 | 6 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 7 | 0 |
| 1995 | 5 | 0 |
| 1996 | 9 | 0 |
| 1997 | 6 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 0 | 0 |
| 2001 | 4 | 1 |
| 2002 | 0 | 1 |
| 2003 | 2 | 1 |
| 2004 | 3 | 5 |
| 2005 | 1 | 2 |
| 2006 | 0 | 3 |
| 2007 | 2 | 6 |
| 2008 | 2 | 2 |
| 2009 | 3 | 5 |
| 2010 | 1 | 3 |
| 2011 | 0 | 3 |
| 2012 | 2 | 6 |
| 2013 | 4 | 12 |
| 2014 | 8 | 6 |
| 2015 | 5 | 4 |
| 2016 | 2 | 1 |
| 2017 | 4 | 7 |
| 2018 | 5 | 2 |
| 2019 | 9 | 2 |
| 2020 | 2 | 4 |
| 2021 | 4 | 4 |
| 2022 | 0 | 9 |
| 2023 | 4 | 2 |
| 2024 | 3 | 1 |
| 2025 | 2 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Internal combustion engine with improved oil pump arrangement13 Jan 2026US 12,523,166 B2ASF Technologies (Australia) Pty Ltd
- Internal combustion engine22 Jul 2025US 12,366,200 B2ASF Technologies (Australia) Pty Ltd
- Internal combustion engine having targeted engine lubrication18 Mar 2025US 12,253,111 B2ASF Technologies (Australia) Pty Ltd
- Internal combustion engine having crankshaft guide12 Nov 2024US 12,140,074 B2ASF Technologies (Australia) Pty Ltd
- Cleaner, more efficient engines21 May 2024US 11,988,135 B2
- Free piston engine12 Feb 2026US 2026/0043344 A1
- Cleaner, More Efficient Engines15 Feb 2024US 2024/0052777 A1
- Quadruple acting scotch yoke engine12 Oct 2023US 2023/0323807 A1
- Four piston scotch yoke actuator2 Mar 2023US 2023/0063294 A1Habonim Industrial Valves & Actuators Ltd.
- Internal combustion engine having targeted engine lubrication22 Dec 2022US 2022/0403876 A1ASF Technologies (Australia) Pty Ltd
Most cited
By later US patents
- Opposed piston internal combustion engine with inviscid layer sealing470US 9,909,492 B2Prime Group Alliance, LLC · 2018
- Scotch yoke engine with variable stroke and compression ratio64US 4,485,768 A1984
- Cam controlled reciprocating piston device54US 4,459,945 A1984
- Bourke type engine49US 4,013,048 A1977
- Internal combustion engine with stroke specialized cylinders47US 5,546,897 A1996