F02B 41/08
Two-stroke compound engines
F02B41/08 (Two-stroke compound engines) appears on 32 US grants and 32 published applications in this corpus.
Search patents in F02B- Granted patents
- 32
- Published applications
- 32
- Assignees
- 10
- Inventors
- 37
- Latest grant
- 5 Sep 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 1 | 1 |
| 2006 | 2 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 6 |
| 2010 | 4 | 4 |
| 2011 | 1 | 1 |
| 2012 | 1 | 2 |
| 2013 | 4 | 1 |
| 2014 | 0 | 2 |
| 2015 | 1 | 3 |
| 2016 | 3 | 2 |
| 2017 | 2 | 1 |
| 2018 | 3 | 1 |
| 2019 | 2 | 1 |
| 2020 | 0 | 2 |
| 2021 | 2 | 0 |
| 2022 | 0 | 1 |
| 2023 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Combustion engine5 Sep 2023US 11,746,690 B2Airdaptive LLC
- Split-cycle internal combustion engine29 Aug 2023US 11,739,682 B2Fpt Industrial S.P.A.
- Method for controlling an internal combustion engine system12 Oct 2021US 11,143,119 B2Volvo Truck Corporation
- Internal combustion engine arrangement10 Aug 2021US 11,085,368 B2Volvo Truck Corporation
- Method and apparatus for controlling a single-shaft dual expansion internal combustion engine31 Dec 2019US 10,519,835 B2GM Global Technology Operations LLC
- Split-cycle internal combustion engine5 Jan 2023US 2023/0003165 A1Fpt Industrial S.P.A.
- Combustion engine4 Aug 2022US 2022/0243647 A1Airdaptive LLC
- A method for controlling an internal combustion engine system23 Jul 2020US 2020/0232397 A1Volvo Truck Corporation
- Internal combustion engine arrangement9 Jul 2020US 2020/0217244 A1Volvo Truck Corporation
- Method and apparatus for controlling a single-shaft dual expansion internal combustion engine13 Jun 2019US 2019/0178137 A1GM Global Technology Operations LLC
Most cited
By later US patents
- Internal combustion engine having multiple expansion and compression39US 5,072,589 A1991
- Split-cycle engine with dwell piston motion25US 7,121,236 B22006
- Eight-stroke internal combustion engine utilizing a slave cylinder16US 6,918,358 B22005
- Split-cycle engine with dwell piston motion16US 6,986,329 B22006
- Internal combustion engine with dual exhaust expansion cylinders15US 6,393,841 B12002