F02B 25/145
With intake and exhaust valves exclusively in the cylinder head
Official title: {with intake and exhaust valves exclusively in the cylinder head}
F02B25/145 (With intake and exhaust valves exclusively in the cylinder head) appears on 150 US grants and 112 published applications in this corpus.
Search patents in F02B- Granted patents
- 150
- Published applications
- 112
- Assignees
- 49
- Inventors
- 246
- Latest grant
- 5 Sep 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 5 | 0 |
| 1989 | 5 | 0 |
| 1990 | 4 | 0 |
| 1991 | 11 | 0 |
| 1992 | 7 | 0 |
| 1993 | 7 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 1 | 0 |
| 2006 | 1 | 2 |
| 2007 | 3 | 3 |
| 2008 | 0 | 2 |
| 2009 | 2 | 3 |
| 2010 | 2 | 5 |
| 2011 | 3 | 8 |
| 2012 | 2 | 4 |
| 2013 | 3 | 5 |
| 2014 | 3 | 3 |
| 2015 | 2 | 7 |
| 2016 | 6 | 13 |
| 2017 | 10 | 11 |
| 2018 | 17 | 19 |
| 2019 | 13 | 10 |
| 2020 | 13 | 11 |
| 2021 | 8 | 1 |
| 2022 | 4 | 3 |
| 2023 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
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- Camshaft for internal-combustion engine29 Aug 2023US 11,739,685 B2
- Method and devices for operating an internal combustion engine having a supercharging system26 Jul 2022US 11,396,842 B2Volkswagen Aktiengesellschaft
- Variable compression ratio internal combustion engine5 Jul 2022US 11,378,021 B2Toyota Jidosha Kabushiki Kaisha
- Two-stroke engine with supercharger1 Feb 2022US 11,236,684 B1Mazda Motor Corporation
- Combustion engine4 Aug 2022US 2022/0243647 A1Airdaptive LLC
- Camshaft for internal-combustion engine17 Mar 2022US 2022/0082048 A1
- Two-stroke engine with supercharger3 Feb 2022US 2022/0034265 A1Mazda Motor Corporation
- Internal-combustion engine and drive system25 Feb 2021US 2021/0054780 A1
- Methods and systems for estimating a composition of flow through a scavenge exhaust gas recirculation system of a split exhaust engine system10 Dec 2020US 2020/0386127 A1Ford Global Technologies, LLC
Most cited
By later US patents
- Two-cycle internal combustion engine43US 4,732,117 AToyota Jidosha Kabushiki Kaisha · 1988
- Variable-cycle engine42US 5,022,353 AIsuzu Ceramics Research Institute Co., Ltd. · 1991
- Two-stroke internal combustion engines41US 4,162,662 A1979
- Internal combustion engine41US 5,305,720 AMitsubishi Jidosha Kogyo Kabushiki Kaisha · 1994
- Internal combustion engine37US 5,261,358 AAardvark Pty Ltd. · 1993