F01L 7/10
Rotary or oscillatory slide valve-gear or valve arrangements: with valves of other
Official title: with valves of other specific shape, e.g. spherical
F01L7/10 (Rotary or oscillatory slide valve-gear or valve arrangements: with valves of other) appears on 70 US grants and 26 published applications in this corpus.
Search patents in F01L- Granted patents
- 70
- Published applications
- 26
- Assignees
- 21
- Inventors
- 85
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 5 | 0 |
| 1990 | 6 | 0 |
| 1991 | 6 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 1 |
| 2002 | 2 | 1 |
| 2003 | 0 | 1 |
| 2004 | 2 | 1 |
| 2005 | 1 | 1 |
| 2006 | 2 | 1 |
| 2007 | 1 | 0 |
| 2008 | 1 | 6 |
| 2009 | 1 | 1 |
| 2010 | 3 | 0 |
| 2011 | 0 | 0 |
| 2012 | 2 | 2 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 2 |
| 2020 | 0 | 1 |
| 2021 | 2 | 1 |
| 2022 | 1 | 3 |
| 2023 | 3 | 2 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Rotary flow control apparatus19 May 2026US 12,631,082 B1Tempress Technologies, Inc.
- Multi-port exhaust valve17 Feb 2026US 12,553,402 B2Arctic Cat Inc.
- Multi-port exhaust valve for two-stroke engines19 Sep 2023US 11,761,358 B2Arctic Cat Inc.
- Internal combustion engine valve system and method11 Apr 2023US 11,624,300 B2
- Internal combustion engine valve system and method10 Jan 2023US 11,549,409 B2
- Multi-port exhaust valve9 Nov 2023US 2023/0359403 A1Arctic Cat Inc.
- Multi-port exhaust valve for two-stroke engines17 Aug 2023US 2023/0258110 A1Arctic Cat Inc.
- Internal combustion engine valve system and method24 Nov 2022US 2022/0372897 A1Lse R&D Engineering Limited
- Internal combustion engine valve system and method17 Nov 2022US 2022/0364484 A1Lse R&D Engineering Limited
- Method for introducing highly precompressed combustion air into a combustion chamber of an internal combustion engine, high-pressure inlet valve therefor and internal combustion engine having such a high-pressure inlet valve24 Mar 2022US 2022/0090522 A1Erwin Junker Grinding Technology A.S.
Most cited
By later US patents
- Exhaust timing control device for a two-cycle engine46US 4,364,346 AYamaha Hatsudoki Kabushiki Kaisha · 1982
- Spherical rotary valve assembly for an internal combustion engine41US 4,944,261 A1990
- Valve seal for rotary valve engine39US 4,976,232 A1990
- Spherical rotary valve33US 5,109,814 A1992
- Spherical rotary valve assembly for an internal combustion engine32US 4,989,558 A1991