F01L 7/025
Cylindrical valves comprising radial inlet and side outlet or side inlet and
Official title: {Cylindrical valves comprising radial inlet and side outlet or side inlet and radial outlet}
F01L7/025 (Cylindrical valves comprising radial inlet and side outlet or side inlet and) appears on 15 US grants and 10 published applications in this corpus.
Search patents in F01L- Granted patents
- 15
- Published applications
- 10
- Assignees
- 5
- Inventors
- 15
- Latest grant
- 11 Apr 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 3 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 1 |
| 2022 | 2 | 2 |
| 2023 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- 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
- Apparatus and method for valve timing in an internal combustion engine2 Aug 2022US 11,401,840 B2
- External heat source engine with slide valves17 May 2022US 11,333,047 B2H2P Systems
- System for controlling fluid flow19 Apr 2011US 7,926,461 B2Perkins Engines Company Limited
- 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
- Apparatus and method for valve timing in an internal combustion engine7 Jan 2021US 2021/0003043 A1Lse R&D Engineering Limited
- External heat source engine with slide valves30 Jul 2020US 2020/0240297 A1H2P Systems
- Method and apparatus for a high flow cylinder head for internal combustion engines4 Oct 2012US 2012/0247425 A1
Most cited
By later US patents
- Internal combustion engine36US 4,553,385 A1985
- Variable timing rotary valve for an internal combustion engine19US 4,421,077 A1983
- Rotary valve for an internal combustion engine16US 4,370,955 A1983
- Valve seal for rotary valve engine15US 6,666,458 B22003
- Valve seal for rotary valve engine15US 6,718,933 B12004