F01L 1/252
For side-valve engines
Official title: {for side-valve engines}
F01L1/252 (For side-valve engines) appears on 6 US grants and 3 published applications in this corpus.
Search patents in F01L- Granted patents
- 6
- Published applications
- 3
- Assignees
- 4
- Inventors
- 9
- Latest grant
- 9 Sep 2014
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 1 |
| 2014 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Engine and cylinder with gas exchange through the cylinder wall9 Sep 2014US 8,826,881 B2Mahle Koenig Kommanditgesellschaft GmbH & Co. KG
- Integrally cast block and gaseous fuel injected generator engine3 Dec 2013US 8,596,240 B2
- Economy engine27 Apr 1993US 5,205,246 A
- Hydraulic valve lifter16 Apr 1991US 5,007,388 ABriggs & Stratton Corporation
- Inner element for an hydraulic valve play compensation element12 Sep 1989US 4,864,982 AMotomak Motorenbau, Maschinen-und Werkzeugfabrik, Konstruktionen GmbH
- Engine and cylinder with gas exchange through the cylinder wall29 Aug 2013US 2013/0220264 A1Mahle Koenig Kommanditgesellschaft GmbH & Co. KG
- Integrally cast block and gaseous fuel injected generator engine31 Mar 2011US 2011/0073064 A1
- Piston engine comprising member to cover bottom face of valve head of poppet valve22 Jul 2010US 2010/0180851 A1
Most cited
By later US patents
- Economy engine7US 5,205,246 A1993
- Inner element for an hydraulic valve play compensation element4US 4,864,982 AMotomak Motorenbau, Maschinen-und Werkzeugfabrik, Konstruktionen GmbH · 1989
- Hydraulic valve lifter2US 5,007,388 ABriggs & Stratton Corporation · 1991
- Integrally cast block and gaseous fuel injected generator engine1US 8,596,240 B22013