F02F 1/32
The cylinder heads being of overhead valve type
Official title: the cylinder heads being of overhead valve type
F02F1/32 (The cylinder heads being of overhead valve type) appears on 31 US grants and 7 published applications in this corpus.
Search patents in F02F- Granted patents
- 31
- Published applications
- 7
- Assignees
- 16
- Inventors
- 53
- Latest grant
- 9 Jun 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 5 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 1 |
| 2019 | 0 | 1 |
| 2020 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Motor engine having an oxygen sensor9 Jun 2020US 10,677,137 B2Southern Taiwan University of Science and Technology
- Engine cylinder head push rod tube configuration10 Jul 2018US 10,018,081 B2Champion Engine Technology, LLC
- Ignition plug cooling device of vehicle-use engine4 Mar 2014US 8,662,025 B2Honda Motor Co., Ltd.
- Air-cooled engine28 Jun 2011US 7,966,987 B2Honda Motor Co., Ltd.
- Concave combustion chamber21 Aug 2007US 7,258,093 B2
- Motor engine having an oxygen sensor23 May 2019US 2019/0153924 A1Southern Taiwan University of Science and Technology
- Engine operable in horizontal and vertical shaft orientations27 Dec 2018US 2018/0371990 A1Briggs & Stratton Corporation
- Engine cylinder head push rod tube configuration12 Nov 2015US 2015/0322882 A1Champion Engine Technology, LLC
- Ignition plug cooling device of vehicle-use engine29 Sep 2011US 2011/0232592 A1Honda Motor Co., Ltd.
- Air-cooled engine13 Aug 2009US 2009/0199793 A1Honda Motor Co., Ltd.
Most cited
By later US patents
- Belt transmission having air cooling function80US 4,531,928 AHonda Giken Kogyo Kabushiki Kaisha · 1985
- Belt transmission having circulated air cooling function66US 4,493,677 AHonda Motor Co., Ltd. · 1985
- Cylinder assembly for an aircraft engine19US 6,832,589 B2Textron Lycoming, A division of Avco Corporation · 2004
- Four-cycle engine18US 5,421,297 AKawasaki Jukogyo Kabushiki Kaisha · 1995
- Cylinder head for an air-cooled internal combustion engine13US 4,216,746 A1980