F02F 1/30
Finned cylinder heads
F02F1/30 (Finned cylinder heads) appears on 75 US grants and 35 published applications in this corpus.
Search patents in F02F- Granted patents
- 75
- Published applications
- 35
- Assignees
- 40
- Inventors
- 148
- Latest grant
- 7 Sep 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 8 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 1 |
| 2002 | 1 | 1 |
| 2003 | 1 | 1 |
| 2004 | 2 | 5 |
| 2005 | 4 | 2 |
| 2006 | 1 | 1 |
| 2007 | 2 | 4 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 1 | 1 |
| 2012 | 0 | 2 |
| 2013 | 0 | 3 |
| 2014 | 2 | 0 |
| 2015 | 2 | 3 |
| 2016 | 2 | 0 |
| 2017 | 2 | 2 |
| 2018 | 2 | 2 |
| 2019 | 1 | 3 |
| 2020 | 1 | 2 |
| 2021 | 2 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Cylinder head7 Sep 2021US 11,111,876 B2Toyota Jidosha Kabushiki Kaisha
- Thermally enhanced exhaust port liner27 Apr 2021US 10,989,137 B2Cartridge Limited
- Motor engine having an oxygen sensor9 Jun 2020US 10,677,137 B2Southern Taiwan University of Science and Technology
- Engine10 Sep 2019US 10,408,161 B2Yanmar Co., Ltd.
- Engine cylinder head push rod tube configuration10 Jul 2018US 10,018,081 B2Champion Engine Technology, LLC
- Cylinder head15 Oct 2020US 2020/0325846 A1Toyota Jidosha Kabushiki Kaisha
- Thermally enhanced exhaust port liner30 Apr 2020US 2020/0132014 A1Cartridge Limited
- Methods and apparatus for an actively cooled cylinder block26 Dec 2019US 2019/0390628 A1
- Motor engine having an oxygen sensor23 May 2019US 2019/0153924 A1Southern Taiwan University of Science and Technology
- Heat exchange device23 May 2019US 2019/0154361 A1Toyota Jidosha Kabushiki Kaisha
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 head assembly37US 5,421,292 ARyobi Outdoor Products · 1995
- Four-stroke internal combustion engine28US 6,810,849 B1Briggs & Stratton Corporation · 2004
- Crankcase breather and lubrication oil system for an internal combustion engine26US 4,926,814 ATecumseh Products Company · 1990