F02F 7/0036
Casings for two-stroke engines with scavenging conduits
Official title: {Casings for two-stroke engines with scavenging conduits}
F02F7/0036 (Casings for two-stroke engines with scavenging conduits) appears on 28 US grants and 22 published applications in this corpus.
Search patents in F02F- Granted patents
- 28
- Published applications
- 22
- Assignees
- 14
- Inventors
- 35
- Latest grant
- 11 Apr 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 1 |
| 2003 | 1 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 2 |
| 2008 | 1 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 2 |
| 2015 | 2 | 5 |
| 2016 | 2 | 2 |
| 2017 | 2 | 0 |
| 2018 | 3 | 1 |
| 2019 | 1 | 2 |
| 2020 | 1 | 1 |
| 2021 | 2 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Two-cycle engine11 Apr 2023US 11,624,337 B2Yamabiko Corporation
- Internal combustion engines19 Oct 2021US 11,149,628 B2Amaroq Limited
- Stratified scavenging engine and portable work machine23 Feb 2021US 10,927,789 B2Yamabiko Corporation
- Cylinder structure of internal combustion engine7 Jan 2020US 10,526,997 B2
- Two-cycle engine29 Jan 2019US 10,190,534 B2Maruyama Mfg.Co., Inc.
- Two-cycle engine2 Feb 2023US 2023/0036494 A1Yamabiko Corporation
- Stratified scavenging engine and portable work machine26 Mar 2020US 2020/0095953 A1Yamabiko Corporation
- Internal combustion engines24 Oct 2019US 2019/0323419 A1Amaroq Limited
- Cylinder Structure of Internal Combustion Engine18 Jul 2019US 2019/0218994 A1
- Internal combustion engines15 Mar 2018US 2018/0073424 A1Amaroq Limited
Most cited
By later US patents
- Two-stroke cycle engine24US 6,257,179 B1Mitsubishi Heavy Industries, Ltd. · 2001
- Two-stroke cycle engine15US 6,408,805 B1Mitsubishi Heavy Industries, Ltd. · 2002
- Internal combustion engine with die castable loop transfer system7US 4,328,770 ABrunswick Corporation · 1982
- Two-stroke cycle engine6US 6,564,761 B22003
- Sealing element for internal combustion engine4US 5,456,229 ASOLO Kleinmotoren GmbH · 1995