F02B 2700/03
Two stroke engines
F02B2700/03 (Two stroke engines) appears on 21 US grants and 12 published applications in this corpus.
Search patents in F02B- Granted patents
- 21
- Published applications
- 12
- Assignees
- 10
- Inventors
- 27
- Latest grant
- 22 Mar 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 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 | 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 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 2 |
| 2014 | 2 | 2 |
| 2015 | 2 | 1 |
| 2016 | 2 | 0 |
| 2017 | 0 | 0 |
| 2018 | 2 | 0 |
| 2019 | 1 | 1 |
| 2020 | 2 | 2 |
| 2021 | 0 | 1 |
| 2022 | 1 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
- F02B 2700/037Scavenging or charging channels or openingsIndexing code11
- F02B 2700/034With measures for charging, increasing the powerIndexing code3
- F02B 2700/035With reservoir for scavenging or charging airIndexing code1
- F02B 2700/031With measures for removing exhaust gases from the cylinderIndexing code0
- F02B 2700/038With measures for compressing the cylinder chargeIndexing code0
Recent patents
- Two stroke engine with valves actuated by air pressure near bottom dead center22 Mar 2022US 11,280,254 B2
- Two-cycle diesel engine configured for operation with high temperature combustion chamber surfaces14 Jul 2020US 10,711,681 B2DeltaHawk Engines, Inc.
- Method and system for detecting and adapting to fuel differences for an engine4 Feb 2020US 10,550,774 B1Polaris Industries Inc.
- Two-cycle diesel engine configured for operation with high temperature combustion chamber surfaces29 Oct 2019US 10,458,307 B2DeltaHawk Engines, Inc.
- Internal combustion engine with coaxially aligned pistons3 Jul 2018US 10,012,145 B1
- External compression engine21 Apr 2022US 2022/0120184 A1
- A two stroke engine with valves actuated by air pressure near bottom dead center23 Sep 2021US 2021/0293177 A1
- Two-Cycle Diesel Engine Configured for Operation with High Temperature Combustion Chamber Surfaces17 Sep 2020US 2020/0291844 A1DeltaHawk Engines, Inc.
- Two-Cycle Diesel Engine Configured for Operation with High Temperature Combustion Chamber Surfaces16 Jan 2020US 2020/0018220 A1DeltaHawk Engines, Inc.
- Two-Cycle Diesel Engine Configured for Operation with High Temperature Combustion Chamber Surfaces25 Apr 2019US 2019/0120117 A1DeltaHawk Engines, Inc.
Most cited
By later US patents
- Engine valve means and porting27US 4,000,723 APerformance Industries, Inc. · 1977
- Engine valving and porting21US 4,051,820 APerformance Industries, Inc. · 1977
- Two cycle internal combustion engine15US 4,161,163 APerformance Industries, Inc. · 1979
- Two cycle internal combustion engine14US 4,202,299 APerformance Industries, Inc. · 1980
- Two cycle internal combustion engine10US 4,062,331 APerformance Industries, Inc. · 1977