F02B 57/06
Two-stroke engines or other engines with working-piston-controlled cylinder-charge admission or exhaust
Official title: Two-stroke engines or other engines with working-piston-controlled cylinder-charge admission or exhaust (with combustion space in centre of star F02B57/10)
F02B57/06 (Two-stroke engines or other engines with working-piston-controlled cylinder-charge admission or exhaust) appears on 29 US grants and 12 published applications in this corpus.
Search patents in F02B- Granted patents
- 29
- Published applications
- 12
- Assignees
- 7
- Inventors
- 43
- Latest grant
- 2 May 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 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 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 2 |
| 2019 | 0 | 0 |
| 2020 | 1 | 5 |
| 2021 | 1 | 0 |
| 2022 | 5 | 1 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Exhaust gas bypass valve control for a turbocharger for a two-stroke engine2 May 2023US 11,639,684 B2Polaris Industries Inc.
- Rotary vane internal combustion engine30 Aug 2022US 11,428,156 B2
- Pressure differential engine17 May 2022US 11,333,019 B2The Centripetal Energy Company II
- Exhaust gas bypass valve system for a turbocharged engine22 Mar 2022US 11,280,258 B2Polaris Industries Inc.
- Four-stroke rotary- piston engine with adjustable compression ratio and adjustable valve control times1 Mar 2022US 11,261,733 B2
- Rotary vane internal combustion engine20 Jan 2022US 2022/0018282 A1
- Pressure differential engine8 Oct 2020US 2020/0318660 A1The Centripetal Energy Company II
- Exhaust Gas Bypass Valve System For A Turbocharged Engine11 Jun 2020US 2020/0182139 A1Polaris Industries Inc.
- System And Method For Bypassing A Turbocharger Of A Two Stroke Engine11 Jun 2020US 2020/0182140 A1Polaris Industries Inc.
- Method And System For Controlling Pressure In A Tuned Pipe Of A Two Stroke Engine11 Jun 2020US 2020/0182141 A1Polaris Industries Inc.
Most cited
By later US patents
- Rotary engine33US 4,078,529 A1978
- Two-cycle rotary-reciprocal-engine18US 4,022,168 A1977
- Engine with compressor and bypass for combustible mixture17US 3,973,531 ATurner Research, Inc. · 1976
- Expansible chamber apparatus16US 4,077,365 A1978
- System and method for bypassing a turbocharger of a two stroke engine11US 11,131,235 B2Polaris Industries Inc. · 2021