F02B 27/06
The systems having variable, i.e. adjustable, cross-sectional areas, chambers of variable volume
Official title: the systems having variable, i.e. adjustable, cross-sectional areas, chambers of variable volume, or like variable means
F02B27/06 (The systems having variable, i.e. adjustable, cross-sectional areas, chambers of variable volume) appears on 87 US grants and 41 published applications in this corpus.
Search patents in F02B- Granted patents
- 87
- Published applications
- 41
- Assignees
- 39
- Inventors
- 172
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 6 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 5 | 0 |
| 1989 | 9 | 0 |
| 1990 | 8 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 3 |
| 2003 | 1 | 6 |
| 2004 | 6 | 3 |
| 2005 | 3 | 4 |
| 2006 | 1 | 1 |
| 2007 | 2 | 2 |
| 2008 | 1 | 1 |
| 2009 | 0 | 2 |
| 2010 | 2 | 1 |
| 2011 | 0 | 1 |
| 2012 | 2 | 2 |
| 2013 | 0 | 1 |
| 2014 | 1 | 1 |
| 2015 | 0 | 2 |
| 2016 | 1 | 0 |
| 2017 | 0 | 2 |
| 2018 | 0 | 1 |
| 2019 | 1 | 1 |
| 2020 | 1 | 1 |
| 2021 | 2 | 4 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
| 2025 | 1 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fluidic turbo heater system10 Feb 2026US 12,546,273 B2Jetoptera, Inc.
- Variable exhaust control system11 Nov 2025US 12,467,399 B2
- Fluidic turbo heater system23 Apr 2024US 11,965,456 B2Jetoptera, Inc.
- Exhaust-gas aftertreatment arrangement30 Aug 2022US 11,428,131 B2Ford Global Technologies, LLC
- Engine system including pivoting vane turbocharger having vane(s) that are adjustable to one position while other vane(s) of the turbocharger are adjusted to another position9 Nov 2021US 11,168,580 B2GM Global Technology Operations LLC
- Fluidic turbo heater system21 May 2026US 2026/0139639 A1Jetoptera, Inc.
- Fluidic turbo heater system6 Feb 2025US 2025/0043713 A1Jetoptera, Inc.
- Engine System Including Pivoting Vane Turbocharger Having Vane(s) That Are Adjustable To One Position While Other Vane(s) Of The Turbocharger Are Adjusted To Another Position8 Jul 2021US 2021/0207489 A1GM Global Technology Operations LLC
- Exhaust-gas aftertreatment arrangement1 Jul 2021US 2021/0199033 A1Ford Global Technologies, LLC
- Fluidic turbo heater system6 May 2021US 2021/0131338 A1Jetoptera, Inc.
Most cited
By later US patents
- Muffler with catalytic converter arrangement; and method53US 5,355,973 ADonaldson Company, Inc. · 1994
- Power control valve attachment for two cycle motorcycle type engine exhaust systems44US 3,969,895 A1976
- Two cycle engine32US 4,541,371 ASuzuki Motor Corporation · 1985
- Exhaust recharging of a four cycle internal combustion engine29US 5,050,378 A1991
- Control system of exhaust for internal combustion engine27US 4,522,029 AHonda Giken Kogyo Kabushiki Kaisha · 1985