F02B 27/00
Use of kinetic or wave energy of charge in induction systems, or
Official title: Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues
F02B27/00 (Use of kinetic or wave energy of charge in induction systems, or) appears on 968 US grants and 477 published applications in this corpus.
Search patents in F02B- Granted patents
- 968
- Published applications
- 477
- Assignees
- 265
- Inventors
- 1,643
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 0 | 0 |
| 1980 | 9 | 0 |
| 1981 | 7 | 0 |
| 1982 | 11 | 0 |
| 1983 | 11 | 0 |
| 1984 | 17 | 0 |
| 1985 | 20 | 0 |
| 1986 | 23 | 0 |
| 1987 | 24 | 0 |
| 1988 | 36 | 0 |
| 1989 | 44 | 0 |
| 1990 | 36 | 0 |
| 1991 | 48 | 0 |
| 1992 | 40 | 0 |
| 1993 | 22 | 0 |
| 1994 | 13 | 0 |
| 1995 | 16 | 0 |
| 1996 | 23 | 0 |
| 1997 | 20 | 0 |
| 1998 | 26 | 0 |
| 1999 | 25 | 0 |
| 2000 | 19 | 0 |
| 2001 | 32 | 10 |
| 2002 | 37 | 22 |
| 2003 | 25 | 40 |
| 2004 | 40 | 33 |
| 2005 | 23 | 37 |
| 2006 | 31 | 32 |
| 2007 | 33 | 32 |
| 2008 | 23 | 31 |
| 2009 | 14 | 29 |
| 2010 | 18 | 26 |
| 2011 | 16 | 12 |
| 2012 | 23 | 16 |
| 2013 | 13 | 20 |
| 2014 | 15 | 16 |
| 2015 | 18 | 24 |
| 2016 | 15 | 16 |
| 2017 | 16 | 11 |
| 2018 | 10 | 7 |
| 2019 | 13 | 10 |
| 2020 | 8 | 22 |
| 2021 | 16 | 14 |
| 2022 | 14 | 5 |
| 2023 | 6 | 2 |
| 2024 | 5 | 1 |
| 2025 | 3 | 4 |
| 2026 | 1 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F02B 27/02The systems having variable, i.e. adjustable, cross-sectional areas, chambers of variable volume526
- F02B 27/04In exhaust systems only244
- F02B 27/005Oscillating pipes with charging achieved by arrangement, dimensions or shapes of intakes194
- F02B 27/008Resonance charging58
- F02B 27/003Use of kinetic or wave energy of charge in induction systems, or24
- F02B 27/001The system having electrically controlled acoustic pulse generating devices16
Recent patents
- Fluidic turbo heater system10 Feb 2026US 12,546,273 B2Jetoptera, Inc.
- Exhaust system for an engine2 Dec 2025US 12,485,997 B2Bombardier Recreational Products Inc.
- Variable exhaust control system11 Nov 2025US 12,467,399 B2
- Convertible silencer15 Jul 2025US 12,359,594 B2Discovery Energy, LLC
- Exhaust system for an engine10 Dec 2024US 12,162,562 B2Bombardier Recreational Preoducts Inc.
- Variable air funnel apparatus1 Oct 2026US 2026/0298133 A1Honda Motor Co., Ltd.
- Fluidic turbo heater system21 May 2026US 2026/0139639 A1Jetoptera, Inc.
- Intake apparatus for internal combustion engine16 Apr 2026US 2026/0104023 A1Toyota Jidosha Kabushiki Kaisha
- Turbocharger assembly9 Apr 2026US 2026/0097827 A1Bombardier Recreational Products Inc.
- Vehicle and method of supplying a fuel-air mixture in an engine5 Mar 2026US 2026/0062095 A1Bombardier Recreational Products Inc.
Most cited
By later US patents
- Adjustable (D)-port insert header for internal combustion engines91US 4,302,935 A1981
- Intake system for internal combustion engine86US 4,763,612 AYamaha Hatsudoki Kabushiki Kaisha · 1988
- Compact integrated engine induction air/fuel system64US 4,776,313 AFord Motor Company · 1988
- Integrated induction system61US 5,003,933 AGeneral Motors Corporation · 1991
- Muffler with catalytic converter arrangement; and method53US 5,355,973 ADonaldson Company, Inc. · 1994