F02M 27/08
Apparatus for treating combustion-air, fuel, or fuel-air mixture, by catalysts, electric means
Official title: by sonic or ultrasonic waves
F02M27/08 (Apparatus for treating combustion-air, fuel, or fuel-air mixture, by catalysts, electric means) appears on 138 US grants and 78 published applications in this corpus.
Search patents in F02M- Granted patents
- 138
- Published applications
- 78
- Assignees
- 56
- Inventors
- 204
- Latest grant
- 1 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 9 | 0 |
| 1978 | 10 | 0 |
| 1979 | 2 | 0 |
| 1980 | 5 | 0 |
| 1981 | 1 | 0 |
| 1982 | 8 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 5 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 4 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 5 | 0 |
| 2001 | 1 | 0 |
| 2002 | 4 | 0 |
| 2003 | 0 | 3 |
| 2004 | 2 | 1 |
| 2005 | 1 | 3 |
| 2006 | 0 | 3 |
| 2007 | 2 | 7 |
| 2008 | 2 | 5 |
| 2009 | 3 | 4 |
| 2010 | 5 | 7 |
| 2011 | 7 | 5 |
| 2012 | 2 | 5 |
| 2013 | 5 | 4 |
| 2014 | 6 | 7 |
| 2015 | 2 | 3 |
| 2016 | 6 | 5 |
| 2017 | 4 | 2 |
| 2018 | 2 | 5 |
| 2019 | 5 | 4 |
| 2020 | 2 | 2 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Fuel vaporizer system1 Apr 2025US 12,264,641 B2
- Apparatus, system, and method for vaporizing fuel mixture12 May 2020US 10,648,430 B2
- Sonication-assisted fuel deoxygenation7 Jan 2020US 10,527,011 B2Hamilton Sundstrand Corporation
- System for reducing fuel consumption and increasing output of internal combustion engine using output-wave26 Nov 2019US 10,487,783 B2
- Engine exhaust particulate removal and utilization18 Jun 2019US 10,323,613 B2Illinois Valley Holding Company
- Method for improving fuel efficiency13 Mar 2025US 2025/0084329 A1
- Fuel vaporizer system9 Jan 2025US 2025/0012243 A1
- Leak detection apparatus6 May 2021US 2021/0131906 A1Aisan Kogyo Kabushiki Kaisha
- Thermo-kinetic reactor with micro-nuclear implosions22 Oct 2020US 2020/0335229 A1
- Fuel supply apparatus for internal combustion engine23 Jul 2020US 2020/0232430 A1Toyota Jidosha Kabushiki Kaisha
Most cited
By later US patents
- Ultrasonic humidifiers, atomizers and the like129US 4,085,893 A1978
- Apparatus and method for emulsifying a pressurized multi-component liquid76US 6,380,264 B1Kimberly-Clark Corporation · 2002
- Ultrasonic wave fuel injection and supply device70US 4,105,004 AKabushiki Kaisha Toyota Chuo Kenkyusho · 1978
- Liquid atomizer52US 4,865,006 AHitachi, Ltd. · 1989
- Apparatus for ultrasonically assisted melt extrusion of fibers43US 6,036,467 AKimberly-Clark Worldwide, Inc. · 2000