F02B 51/06
Involving rays or sound waves
Official title: involving rays or sound waves
F02B51/06 (Involving rays or sound waves) appears on 34 US grants and 17 published applications in this corpus.
Search patents in F02B- Granted patents
- 34
- Published applications
- 17
- Assignees
- 16
- Inventors
- 42
- Latest grant
- 8 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 2 |
| 2004 | 1 | 1 |
| 2005 | 0 | 2 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 1 | 1 |
| 2015 | 2 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 2 |
| 2020 | 2 | 2 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Use of ultrasound and acoustics to control crystallisation8 Apr 2025US 12,268,995 B2Lewtas Science & Technologies Ltd
- Microwave enhanced combustion with dynamic frequency, power, and timing control and with transmission coefficient for power feedback13 Oct 2020US 10,801,464 B2Southwest Research Institute
- Microwave enhanced combustion with feedback frequency control for dynamic impedance matching22 Sep 2020US 10,781,786 B2Southwest Research Institute
- Microwave enhanced combustion with dynamic frequency, power, and timing control and with power sensor for power feedback5 Nov 2019US 10,465,618 B1Southwest Research Institute
- Infrared-emitting ceramics for fuel activation12 Jul 2016US 9,388,735 B2
- Fluid Supply Device and Fluid Supply Unit for Increasing Combustion Efficiency30 Oct 2025US 2025/0334082 A1Hao Wei Environmental Technology Co., Ltd.
- Use of utrasound and acoustics to control crystallisation12 May 2022US 2022/0143528 A1Lewtas Science & Technologies Ltd
- Microwave Enhanced Combustion With Dynamic Frequency, Power, and Timing Control and with Transmission Coefficient for Power Feedback30 Apr 2020US 2020/0132037 A1Southwest Research Institute
- Microwave Enhanced Combustion With Feedback Frequency Control For Dynamic Impedance Matching23 Apr 2020US 2020/0124018 A1Southwest Research Institute
- Device for optimizing the combustion of hydrocarbons16 May 2019US 2019/0145361 A1
Most cited
By later US patents
- Plasma jet ignition engine and method122US 4,203,393 AFord Motor Company · 1980
- Combustion and pollution control system47US 4,541,367 AOwen, Wickersham & Erickson, P.C. · 1985
- Method and means for stimulating combustion especially of lean mixtures in internal combustion engines38US 4,556,020 AGeneral Motors Corporation · 1985
- Method and apparatus for controlling thermoacoustic vibrations in a combustion system38US 6,464,489 B1Alstom · 2002
- Combustion and pollution control system37US 4,476,817 AOwen, Wickersham & Erickson, P.C. · 1984