F23D 11/32
Burners using a direct spraying action of liquid droplets or vaporised liquid
Official title: by electrostatic means
F23D11/32 (Burners using a direct spraying action of liquid droplets or vaporised liquid) appears on 34 US grants and 29 published applications in this corpus.
Search patents in F23D- Granted patents
- 34
- Published applications
- 29
- Assignees
- 27
- Inventors
- 67
- Latest grant
- 6 Oct 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 2 |
| 2002 | 3 | 1 |
| 2003 | 0 | 2 |
| 2004 | 2 | 2 |
| 2005 | 1 | 2 |
| 2006 | 0 | 3 |
| 2007 | 1 | 2 |
| 2008 | 0 | 0 |
| 2009 | 2 | 5 |
| 2010 | 0 | 1 |
| 2011 | 3 | 0 |
| 2012 | 1 | 3 |
| 2013 | 1 | 0 |
| 2014 | 2 | 1 |
| 2015 | 2 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 1 |
| 2020 | 2 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Scramjets and associated aircraft and methods6 Oct 2020US 10,794,331 B2The Boeing Company
- Electrostatic flame control technology18 Feb 2020US 10,563,626 B2United Technologies Corporation
- System and method for applying an electric field to a flame with a current gated electrode7 May 2019US 10,281,141 B2Clearsign Combustion Corporation
- Current gated electrode for applying an electric field to a flame11 Jul 2017US 9,702,547 B2Clearsign Combustion Corporation
- Device and method for electrostatically spraying a liquid17 Nov 2015US 9,188,332 B2Centre National De La Recherche Scientifique
- Resonant Cavity Electrospray Systems and Methods19 Feb 2026US 2026/0048404 A1Lockheed Martin Corporation
- Electrostatic flame control technology2 Jan 2020US 2020/0003165 A1United Technologies Corporation
- Scramjets and associated aircraft and methods31 Jan 2019US 2019/0032603 A1The Boeing Company
- System and method for applying an electric field to a flame with a current gated electrode21 Sep 2017US 2017/0268769 A1Clearsign Combustion Corporation
- Current gated electrode for applying an electric field to a flame21 Apr 2016US 2016/0109118 A1Clearsign Combustion Corporation
Most cited
By later US patents
- Commonly housed electrostatic fuel atomizer and igniter apparatus for combustors60US 5,515,681 ASimmonds Precision Engine Systems, Inc. · 1996
- Electrostatic fuel injector body with igniter electrodes formed in the housing55US 5,588,299 ASimmonds Precision Engine Systems, Inc. · 1996
- Dual orifice spray nozzle using two swirl chambers50US 3,945,574 A1976
- Electrospray systems and methods46US 7,557,342 B2Georgia Tech Research Corporation · 2009
- Fuel injector utilizing non-thermal plasma activation46US 7,625,531 B1Los Alamos National Security, LLC · 2009