F23D 11/42
Starting devices
Official title: Starting devices (igniting F23Q)
F23D11/42 (Starting devices) appears on 44 US grants and 33 published applications in this corpus.
Search patents in F23D- Granted patents
- 44
- Published applications
- 33
- Assignees
- 26
- Inventors
- 83
- Latest grant
- 26 Dec 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 3 |
| 2012 | 2 | 3 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 1 | 10 |
| 2016 | 4 | 1 |
| 2017 | 4 | 1 |
| 2018 | 3 | 2 |
| 2019 | 3 | 3 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
| 2022 | 2 | 2 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Tool with improved ignition efficiency26 Dec 2023US 11,852,342 B2Pro-Iroda Industries, Inc.
- Burner with multiple sections and control for adaptable use2 Aug 2022US 11,402,092 B2Whirlpool Corporation
- Crude and waste oil burner22 Feb 2022US 11,255,540 B2
- Fuel combustion system with a perforated reaction holder26 Oct 2021US 11,156,356 B2Clearsign Technologies Corporation
- Fuel combustion system with a perforated reaction holder2 Jul 2019US 10,337,729 B2Clearsign Combustion Corporation
- Tool with improved ignition efficiency28 Jul 2022US 2022/0235935 A1Pro-Iroda Industries, Inc.
- Burner with multiple sections and control for adaptable use20 Jan 2022US 2022/0018534 A1Whirlpool Corporation
- Crude and waste oil burner24 Dec 2020US 2020/0400310 A1
- Fuel combustion system with a perforated reaction holder12 Sep 2019US 2019/0277492 A1Clearsign Combustion Corporation
- Perforated flame holder support structure with heating element9 May 2019US 2019/0137096 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
- Burner with a perforated flame holder and pre-heat apparatus52US 9,377,190 B2Clearsign Combustion Corporation · 2016
- Method for flame location transition from a start-up location to a perforated flame holder49US 9,388,981 B2Clearsign Combustion Corporation · 2016
- Thermoelectric field burner48US 4,773,847 ATecogen, Inc. · 1988