F23N 2227/40
Catalytic ignition
F23N2227/40 (Catalytic ignition) appears on 5 US grants and 3 published applications in this corpus.
Search patents in F23N- Granted patents
- 5
- Published applications
- 3
- Assignees
- 5
- Inventors
- 11
- Latest grant
- 30 Nov 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 1 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Pyrophoric liquid ignition system for pilot burners and flare tips30 Nov 2021US 11,187,409 B2Saudi Arabian Oil Company
- Pyrophoric liquid ignition system for pilot burners and flare tips24 Dec 2019US 10,514,166 B2Saudi Arabian Oil Company
- Gas powered heating device1 Sep 1998US 5,799,648 AOglesby & Butler Research & Development Limited
- Induced draft combustion water heater10 Jun 1997US 5,636,598 ASABH (U.S.) Water Heater Group, Inc.
- Gas fired appliance igntion and combustion monitoring system27 May 1997US 5,632,614 AAtwood Industries, Inc.
- Pyrophoric liquid ignition system for pilot burners and flare tips16 Apr 2020US 2020/0116354 A1Saudi Arabian Oil Company
- Pyrophoric liquid ignition system for pilot burners and flare tips28 Feb 2019US 2019/0063743 A1Saudi Arabian Oil Company
- Turbine engine cvc combustion chamber module comprising a pre-combustion chamber31 May 2018US 2018/0149365 A1Safran Helicopter Engines
Most cited
By later US patents
- Gas fired appliance igntion and combustion monitoring system41US 5,632,614 AAtwood Industries, Inc. · 1997
- Induced draft combustion water heater17US 5,636,598 ASABH (U.S.) Water Heater Group, Inc. · 1997
- Gas powered heating device9US 5,799,648 AOglesby & Butler Research & Development Limited · 1998
- Pyrophoric liquid ignition system for pilot burners and flare tips2US 10,514,166 B2Saudi Arabian Oil Company · 2019
- Pyrophoric liquid ignition system for pilot burners and flare tips1US 11,187,409 B2Saudi Arabian Oil Company · 2021