F23D 11/30
With return feed of uncombusted sprayed fuel to reservoir
Official title: with return feed of uncombusted sprayed fuel to reservoir
F23D11/30 (With return feed of uncombusted sprayed fuel to reservoir) appears on 12 US grants and 8 published applications in this corpus.
Search patents in F23D- Granted patents
- 12
- Published applications
- 8
- Assignees
- 7
- Inventors
- 23
- Latest grant
- 20 Mar 2018
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 3 |
| 2005 | 3 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 2 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Compact dual-fuel combustion system, and fluid heating system and packaged burner system including the same26 Sep 2019US 2019/0293285 A1Fulton Group N.A., Inc.
- Heating system22 Jun 2017US 2017/0176021 A1ProGreen Labs, LLC
- Heating system10 Sep 2015US 2015/0253017 A1ProGreen Labs, LLC
- Burner for Unprocessed Oils16 Jul 2015US 2015/0198329 A1
- Burner for Unprocessed Waste Oils3 Jan 2013US 2013/0000533 A1
Most cited
By later US patents
- Method of producing an atomized liquid to be conveyed in a stream of carrier gas and apparatus for implementing the method29US 5,261,949 ASintermetallwerk Krebsoge GmbH · 1993
- Combustion apparatus13US 6,918,757 B2Noritz Corporation · 2005
- Lantern and fuel system and method9US 6,688,877 B12004
- Collector shoe for collector and process for producing it8US 5,193,656 AHoffmann & Co. Elektrokohle Gesellschaft mbH · 1993
- Camping stove with preheat system5US 7,568,911 B12009