F23J 2213/301
Flexible
Official title: flexible
F23J2213/301 (Flexible) appears on 14 US grants and 6 published applications in this corpus.
Search patents in F23J- Granted patents
- 14
- Published applications
- 6
- Assignees
- 8
- Inventors
- 19
- Latest grant
- 23 Apr 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 2 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 2 | 1 |
| 2019 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Flexible chimney hose liner23 Apr 2019US 10,267,438 B2Hose Master, Inc.
- Flexible chimney hose liner29 May 2018US 9,982,811 B2Hose Master, Inc.
- Exhaust structure for combustion apparatus and construction method thereof13 Feb 2018US 9,890,952 B2Noritz Corporation
- Floating flue10 Jun 2014US 8,746,163 B2
- Rubber boot-based roof flashing apparatus5 May 2009US 7,526,895 B2Selkirk, Inc.
- Flexible chimney hose liner30 Aug 2018US 2018/0245718 A1Hose Master, Inc.
- Flexible chimney hose liner10 Dec 2015US 2015/0354733 A1Hose Master, Inc.
- Exhaust structure for combustion apparatus and construction method thereof29 Oct 2015US 2015/0308323 A1Noritz America Corporation
- Floating flue15 Dec 2011US 2011/0303141 A1
- Rubber boot-based roof flashing apparatus22 Jun 2006US 2006/0130411 A1Selkirk, Inc.
Most cited
By later US patents
- Chimney liner system41US 4,846,147 ASimpson Dura Vent Company, Inc. · 1989
- Gas appliance connection26US 5,165,732 ASimpson Dura Vent Company, Inc. · 1992
- Method for forming a spiral-wound flexible piping24US 5,222,288 ATru-Flex Metal Hose Corporation · 1993
- Multi-layered flexible piping and method and machine for forming same24US 5,228,479 ATru-Flex Metal Hose Corporation · 1993
- Flexible double wall vent pipe24US 5,393,260 AEljer Manufacturing, Inc. · 1995