F23J 2213/30
Specific materials
F23J2213/30 (Specific materials) appears on 38 US grants and 30 published applications in this corpus.
Search patents in F23J- Granted patents
- 38
- Published applications
- 30
- Assignees
- 26
- Inventors
- 78
- Latest grant
- 24 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 1 |
| 2002 | 0 | 1 |
| 2003 | 2 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 2 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 4 |
| 2010 | 0 | 4 |
| 2011 | 1 | 1 |
| 2012 | 1 | 3 |
| 2013 | 1 | 1 |
| 2014 | 2 | 1 |
| 2015 | 0 | 2 |
| 2016 | 1 | 0 |
| 2017 | 0 | 2 |
| 2018 | 2 | 2 |
| 2019 | 3 | 2 |
| 2020 | 3 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Non-return valve for a flow channel through which a flow of air flows24 Feb 2026US 12,560,242 B2Skoberne GmbH
- Device for safely re-directing carbon monoxide exhaust from generators21 Mar 2023US 11,608,769 B2
- Fume exhaust assembly and gas water heater28 Jun 2022US 11,371,749 B2
- Effective discharge of exhaust from submerged combustion melters and methods6 Oct 2020US 10,793,459 B2Johns Manville
- Universal chimney pipe cover23 Jun 2020US 10,690,343 B2Top Hat Chimney Systems, Inc.
- Non-return valve for a flow channel through which a flow of air flows14 Nov 2024US 2024/0376986 A1Skoberne GmbH
- Device for safely re-directing carbon monoxide exhaust from generators22 Sep 2022US 2022/0298953 A1
- Fume exhaust assembly and gas water heater22 Jul 2021US 2021/0222912 A1Wuhu Midea Kitchen and Bath Appliances Mfg. Co., Ltd.
- Effective discharge of exhaust from submerged combustion melters and methods13 Jun 2019US 2019/0177200 A1Johns Manville
- Flexible Chimney Liner2 May 2019US 2019/0128518 A1Olympia Chimney Supply
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