F23J 2213/202
Between duct or stack sections
Official title: between duct or stack sections
F23J2213/202 (Between duct or stack sections) appears on 60 US grants and 50 published applications in this corpus.
Search patents in F23J- Granted patents
- 60
- Published applications
- 50
- Assignees
- 46
- Inventors
- 126
- Latest grant
- 25 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 2 | 1 |
| 2004 | 2 | 0 |
| 2005 | 0 | 3 |
| 2006 | 0 | 1 |
| 2007 | 0 | 5 |
| 2008 | 1 | 2 |
| 2009 | 0 | 2 |
| 2010 | 0 | 4 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 3 | 4 |
| 2014 | 4 | 1 |
| 2015 | 0 | 5 |
| 2016 | 2 | 1 |
| 2017 | 2 | 3 |
| 2018 | 4 | 2 |
| 2019 | 2 | 3 |
| 2020 | 3 | 4 |
| 2021 | 1 | 0 |
| 2022 | 2 | 3 |
| 2023 | 2 | 1 |
| 2024 | 1 | 1 |
| 2025 | 1 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Joint seal system and method25 Mar 2025US 12,259,130 B2The Schebler Co.
- Apparatus, methods, and systems for providing a modular tubular exhaust27 Feb 2024US 11,913,642 B2
- Cross compatible adapter for chimney sections with different outer diameters21 Nov 2023US 11,821,626 B2Cardinal IP Holding, LLC
- Device for safely re-directing carbon monoxide exhaust from generators21 Mar 2023US 11,608,769 B2
- Conduit locking system for an appliance14 Jun 2022US 11,359,749 B2DuraVent, Inc.
- Joint seal system & method18 Sep 2025US 2025/0290630 A1The Schebler Co.
- Joint Seal System & Method3 Jul 2025US 2025/0216073 A1The Schebler Co.
- Joint Seal System & Method29 Aug 2024US 2024/0288163 A1The Schebler Co.
- Joint Seal System & Method22 Jun 2023US 2023/0194084 A1The Schebler Co.
- Device for safely re-directing carbon monoxide exhaust from generators22 Sep 2022US 2022/0298953 A1
Most cited
By later US patents
- Chimney liner system41US 4,846,147 ASimpson Dura Vent Company, Inc. · 1989
- Method and apparatus for powered flue products exhaust and preheated combustion air supply37US 4,262,608 A1981
- Fume duct joint with clamping collar29US 5,961,154 A1999
- Securing device of a fluid line connection27US 8,474,878 B2Centrotherm Systemtechnik GmbH · 2013
- Tab-lock fastener for interlocking vent pipe25US 6,811,190 B1Metal-Fab, Inc. · 2004