F23J 2213/20
Joints
Official title: Joints; Connections
F23J2213/20 (Joints) appears on 112 US grants and 114 published applications in this corpus.
Search patents in F23J- Granted patents
- 112
- Published applications
- 114
- Assignees
- 88
- Inventors
- 242
- Latest grant
- 24 Feb 2026
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 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 5 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 4 |
| 2003 | 5 | 1 |
| 2004 | 2 | 2 |
| 2005 | 0 | 5 |
| 2006 | 1 | 3 |
| 2007 | 0 | 6 |
| 2008 | 1 | 4 |
| 2009 | 0 | 4 |
| 2010 | 3 | 7 |
| 2011 | 1 | 2 |
| 2012 | 2 | 4 |
| 2013 | 4 | 6 |
| 2014 | 6 | 3 |
| 2015 | 2 | 6 |
| 2016 | 6 | 7 |
| 2017 | 4 | 7 |
| 2018 | 7 | 4 |
| 2019 | 5 | 5 |
| 2020 | 4 | 10 |
| 2021 | 4 | 5 |
| 2022 | 7 | 6 |
| 2023 | 2 | 4 |
| 2024 | 4 | 3 |
| 2025 | 2 | 4 |
| 2026 | 1 | 1 |
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
- Joint seal system and method25 Mar 2025US 12,259,130 B2The Schebler Co.
- Roof plumbing vents and methods including for tankless water heaters with concentric venting28 Jan 2025US 12,209,749 B2Aurora Plumbing Company, LLC
- Hybrid tank and tankless water heating system29 Oct 2024US 12,130,053 B2Rinnai America Corporation
- Burner cover insulation device for a boiler and method for manufacturing such a device23 Jul 2024US 12,044,405 B2Industrial Ceramic Linings B.V.
- Exhaust adapter26 Mar 2026US 2026/0085834 A1Rinnai Corporation
- Chimney systems with integrated waste heat recovery and related methods9 Oct 2025US 2025/0314380 A1Enervex, Inc.
- Joint seal system & method18 Sep 2025US 2025/0290630 A1The Schebler Co.
- Joint Seal System & Method3 Jul 2025US 2025/0216073 A1The Schebler Co.
- Smoke exhaust pipe8 May 2025US 2025/0146663 A1Junsky Appliances Limited
Most cited
By later US patents
- Vent hood and flashing assembly for metal roof46US 8,209,923 B12012
- Furnace inducer outlet box assembly42US 4,603,680 ACarrier Corporation · 1986
- 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