F23L 17/12
Devices for fastening the top or terminal to chimney, shaft, or flue
F23L17/12 (Devices for fastening the top or terminal to chimney, shaft, or flue) appears on 20 US grants and 15 published applications in this corpus.
Search patents in F23L- Granted patents
- 20
- Published applications
- 15
- Assignees
- 15
- Inventors
- 41
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 1 |
| 2004 | 0 | 2 |
| 2005 | 2 | 3 |
| 2006 | 1 | 2 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 2 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Plumbing vent plug11 Aug 2026US 12,704,256 B2
- End fitting for an exhaust pipe11 Oct 2022US 11,466,852 B2
- Flue cap cover19 Apr 2022US 11,306,917 B2Roof Goose Vent LLC
- Adapter for a flue gas outlet18 Sep 2018US 10,077,902 B2M & G Group B.V
- Chimney cap16 Jun 2015US 9,057,519 B1Improved Consumer Products, Inc.
- Plumbing vent plug17 Jul 2025US 2025/0230928 A1
- Smoke exhaust pipe8 May 2025US 2025/0146663 A1Junsky Appliances Limited
- End fitting for an exhaust pipe28 May 2020US 2020/0166210 A1
- Flue cap cover3 Oct 2019US 2019/0301736 A1Roof Goose Vent LLC
- Adapter for a flue gas outlet7 Jan 2016US 2016/0003475 A1M & G Group B.V
Most cited
By later US patents
- Vent pipe cap27US 4,399,743 APlastic Oddities, Inc. · 1983
- Chimney cap15US 9,057,519 B1Improved Consumer Products, Inc. · 2015
- Termination unit for a coaxial flue pipe14US 6,647,977 B2Giant Factories Inc. · 2003
- Chimney cover12US 6,152,817 AGelco Manufacturing, Inc. · 2000
- Chimney cap and securement10US 4,325,291 AImproved Consumers Products, Inc. · 1982