F23J 2900/13006
Devices for heating the chimney top to avoid ice formation
F23J2900/13006 (Devices for heating the chimney top to avoid ice formation) appears on 2 US grants and 5 published applications in this corpus.
Search patents in F23J- Granted patents
- 2
- Published applications
- 5
- Assignees
- 2
- Inventors
- 5
- Latest grant
- 8 Oct 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 1 |
By publication year.
Recent patents
- Heating coil for a plumbing vent14 Feb 2019US 2019/0053333 A1
- Method and apparatus for avoiding frost or ice build-up on exhaust vents and air intakes of condensing appliances23 Nov 2017US 2017/0336073 A1Frostfree Venting Inc.
- System for preventing snow or ice blockages in exhaust and intake conduits13 Oct 2016US 2016/0298336 A1
- Heated plumbing vent6 Sep 2007US 2007/0207718 A1
- Heated plumbing vent16 Mar 2006US 2006/0057950 A1Heat-Line Corporation
Most cited
By later US patents