F23J 2211/30
Chimney or flue associated with building ventilation system
F23J2211/30 (Chimney or flue associated with building ventilation system) appears on 7 US grants and 8 published applications in this corpus.
Search patents in F23J- Granted patents
- 7
- Published applications
- 8
- Assignees
- 7
- Inventors
- 22
- Latest grant
- 26 Dec 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 0 |
| 2003 | 2 | 2 |
| 2004 | 1 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Systems and methods of configuring a heating system26 Dec 2023US 11,852,340 B2Rheem Manufacturing Company
- Heat exchange system21 Jun 2005US 6,908,039 B2HNI Technologies Inc.
- Fireplace make-up air heat exchange system4 May 2004US 6,729,551 B2HON Technology Inc.
- Heat exchange system22 Apr 2003US 6,550,687 B2HON Technology Inc.
- Fireplace make-up air heat exchange system8 Apr 2003US 6,543,698 B1Heat-N-Glo Fireplace Products, Inc.
- Systems and methods for dehumidification, air conditioning, and controlled provision of co24 Jul 2024US 2024/0219059 A1
- Systems and methods of configuring a heating system6 Oct 2022US 2022/0316704 A1Rheem Manufacturing Company
- 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.
- Method and apparatus for providing efficient heat28 Nov 2013US 2013/0312945 A1
- Power generation system and method of operating the same9 May 2013US 2013/0115538 A1Panasonic Corporation
Most cited
By later US patents
- Fireplace make-up air heat exchange system15US 6,729,551 B2HON Technology Inc. · 2004
- Heat removal system for fireplaces13US 6,019,099 AHeat-N-Glo Fireplace Products, Inc. · 2000
- Heat exchange system8US 6,550,687 B2HON Technology Inc. · 2003
- Heat exchange system8US 6,908,039 B2HNI Technologies Inc. · 2005
- Gas-powered apparatus for producing warm water and for heating an enclosed space5US 4,971,025 AATI di Mariani Mario & C. S.n.c. · 1990