F23D 14/126
Cooperating with refractory wall surfaces
Official title: {cooperating with refractory wall surfaces}
F23D14/126 (Cooperating with refractory wall surfaces) appears on 70 US grants and 69 published applications in this corpus.
Search patents in F23D- Granted patents
- 70
- Published applications
- 69
- Assignees
- 61
- Inventors
- 177
- Latest grant
- 11 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 0 |
| 2003 | 0 | 1 |
| 2004 | 2 | 2 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 2 |
| 2008 | 0 | 4 |
| 2009 | 1 | 3 |
| 2010 | 1 | 2 |
| 2011 | 3 | 4 |
| 2012 | 1 | 4 |
| 2013 | 3 | 3 |
| 2014 | 1 | 6 |
| 2015 | 3 | 3 |
| 2016 | 4 | 5 |
| 2017 | 6 | 7 |
| 2018 | 7 | 4 |
| 2019 | 5 | 8 |
| 2020 | 5 | 3 |
| 2021 | 4 | 2 |
| 2022 | 2 | 2 |
| 2023 | 3 | 1 |
| 2024 | 0 | 0 |
| 2025 | 2 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Prefabricated integrated combustion assemblies and methods of installing the same into a combustion system11 Mar 2025US 12,247,733 B2Clearsign Technologies Corporation
- Radiant wall burner14 Jan 2025US 12,196,415 B2John Zink Company
- Fresh air intake for low NOx emission furnace7 Nov 2023US 11,808,449 B2Lennox Industries Inc.
- Lean pre-mix radiant wall burner apparatus and method12 Sep 2023US 11,754,282 B2Zeeco, Inc.
- Radiant wall burner21 Feb 2023US 11,585,529 B2John Zink Company
- High pressure naturally aspirated tube heater7 Aug 2025US 2025/0251127 A1L. B. White Company, Inc.
- Prefabricated integrated combustion assemblies and methods of installing the same into a combustion system22 May 2025US 2025/0164104 A1Clearsign Technologies Corporation
- Radiant wall burner19 Jan 2023US 2023/0014871 A1John Zink Company
- Lean pre-mix radiant wall burner apparatus and method29 Dec 2022US 2022/0412551 A1Zeeco, Inc.
- Radiant tube recuperative burner assembly10 Feb 2022US 2022/0042678 A1ESA, Inc.
Most cited
By later US patents
- Forced-air gas burner79US 4,752,213 AGaz de France · 1988
- Gas-fired radiant burner68US 5,326,257 AMaxon Corporation · 1994
- Water heater with low NO.sub.x ceramic burner67US 5,511,516 ASABH (U.S.) Water Heater Group, Inc. · 1996
- Multiple firing rate zone burner and method50US 5,439,372 AAlzeta Corporation · 1995
- Method and apparatus for heating a furnace38US 6,672,858 B12004