F22B 37/08
Fittings preventing burning-off of the tube edges
F22B37/08 (Fittings preventing burning-off of the tube edges) appears on 10 US grants and 4 published applications in this corpus.
Search patents in F22B- Granted patents
- 10
- Published applications
- 4
- Assignees
- 6
- Inventors
- 17
- Latest grant
- 28 Nov 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
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- Micro reformer13 Apr 2021US 10,974,219 B2BD Energy Systems, LLC
- Two-piece ceramic ferrule assembly13 Aug 2019US 10,378,756 B2Blasch Precision Ceramics, Inc.
- Boiler wall protection block, boiler wall protection element, assembly of such element and a ferrule, a boiler wall provided with such assembly, method for furnishing a boiler inner wall and a boiler wall protection sub-block29 May 2018US 9,982,882 B2Innalox BV
- Tubesheet and tube protector device and a method for making such a device16 Jan 2001US 6,173,682 B1Koch TPA, Inc.
- Micro reformer25 Feb 2021US 2021/0053021 A1BD Energy Systems, LLC
- Steam generator and cooking apparatus including steam generator16 Jan 2020US 2020/0018475 A1LG Electronics Inc.
- Two-piece ceramic ferrule assembly25 May 2017US 2017/0146231 A1Blasch Precision Ceramics, Inc.
- Boiler Wall Protection Block, Boiler Wall Protection Element, Assembly of such Element and a Ferrule, a Boiler Wall Provided with such Assembly, Method for Furnishing a Boiler Inner Wall and a Boiler Wall Protection Sub-Block20 Aug 2015US 2015/0233574 A1Innalox BV
Most cited
By later US patents
- Boiler protection tube assembly18US 5,775,269 AIndustrial Ceramics Limited · 1998
- Ceramic ferrule and ceramic ferrule refractory wall for shielding tube sheet/boiler tube assembly of heat exchanger14US 5,647,432 ABlasch Precision Ceramics, Inc. · 1997
- Ceramic ferrule7US 4,176,612 A1979
- Refractory diffusor for industrial heat source4US 5,954,121 ABlasch Precision Ceramics, Inc. · 1999
- Tubesheet and tube protector device and a method for making such a device4US 6,173,682 B1Koch TPA, Inc. · 2001