F27D 2009/0024
With contiguous tubes, which may be separately welded one to the other
Official title: {with contiguous tubes, which may be separately welded one to the other}
F27D2009/0024 (With contiguous tubes, which may be separately welded one to the other) appears on 20 US grants and 6 published applications in this corpus.
Search patents in F27D- Granted patents
- 20
- Published applications
- 6
- Assignees
- 17
- Inventors
- 34
- Latest grant
- 15 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 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 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 2 |
| 2021 | 1 | 0 |
| 2022 | 1 | 2 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for maintenance of a cooling assembly for a metallurgical furnace15 Apr 2025US 12,276,458 B2Paul Wurth Deutschland GmbH
- Shaft furnace condition monitoring27 Aug 2024US 12,071,675 B2Paul Wurth S. A.
- Shaft furnace condition monitoring5 Jul 2022US 11,377,701 B2Paul Wurth S. A.
- Tube arrangement and furnace21 Dec 2021US 11,203,720 B2Sandvik Intellectual Property AB
- Extended leg return elbow for use with a steel making furnace and method thereof3 Mar 2020US 10,578,363 B2Amerifab, Inc.
- Shaft furnace condition monitoring10 Nov 2022US 2022/0356539 A1Paul Wurth S. A.
- Method for maintenance of a cooling assembly for a metallurgical furnace1 Sep 2022US 2022/0276004 A1Paul Wurth Deutschland GmbH
- Shaft furnace condition monitoring27 Aug 2020US 2020/0270711 A1Paul Wurth S. A.
- Tube arrangement and furnace19 Mar 2020US 2020/0087580 A1Sandvik Intellectual Property AB
- Extended leg return elbow for use with a steel making furnace and method thereof10 May 2018US 2018/0128546 A1Amerifab, Inc.
Most cited
By later US patents
- Vessel for metal smelting furnace39US 4,207,060 ADemag Aktiengesellschaft · 1980
- Metallurgical vessel24US 5,332,199 AFuchs Systemtechnik GmbH · 1994
- Water cooled panel used in an electric furnace21US 4,221,922 ASanyo Special Steel Co., Ltd. · 1980
- Cooling panel for electric arc furnace19US 4,637,034 AHylsa, S. A. · 1987
- Panel adapted for coolant through flow, and an article incorporating such panels18US 4,903,640 AP. Howard Industrial Pipework Services Limited · 1990