F27D 1/1642
Using a gunning apparatus
Official title: {using a gunning apparatus}
F27D1/1642 (Using a gunning apparatus) appears on 115 US grants and 26 published applications in this corpus.
Search patents in F27D- Granted patents
- 115
- Published applications
- 26
- Assignees
- 63
- Inventors
- 227
- Latest grant
- 25 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 6 | 0 |
| 1979 | 3 | 0 |
| 1980 | 7 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 6 | 0 |
| 1984 | 5 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 5 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 6 | 0 |
| 1991 | 6 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 0 | 0 |
| 1995 | 5 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 6 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 4 |
| 2003 | 1 | 0 |
| 2004 | 2 | 5 |
| 2005 | 3 | 2 |
| 2006 | 1 | 1 |
| 2007 | 2 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 4 |
| 2011 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 2 | 0 |
| 2014 | 2 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 2 |
| 2017 | 0 | 0 |
| 2018 | 0 | 2 |
| 2019 | 0 | 0 |
| 2020 | 1 | 1 |
| 2021 | 1 | 1 |
| 2022 | 1 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Method for protecting an inner wall of a shaft furnace25 Feb 2025US 12,235,047 B2Paul Wurth S. A.
- Systems and methods for preparing dry process materials and reducing respirable dust14 Jun 2022US 11,358,814 B2ExxonMobil Technology and Engineering Company
- Method for determining the state of a refractory lining of a metallurgical vessel for molten metal in particular2 Mar 2021US 10,935,320 B2Refractory Intellectual Property GmbH & Co.KG
- Method for repairing a refractory lining of a metallurgical vessel in the hot state17 Nov 2020US 10,837,704 B2Refractory Intellectual Property GmbH & Co.KG
- Apparatus and method for the applying of refractory material11 Nov 2014US 8,881,673 B2Specialty Minerals (Michigan) Inc.
- Method for protecting an inner wall of a shaft furnace10 Mar 2022US 2022/0074667 A1Paul Wurth S. A.
- Fully automatic refractory spraying robot with measurement system13 May 2021US 2021/0140711 A1Piromet Pirometalurji Malzeme Refrakter Makina Sanayive Ticaret Anonim Sieketi
- Systems and methods for preparing dry process materials and reducing respirable dust2 Jul 2020US 2020/0207560 A1ExxonMobil Technology and Engineering Company
- Method for determining the state of a refractory lining of a metallurgical vessel for molten metal in particular6 Dec 2018US 2018/0347907 A1Refractory Intellectual Property GmbH & Co.KG
- Method for Repairing a Refractory Lining of a Metallurgical Vessel in the Hot State26 Jul 2018US 2018/0209739 A1Refractory Intellectual Property GmbH & Co.KG
Most cited
By later US patents
- Method for partially building and/or repairing at high temperatures industrial facilities including a structure made of refractory materials, and prefabricated element therefor69US 5,966,886 AFIB-Services · 1999
- Mobile refractory gunning device61US 3,957,203 AUnited States Steel Corporation · 1976
- Repairing damaged refractory walls by gunning56US 4,143,104 AHoogovens Ijmuiden, B. V. · 1979
- Forming coherent refractory masses45US 4,489,022 AGlaverbel · 1984
- Repairing apparatus for furnace wall38US 4,649,858 ASumitomo Metal Industries, Ltd. · 1987