F27D 1/1636
Repairing linings by projecting or spraying refractory materials on the lining
Official title: {Repairing linings by projecting or spraying refractory materials on the lining}
F27D1/1636 (Repairing linings by projecting or spraying refractory materials on the lining) appears on 190 US grants and 53 published applications in this corpus.
Search patents in F27D- Granted patents
- 190
- Published applications
- 53
- Assignees
- 102
- Inventors
- 362
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 4 | 0 |
| 1978 | 8 | 0 |
| 1979 | 5 | 0 |
| 1980 | 11 | 0 |
| 1981 | 8 | 0 |
| 1982 | 2 | 0 |
| 1983 | 8 | 0 |
| 1984 | 8 | 0 |
| 1985 | 4 | 0 |
| 1986 | 6 | 0 |
| 1987 | 6 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 6 | 0 |
| 1991 | 9 | 0 |
| 1992 | 5 | 0 |
| 1993 | 7 | 0 |
| 1994 | 1 | 0 |
| 1995 | 8 | 0 |
| 1996 | 2 | 0 |
| 1997 | 9 | 0 |
| 1998 | 10 | 0 |
| 1999 | 10 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 0 |
| 2002 | 0 | 5 |
| 2003 | 2 | 1 |
| 2004 | 2 | 5 |
| 2005 | 4 | 6 |
| 2006 | 2 | 2 |
| 2007 | 3 | 2 |
| 2008 | 0 | 2 |
| 2009 | 0 | 0 |
| 2010 | 2 | 4 |
| 2011 | 1 | 2 |
| 2012 | 0 | 1 |
| 2013 | 2 | 1 |
| 2014 | 2 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 3 |
| 2017 | 2 | 2 |
| 2018 | 0 | 2 |
| 2019 | 2 | 5 |
| 2020 | 1 | 1 |
| 2021 | 2 | 5 |
| 2022 | 3 | 1 |
| 2023 | 3 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for repairing a tank in a glass melting furnace30 Jun 2026US 12,669,289 B2Saint-Gobain Centre De Recherches Et D ' Etudes Europeen
- Method for protecting an inner wall of a shaft furnace25 Feb 2025US 12,235,047 B2Paul Wurth S. A.
- Method for spray application of monolithic refractory and spray material for use therein26 Sep 2023US 11,767,269 B2Krosakiharima Corporation
- Refractory compositions and in situ anti-oxidation barrier layers5 Sep 2023US 11,746,053 B2Vesuvius USA Corporation
- Jamb spray mixes including fused silica and methods of utilizing the mixes21 Feb 2023US 11,584,691 B2Resco Products, Inc.
- Dry spraying material for firing furnace24 Apr 2025US 2025/0128989 A1Krosakiharima Corporation
- Method for repairing a tank in a glass melting furnace20 Mar 2025US 2025/0093103 A1Saint-Gobain Centre De Recherches Et D ' Etudes Europeen
- Method for protecting an inner wall of a shaft furnace10 Mar 2022US 2022/0074667 A1Paul Wurth S. A.
- Jamb spray mixes including fused silica and methods of utilizing the mixes28 Oct 2021US 2021/0331981 A1Resco Products, Inc.
- Spin casting device and method2 Sep 2021US 2021/0268687 A1HarbisonWalker International, Inc.
Most cited
By later US patents
- Glazing layer-forming composition for hot-coating of furnace refractories and method of forming glazing layer84US 6,096,432 AAsahi Chemical Co., Ltd. · 2000
- 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
- Repair gun for coke ovens51US 4,065,059 A1977