F27D 1/16
Making or repairing linings
Official title: Making or repairing linings {; Increasing the durability of linings; Breaking away linings}
F27D1/16 (Making or repairing linings) appears on 511 US grants and 261 published applications in this corpus.
Search patents in F27D- Granted patents
- 511
- Published applications
- 261
- Assignees
- 319
- Inventors
- 1,135
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 10 | 0 |
| 1978 | 13 | 0 |
| 1979 | 9 | 0 |
| 1980 | 19 | 0 |
| 1981 | 14 | 0 |
| 1982 | 8 | 0 |
| 1983 | 18 | 0 |
| 1984 | 23 | 0 |
| 1985 | 8 | 0 |
| 1986 | 11 | 0 |
| 1987 | 16 | 0 |
| 1988 | 14 | 0 |
| 1989 | 11 | 0 |
| 1990 | 14 | 0 |
| 1991 | 15 | 0 |
| 1992 | 8 | 0 |
| 1993 | 15 | 0 |
| 1994 | 7 | 0 |
| 1995 | 13 | 0 |
| 1996 | 14 | 0 |
| 1997 | 14 | 0 |
| 1998 | 22 | 0 |
| 1999 | 18 | 0 |
| 2000 | 14 | 0 |
| 2001 | 11 | 3 |
| 2002 | 8 | 13 |
| 2003 | 8 | 13 |
| 2004 | 8 | 14 |
| 2005 | 10 | 16 |
| 2006 | 4 | 8 |
| 2007 | 5 | 5 |
| 2008 | 4 | 9 |
| 2009 | 0 | 5 |
| 2010 | 6 | 9 |
| 2011 | 2 | 15 |
| 2012 | 3 | 9 |
| 2013 | 8 | 12 |
| 2014 | 5 | 6 |
| 2015 | 7 | 9 |
| 2016 | 4 | 13 |
| 2017 | 7 | 7 |
| 2018 | 9 | 11 |
| 2019 | 9 | 15 |
| 2020 | 8 | 5 |
| 2021 | 11 | 13 |
| 2022 | 8 | 11 |
| 2023 | 13 | 14 |
| 2024 | 5 | 3 |
| 2025 | 6 | 14 |
| 2026 | 5 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F27D 1/1636Repairing linings by projecting or spraying refractory materials on the lining190
- F27D 1/1621Making linings by using shaped elements85
- F27D 1/1626Making linings by compacting a refractory mass in the space defined by63
- F27D 1/1694Breaking away the lining or removing parts thereof45
- F27D 1/1678Increasing the durability of linings44
- F27D 2001/1605Repairing liningsIndexing code40
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
- Refractory lining design and separation via destructive hydration7 Apr 2026US 12,595,211 B2HarbisonWalker International, Inc.
- Coke oven roof repair or replacement24 Feb 2026US 12,559,683 B2Paul Wurth S. A.
- Refractory lining design and steel practice for low refractory waste, and refractory based on reclaimed low-impurity magnesia-carbon aggregate27 Jan 2026US 12,534,410 B2HarbisonWalker International Holdings, Inc.
- Construction method of fiber lining surface of ethylene cracking furnace27 Jan 2026US 12,535,272 B2Luyang Energy-Saving Materials Co., Ltd.
- Hearth mixture for disposing on the hearth bottom of an electric arc furnace, use of a hearth mixture for disposing on the hearth bottom of an electric arc furnace, electric arc furnace, method for disposing a hearth mixture on the hearth bottom of an electric arc furnace and use of magnesia spinel used in a lining of a cement rotary kiln24 Sep 2026US 2026/0287256 A1Refractory Intellectual Property GmbH & Co.KG
- Repair apparatus and repair method13 Aug 2026US 2026/0233233 A1Jfe Steel Corporation
- Dvc for a smelting furnace lining16 Jul 2026US 2026/0200800 A1
- Blast furnace lining having improved thermal conductivity and use life2 Jul 2026US 2026/0185170 A1Magneco/Metrel, Inc.
- Refractory lining disposed on the bottom of a metallurgical unit for holding a molten metal, method of providing a refractory lining disposed on the bottom of a metallurgical unit for holding a molten metal, and metallurgical unit for holding a molten metal2 Jul 2026US 2026/0185774 A1Refractory Intellectual Property GmbH & Co.KG
Most cited
By later US patents
- Method and apparatus for fabrication of cobalt alloy composite inserts211US 6,063,333 ADennis Tool Company · 2000
- Low temperature, low pressure, ductile, bonded cermet for enhanced abrasion and erosion performance129US 5,641,921 ADennis Tool Company · 1997
- Method of repairing hot refractory brick walls112US 4,452,749 AModern Refractories Service Corp. · 1984
- Coke oven reconstruction104US 7,827,689 B2Vanocur Refractories LLC · 2010
- Glazing layer-forming composition for hot-coating of furnace refractories and method of forming glazing layer84US 6,096,432 AAsahi Chemical Co., Ltd. · 2000