F27B 3/14
Arrangements of linings
F27B3/14 (Arrangements of linings) appears on 84 US grants and 46 published applications in this corpus.
Search patents in F27B- Granted patents
- 84
- Published applications
- 46
- Assignees
- 52
- Inventors
- 147
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 5 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 1 |
| 2003 | 3 | 1 |
| 2004 | 1 | 0 |
| 2005 | 2 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 2 |
| 2010 | 0 | 2 |
| 2011 | 0 | 0 |
| 2012 | 2 | 1 |
| 2013 | 4 | 2 |
| 2014 | 2 | 2 |
| 2015 | 3 | 3 |
| 2016 | 2 | 3 |
| 2017 | 2 | 2 |
| 2018 | 2 | 2 |
| 2019 | 0 | 2 |
| 2020 | 0 | 2 |
| 2021 | 1 | 0 |
| 2022 | 3 | 3 |
| 2023 | 3 | 4 |
| 2024 | 2 | 6 |
| 2025 | 2 | 2 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process and system for the production of iron nuggets12 May 2026US 12,624,406 B2Carbontec Energy Corporation
- Recombinant virus, composition comprising the same, and uses thereof21 Apr 2026US 12,607,406 B2Academia Sinica
- Refractory lining design and separation via destructive hydration7 Apr 2026US 12,595,211 B2HarbisonWalker International, Inc.
- 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.
- High-efficiency photonic furnaces for metal production26 Aug 2025US 12,398,954 B2Limelight Steel Inc.
- 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
- Recombinant virus, composition comprising the same, and uses thereof9 Jul 2026US 2026/0194298 A1Academia Sinica
- 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
- High-efficiency photonic furnaces for metal production23 Apr 2026US 2026/0110493 A1Limelight Steel Inc.
- Refractory layer structures and assemblies for vessels exposed to molten materials31 Jul 2025US 2025/0244077 A1HarbisonWalker International Holdings, Inc.
Most cited
By later US patents
- Thermophotovoltaic generator in high temperature industrial process77US 6,538,193 B1JX Crystals Inc. · 2003
- Metal refining with refractory coated pipe26US 4,783,057 ARichland Industrial, Inc. of Columbia, SC · 1988
- Refractory coating for metal25US 4,729,548 ARichland Industrial, Inc. · 1988
- Refractory lining system for high wear area of high temperature reaction vessel24US 5,741,349 ASteel Technology, LLC · 1998
- Method of applying a refractory coating to a conduit23US 5,066,350 ARichland Industrial, Inc. · 1991