F27D 1/045
Bricks for lining cylindrical bodies
Official title: {Bricks for lining cylindrical bodies, e.g. skids, tubes}
F27D1/045 (Bricks for lining cylindrical bodies) appears on 55 US grants and 45 published applications in this corpus.
Search patents in F27D- Granted patents
- 55
- Published applications
- 45
- Assignees
- 53
- Inventors
- 155
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 1 |
| 2003 | 2 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 3 |
| 2006 | 2 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 2 |
| 2009 | 0 | 1 |
| 2010 | 0 | 3 |
| 2011 | 0 | 3 |
| 2012 | 1 | 2 |
| 2013 | 3 | 1 |
| 2014 | 2 | 2 |
| 2015 | 2 | 4 |
| 2016 | 2 | 1 |
| 2017 | 2 | 2 |
| 2018 | 1 | 2 |
| 2019 | 2 | 1 |
| 2020 | 1 | 0 |
| 2021 | 0 | 2 |
| 2022 | 1 | 4 |
| 2023 | 1 | 3 |
| 2024 | 2 | 3 |
| 2025 | 1 | 3 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Highly-insulated ingot mold28 Apr 2026US 12,611,795 B2HarbisonWalker International Holdings, Inc.
- Support assembly in a heat storage device17 Mar 2026US 12,578,144 B2Paul Wurth Deutschland GmbH
- Insulating concrete shell24 Feb 2026US 12,560,273 B2ANDRITZ Metals Germany GmbH
- Method for protecting an inner wall of a shaft furnace25 Feb 2025US 12,235,047 B2Paul Wurth S. A.
- Sloped sidewall for a furnance3 Sep 2024US 12,078,418 B2Systems Spray-Cooled, Inc.
- Shaft furnace for the smelting of copper and method therefor20 Aug 2026US 2026/0242893 A1SMS group GmbH
- Insulating lining, use of an alumina-based part, reactor for hydrocarbon reforming and process for hydrocarbon reforming2 Oct 2025US 2025/0303384 A1Refractory Intellectual Property GmbH & Co.KG
- Interlocking refractory bricks and refractory layer structures formed therewith31 Jul 2025US 2025/0243101 A1HarbisonWalker International Holdings, Inc.
- Refractory layer structures and assemblies for vessels exposed to molten materials31 Jul 2025US 2025/0244077 A1HarbisonWalker International Holdings, Inc.
- Sloped sidewall for a furnance7 Nov 2024US 2024/0369300 A1Systems Spray-Cooled, Inc.
Most cited
By later US patents
- Refractory insulation for skid pipes and the like in reheating furnaces43US 4,225,307 A1980
- Pollution abatement reactor system having nonprismatic structured media35US 6,322,356 B1Durr Environmental, Inc. · 2001
- Backup structure for a pipe for feeding a molten substance of high temperature26US 5,851,258 AAsahi Glass Company, Limited · 1998
- Transfer tube23US 4,966,201 AGeneral Electric Company · 1990
- Wall segment for a combustion chamber and a combustion chamber22US 6,397,765 B1Siemens Aktiengesellschaft · 2002