C04B 2111/00431
Refractory materials
Official title: {Refractory materials}
C04B2111/00431 (Refractory materials) appears on 81 US grants and 113 published applications in this corpus.
Search patents in C04B- Granted patents
- 81
- Published applications
- 113
- Assignees
- 92
- Inventors
- 237
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 5 |
| 2008 | 1 | 1 |
| 2009 | 0 | 5 |
| 2010 | 4 | 4 |
| 2011 | 2 | 3 |
| 2012 | 3 | 2 |
| 2013 | 4 | 5 |
| 2014 | 2 | 5 |
| 2015 | 5 | 4 |
| 2016 | 2 | 4 |
| 2017 | 5 | 5 |
| 2018 | 3 | 9 |
| 2019 | 3 | 6 |
| 2020 | 8 | 9 |
| 2021 | 4 | 7 |
| 2022 | 4 | 11 |
| 2023 | 5 | 5 |
| 2024 | 6 | 8 |
| 2025 | 5 | 9 |
| 2026 | 6 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Refractory compound and binder therefor, method for the production and use thereof6 Oct 2026US 12,757,552 B2Intocast AG
- Batch for the production of a coarse ceramic refractory basic product, such product and method for its production, lining of an industrial furnace and industrial furnace25 Aug 2026US 12,715,815 B2Refratechnik Holding GmbH
- Refractory member and method of producing the same31 Mar 2026US 12,590,041 B2Mitsui Kinzoku Company, Limited
- Porous refractory objects and methods of forming24 Feb 2026US 12,559,429 B2Saint-Gobain Ceramics & Plastics, Inc.
- High temperature refractory, method for making high temperature refractory24 Feb 2026US 12,559,431 B2
- Refractory material, method for producing same, and use thereof23 Jul 2026US 2026/0209125 A1
- Dvc for a smelting furnace lining16 Jul 2026US 2026/0200800 A1
- Environmental barrier coatings16 Jul 2026US 2026/0200810 A1Rtx Corporation
- Composite thermal member and method for forming same8 Jan 2026US 2026/0009595 A11414 Degrees Limited
- Shell-and-tube reactor and high-temperature redox process25 Sep 2025US 2025/0296068 A1ENI S. p. A.
Most cited
By later US patents
- Highly reinforced refractory concrete with 4-20 volume % steel fibers44US 4,366,255 AWahl Refractory Products, Company · 1982
- Composition and method for manufacturing steel-containment equipment29US 5,147,830 AMagneco/Metrel, Inc. · 1992
- Inorganic foundry binder systems and their uses28US 5,382,289 AAshland Oil, Inc. · 1995
- Hard setting refractory composition21US 4,780,142 AChicago Fire Brick Company · 1988
- Unshaped refractory compositions useful as jointing and moulding compositions20US 4,308,067 ASociete Europeenne des Produits Refractaires · 1981