C04B 35/043
Refractories from grain sized mixtures
C04B35/043 (Refractories from grain sized mixtures) appears on 219 US grants and 134 published applications in this corpus.
Search patents in C04B- Granted patents
- 219
- Published applications
- 134
- Assignees
- 149
- Inventors
- 507
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 15 | 0 |
| 1978 | 6 | 0 |
| 1979 | 6 | 0 |
| 1980 | 5 | 0 |
| 1981 | 4 | 0 |
| 1982 | 6 | 0 |
| 1983 | 6 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 9 | 0 |
| 1989 | 5 | 0 |
| 1990 | 5 | 0 |
| 1991 | 8 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 7 | 0 |
| 1995 | 2 | 0 |
| 1996 | 7 | 0 |
| 1997 | 4 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 5 | 0 |
| 2002 | 4 | 3 |
| 2003 | 2 | 0 |
| 2004 | 2 | 3 |
| 2005 | 2 | 4 |
| 2006 | 3 | 4 |
| 2007 | 3 | 5 |
| 2008 | 0 | 6 |
| 2009 | 1 | 6 |
| 2010 | 2 | 12 |
| 2011 | 4 | 2 |
| 2012 | 7 | 3 |
| 2013 | 5 | 2 |
| 2014 | 4 | 5 |
| 2015 | 4 | 10 |
| 2016 | 7 | 8 |
| 2017 | 4 | 9 |
| 2018 | 11 | 8 |
| 2019 | 4 | 7 |
| 2020 | 4 | 6 |
| 2021 | 3 | 8 |
| 2022 | 5 | 6 |
| 2023 | 4 | 5 |
| 2024 | 3 | 3 |
| 2025 | 4 | 6 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- 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 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.
- Porous refractory cast material, its use and production9 Sep 2025US 12,410,106 B2Vesuvius U S A Corporation
- Refractory product8 Jul 2025US 12,350,737 B2Krosakiharima Corporation
- 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
- Production method for magnesia-carbon brick19 Mar 2026US 2026/0078060 A1Krosakiharima Corporation
- Unshaped refractory material, method of producing a moist unshaped refractory material and method of making a refractory lining12 Mar 2026US 2026/0070847 A1Refractory Intellectual Property GmbH & Co.KG
- Process for layer-by-layer production of building structures with a viscosity-modified binder4 Dec 2025US 2025/0367723 A1
- Ruhrstahl-heraeus snorkel design21 Aug 2025US 2025/0263808 A1HarbisonWalker International Holdings, Inc.
Most cited
By later US patents
- Energy storage element and method of making same44US 4,397,962 AArbed S.A. · 1983
- Basic refractory cementitious material and components thereof34US 4,400,474 AUSS Engineers and Consultants, Inc. · 1983
- Refractory compositions23US 3,971,665 ANissan Chemical Industries, Ltd. · 1976
- Sprayable refractory composition21US 5,302,563 AMinerals Technologies Inc. · 1994
- Phenolic coated refractory aggregates20US 6,387,501 B1Borden Chemical, Inc. · 2002