C04B 2111/00551
Refractory coatings
Official title: {Refractory coatings, e.g. for tamping}
C04B2111/00551 (Refractory coatings) appears on 40 US grants and 39 published applications in this corpus.
Search patents in C04B- Granted patents
- 40
- Published applications
- 39
- Assignees
- 42
- Inventors
- 120
- Latest grant
- 4 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 2 |
| 2010 | 1 | 1 |
| 2011 | 1 | 0 |
| 2012 | 1 | 1 |
| 2013 | 2 | 3 |
| 2014 | 0 | 0 |
| 2015 | 1 | 2 |
| 2016 | 2 | 1 |
| 2017 | 2 | 1 |
| 2018 | 0 | 4 |
| 2019 | 1 | 3 |
| 2020 | 2 | 1 |
| 2021 | 1 | 5 |
| 2022 | 1 | 3 |
| 2023 | 3 | 3 |
| 2024 | 2 | 4 |
| 2025 | 5 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Stability of refractory materials in high temperature steam4 Nov 2025US 12,460,295 B2The Regents of the University of Colorado
- Refractory foam23 Sep 2025US 12,421,172 B2ZYP Coatings, Inc.
- Refractory foam23 Sep 2025US 12,421,173 B2ZYP Coatings, Inc.
- Full-fiber burner brick and preparation method thereof1 Apr 2025US 12,264,105 B2Luyang Energy-Saving Materials Co., Ltd.
- Refractory foam1 Apr 2025US 12,264,111 B2ZYP Coatings, Inc.
- Refractory foam5 Jun 2025US 2025/0178976 A1ZYP Coatings, Inc.
- Insulation5 Sep 2024US 2024/0294427 A1Knauf Insulation SPRL
- Stability of refractory materials in high temperature steam8 Feb 2024US 2024/0043996 A1The Regents of the University of Colorado, a body corporate
- Refractory foam4 Jan 2024US 2024/0002301 A1ZYP Coatings, Inc.
- Refractory foam4 Jan 2024US 2024/0002302 A1ZYP Coatings, Inc.
Most cited
By later US patents
- Glazing layer-forming composition for hot-coating of furnace refractories and method of forming glazing layer84US 6,096,432 AAsahi Chemical Co., Ltd. · 2000
- Method of applying a refractory coating to a conduit23US 5,066,350 ARichland Industrial, Inc. · 1991
- Gunning composition16US 5,147,834 AMagneco/Metrel, Inc. · 1992
- High emissivity coating composition and method of use14US 6,007,873 AEquity Enterprises · 1999
- Refractory cement13US 4,476,234 ANorton Company · 1984