C04B 14/4625
Alumina
Official title: {Alumina}
C04B14/4625 (Alumina) appears on 9 US grants and 10 published applications in this corpus.
Search patents in C04B- Granted patents
- 9
- Published applications
- 10
- Assignees
- 10
- Inventors
- 32
- Latest grant
- 1 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 1 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 1 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 2 |
| 2022 | 2 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Full-fiber burner brick and preparation method thereof1 Apr 2025US 12,264,105 B2Luyang Energy-Saving Materials Co., Ltd.
- Inorganic fiber toughened inorganic composite artificial stone panel and preparation method thereof1 Nov 2022US 11,485,685 B2Guangdong Topnice New Materials Technology Co., Ltd.
- Composite material comprising a fibrous reinforcement and a poly(phospho-sialate) geopolymer matrix and associated manufacturing method12 Apr 2022US 11,299,425 B2Pyromeral Systems S.A.
- Exhaust gas treatment device31 Mar 2015US 8,992,846 B2Unifrax I LLC
- Exhaust gas treatment device1 Jul 2014US 8,765,069 B2Unifrax I LLC
- Fireproof heat insulating board and fireproof heat insulating structure27 Jun 2024US 2024/0209622 A1Denka Company Limited
- Full-fiber burner brick and preparation method thereof29 Dec 2022US 2022/0411329 A1Luyang Energy-Saving Materials Co., Ltd.
- Composite material comprising a fibrous reinforcement and a poly(phospho-sialate) geopolymer matrix and associated manufacturing method29 Jul 2021US 2021/0230068 A1Pyromeral Systems S.A.
- Inorganic fiber toughened inorganic composite artificial stone panel and preparation method thereof21 Jan 2021US 2021/0017080 A1Guangdong Topnice New Materials Technology Co., Ltd.
- Methods and compositions for enhanced reinforcement for refractory fire containment walls23 Mar 2017US 2017/0080264 A1
Most cited
By later US patents
- Woven fabric high-purity alumina continuous filament, high-purity alumina filament for production thereof, and processes for production of woven fabric and continuous filament26US 5,145,734 AKanebo, Ltd. · 1992
- Ceramic fibers for the reinforcement of refractory materials1US 6,649,552 B1Pem Abrasifs Refractaires · 2003
- Sheet member and manufacturing method of the same, and exhaust gas processing device1US 7,959,867 B2Ibiden Co., Ltd. · 2011
- Sheet member and manufacturing method of the same, and exhaust gas processing device1US 8,157,963 B2Ibiden Co., Ltd. · 2012