C04B 14/46
Rock wool
Official title: Rock wool {; Ceramic or silicate fibres (C04B14/40, C04B14/42 take precedence)}
C04B14/46 (Rock wool) appears on 110 US grants and 128 published applications in this corpus.
Search patents in C04B- Granted patents
- 110
- Published applications
- 128
- Assignees
- 105
- Inventors
- 388
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 3 |
| 2003 | 1 | 1 |
| 2004 | 2 | 2 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 4 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 1 | 4 |
| 2012 | 2 | 5 |
| 2013 | 0 | 2 |
| 2014 | 3 | 1 |
| 2015 | 3 | 3 |
| 2016 | 0 | 0 |
| 2017 | 1 | 6 |
| 2018 | 4 | 5 |
| 2019 | 5 | 13 |
| 2020 | 11 | 4 |
| 2021 | 5 | 8 |
| 2022 | 5 | 11 |
| 2023 | 3 | 13 |
| 2024 | 7 | 20 |
| 2025 | 11 | 10 |
| 2026 | 13 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Light weight ceramic aggregates made by agglomerating ceramic fibers22 Sep 2026US 12,741,908 B2Unifrax I LLC
- Double-liquid grouting slurry, its technology and application for super large diameter underwater shield engineering under high water pressure condition22 Sep 2026US 12,741,910 B2China Railway 14th Bureau Group Corporation Limited
- Basalt fiber reinforced asphalt concrete15 Sep 2026US 12,735,357 B2National Central University
- Ultra stable cementitious material formulation, process for its making, and ultra stable tile backer board formulation and processes for its making1 Sep 2026US 12,726,151 B2Triton MgO Products, LLC
- Heat and fire resistant geopolymer materials21 Jul 2026US 12,686,637 B2
- Use of fibers of a mineral-resin composite for reinforcing concrete24 Sep 2026US 2026/0285756 A1Compagnie Generale Des Etablissements Michelin
- Mineral fiber product6 Aug 2026US 2026/0226734 A1Rockwool A/S
- Geopolymer Formulations for Construction Materials9 Jul 2026US 2026/0193134 A1
- Porous geopolymer product2 Jul 2026US 2026/0184637 A1Saint-Gobain Ecophon AB
- Composite wallboard and a preparation method thereof4 Jun 2026US 2026/0152440 A1China State Construction Hailong Technology Company Limited
Most cited
By later US patents
- High temperature flexible cementing compositions and methods for using same136US 6,729,405 B2BJ Services Company · 2004
- Flexible aerogel superinsulation and its manufacture121US 6,068,882 AAspen Systems, Inc. · 2000
- Porous ceramic bodies53US 4,828,774 AThe United States of America as represented by the Secretary of the Air Force · 1989
- Refractory fiber structures49US 5,552,213 ADidier-Werke AG · 1996
- Refractory shapes of ceramic fiber-containing material45US 4,737,326 ADidier-Werke AG · 1988