C04B 20/0056
Hollow or porous fibres
Official title: {Hollow or porous fibres}
C04B20/0056 (Hollow or porous fibres) appears on 39 US grants and 34 published applications in this corpus.
Search patents in C04B- Granted patents
- 39
- Published applications
- 34
- Assignees
- 24
- Inventors
- 72
- Latest grant
- 10 Mar 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 1 |
| 2003 | 2 | 1 |
| 2004 | 1 | 3 |
| 2005 | 1 | 2 |
| 2006 | 0 | 2 |
| 2007 | 1 | 1 |
| 2008 | 1 | 8 |
| 2009 | 1 | 2 |
| 2010 | 1 | 1 |
| 2011 | 2 | 0 |
| 2012 | 2 | 1 |
| 2013 | 0 | 1 |
| 2014 | 3 | 1 |
| 2015 | 2 | 4 |
| 2016 | 1 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 2 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and device for producing inorganic aerogel fibers10 Mar 2020US 10,584,036 B2Rheinisch-Westfälische Technische Hochschulte (RWTH) Aachen
- Hygroscopic cementitious materials5 Jul 2016US 9,382,154 B2
- Moisture wicking mortar with microtubes20 Oct 2015US 9,162,924 B2
- Durable concrete and method for producing the same8 Sep 2015US 9,126,864 B2Navs, LLC
- Durable concrete and method for producing the same23 Dec 2014US 8,915,997 B2Navs, LLC
- Composite panels that contract when hydrated22 Jan 2026US 2026/0022065 A1Continuus Materials Intellectual Property, LLC
- Adsorbent filaments and methods of forming thereof5 Sep 2024US 2024/0293800 A1Saint-Gobain Ceramics & Plastics, Inc.
- Ultra-high strength hot-pressed geopolymeric composition and production method thereof30 Aug 2018US 2018/0244572 A1
- Method and device for producing inorganic aerogel fibers15 Feb 2018US 2018/0044187 A1Rheinisch-Westfälische Technische Hochschule (RWTH) Aachen
- Hygroscopic Cementitious Materials29 Sep 2016US 2016/0280602 A1
Most cited
By later US patents
- Mesoporous-silica films, fibers, and powders by evaporation106US 5,922,299 ABattelle Memorial Institute · 1999
- Self-repairing, reinforced matrix materials85US 6,527,849 B22003
- Self-repairing, reinforced matrix materials81US 5,660,624 A1997
- Self-repairing, reinforced matrix materials80US 5,989,334 A1999
- Inorganic anisotropic hollow fibers77US 4,329,157 AMonsanto Company · 1982