C04B 20/0048
Fibrous materials
Official title: {Fibrous materials}
C04B20/0048 (Fibrous materials) appears on 282 US grants and 307 published applications in this corpus.
Search patents in C04B- Granted patents
- 282
- Published applications
- 307
- Assignees
- 198
- Inventors
- 717
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 5 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 10 | 0 |
| 1997 | 21 | 0 |
| 1998 | 19 | 0 |
| 1999 | 7 | 0 |
| 2000 | 8 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 3 |
| 2003 | 3 | 6 |
| 2004 | 4 | 9 |
| 2005 | 4 | 5 |
| 2006 | 4 | 7 |
| 2007 | 4 | 4 |
| 2008 | 4 | 11 |
| 2009 | 3 | 6 |
| 2010 | 5 | 3 |
| 2011 | 3 | 2 |
| 2012 | 3 | 8 |
| 2013 | 4 | 4 |
| 2014 | 7 | 14 |
| 2015 | 8 | 11 |
| 2016 | 7 | 14 |
| 2017 | 2 | 9 |
| 2018 | 10 | 18 |
| 2019 | 12 | 18 |
| 2020 | 11 | 23 |
| 2021 | 14 | 34 |
| 2022 | 15 | 17 |
| 2023 | 15 | 22 |
| 2024 | 10 | 21 |
| 2025 | 10 | 22 |
| 2026 | 20 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for manufacturing fiber composite for reinforcing concrete, and concrete comprising fiber composite manufactured thereby6 Oct 2026US 12,753,116 B2
- Composite material and method for producing composite material15 Sep 2026US 12,735,359 B2Each Dream Co., Ltd.
- Concrete reinforcement member1 Sep 2026US 12,723,409 B2Afyon Cimento Sanayi Turk Anonim Sirketi
- Dry cementitious material mixture for 3D-printing25 Aug 2026US 12,715,813 B2Holcim Technology Ltd
- Compositions of steel-microfiber reinforced ultra high performance concrete (UHPC) using recycled glass powder and processes for making the same30 Jun 2026US 12,668,540 B2Integrated Composite Construction Systems, LLC
- Fiber material for cement/concrete reinforcement, method for producing fiber material for cement/concrete reinforcement, and fiber-reinforced cement composition8 Oct 2026US 2026/0308058 A1Toyota Jidosha Kabushiki Kaisha
- Use of fibers of a carbon-resin composite for reinforcing concrete24 Sep 2026US 2026/0285754 A1Compagnie Generale Des Etablissements Michelin
- Electrically-conductive asphalt concrete containing carbon fibers3 Sep 2026US 2026/0257970 A1Iowa State University Research Foundation, Inc.
- Flexural hybrid span beam27 Aug 2026US 2026/0249514 A1Najran University
- Microporous powder composition, use thereof and insulation product20 Aug 2026US 2026/0242291 A1Prtc NV
Most cited
By later US patents
- Sheets having a highly inorganically filled organic polymer matrix172US 5,508,072 AE. Khashoggi Industries · 1996
- Articles of manufacture fashioned from sheets having a highly inorganically filled organic polymer matrix171US 5,506,046 AE. Khashoggi Industries · 1996
- Starch-based compositions having uniformly dispersed fibers used to manufacture high strength articles having a fiber-reinforced, starch-bound cellular matrix165US 5,679,145 AE. Khashoggi Industries · 1997
- Highly insulative cementitious matrices and methods for their manufacture157US 5,641,584 AE. Khashoggi Industries · 1997
- Laminated articles of manufacture fashioned from sheets having a highly inorganically filled organic polymer matrix154US 5,928,741 AE. Khashoggi Industries · 1999