B28C 5/404
Pre-treatment of fibres
Official title: {Pre-treatment of fibres}
B28C5/404 (Pre-treatment of fibres) appears on 42 US grants and 29 published applications in this corpus.
Search patents in B28C- Granted patents
- 42
- Published applications
- 29
- Assignees
- 32
- Inventors
- 94
- Latest grant
- 17 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 2 | 3 |
| 2004 | 2 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 2 |
| 2007 | 1 | 3 |
| 2008 | 0 | 2 |
| 2009 | 1 | 0 |
| 2010 | 2 | 4 |
| 2011 | 4 | 2 |
| 2012 | 1 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 1 |
| 2022 | 1 | 2 |
| 2023 | 2 | 3 |
| 2024 | 2 | 0 |
| 2025 | 2 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Automated fiber dispenser17 Jun 2025US 12,330,337 B1
- Concrete product and methods of preparing the same25 Feb 2025US 12,233,575 B2S3 Concrete Technologies, Inc.
- Device and method for improving the toughness of concrete by solving fiber agglomeration15 Oct 2024US 12,116,314 B1Nanjing Hydraulic Research Institute, Mee
- Method of preparing a gypsum-based product24 Sep 2024US 12,098,097 B2Saint-Gobain Placo
- Fiber pre-dispersing device for fiber reinforced concrete22 Aug 2023US 11,731,314 B2Qingdao University of Technology
- Automated fiber dispenser22 Jan 2026US 2026/0021607 A1
- Concrete product and methods of preparing the same26 Jun 2025US 2025/0205927 A1S3 Concrete Technologies, Inc.
- Method and Device for Increasing the Force Required to Separate a Solidified Deformable Material into at Least Two Portions9 Nov 2023US 2023/0356432 A1
- Light weight ceramic aggregates made by agglomerating ceramic fibers5 Oct 2023US 2023/0312415 A1Unifrax I LLC
- Fiber pre-dispersing device for fiber reinforced concrete27 Jul 2023US 2023/0234260 A1Qingdao University of Technology
Most cited
By later US patents
- Non-combustible reinforced cementitious lightweight panels and metal frame system for building foundations69US 7,870,698 B2United States Gypsum Company · 2011
- Method of dosing fibres66US 5,285,930 ASkako A/S · 1994
- Crimped thermoplastic fibers for reinforcing concrete23US 5,985,449 ASpecialty Filaments, Inc. · 1999
- Reinforced cementitious shear panels21US 7,845,130 B2United States Gypsum Company · 2010
- Method of preparing fibrous concrete18US 4,023,706 ACaterpillar Tractor Co. · 1977