C04B 20/0068
Composite fibres
Official title: {Composite fibres, e.g. fibres with a core and sheath of different material}
C04B20/0068 (Composite fibres) appears on 51 US grants and 93 published applications in this corpus.
Search patents in C04B- Granted patents
- 51
- Published applications
- 93
- Assignees
- 63
- Inventors
- 221
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 2 |
| 2005 | 1 | 1 |
| 2006 | 2 | 3 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 2 | 2 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 2 | 2 |
| 2014 | 3 | 5 |
| 2015 | 0 | 1 |
| 2016 | 1 | 8 |
| 2017 | 1 | 4 |
| 2018 | 3 | 6 |
| 2019 | 5 | 6 |
| 2020 | 3 | 8 |
| 2021 | 5 | 11 |
| 2022 | 5 | 7 |
| 2023 | 5 | 4 |
| 2024 | 4 | 5 |
| 2025 | 3 | 7 |
| 2026 | 4 | 6 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Method for manufacturing fiber composite for reinforcing concrete, and concrete comprising fiber composite manufactured thereby6 Oct 2026US 12,753,116 B2
- Concrete reinforcement member1 Sep 2026US 12,723,409 B2Afyon Cimento Sanayi Turk Anonim Sirketi
- Reinforcement bar and method for manufacturing same23 Jun 2026US 12,662,424 B2Reforcetech Ltd.
- Flexural hybrid span beam2 Jun 2026US 12,643,259 B2Najran University
- Permeable pavement system including a permeable pavement composition and a related method22 Jul 2025US 12,365,626 B2The Boeing Company
- 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
- Flexural hybrid span beam27 Aug 2026US 2026/0249514 A1Najran University
- Flexible fibers, cementitious mixtures comprising flexible fibers, and building components formed therefrom25 Jun 2026US 2026/0176870 A1Indorama Ventures Hygiene Fibers, Inc.
- Protected metal wires and fibers for reinforcement of concrete structures29 Jan 2026US 2026/0028280 A1Helix Steel, LLC
Most cited
By later US patents
- Composition and method for repairing metal reinforced concrete structures10US 7,048,873 B1Cortec Corporation · 2006
- Composition and method for preserving posttensioning cables in metal reinforced concrete structures9US 7,541,089 B1Cortec Corporation · 2009
- Unitized fibrous concrete reinforcement7US 7,067,002 B2Polymer Group, Inc. · 2006
- Electrically and/or magnetically active coated fibres for wellbore operations7US 8,372,787 B2Schlumberger Technology Corporation · 2013
- Fiber reinforced cementitious material6US 6,911,077 B2The InterTech Group, Inc. · 2005