Concrete compositions and apparatuses employing the same
US-12522535-B2 · Jan 13, 2026 · US
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Mixtures of fibres of different physical characteristics, e.g. different lengths
Mixtures of fibres of different physical characteristics, e.g. different lengths · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C04B20/0052 |
| Official title | {Mixtures of fibres of different physical characteristics, e.g. different lengths} |
| Display label | Mixtures of fibres of different physical characteristics, e.g. different lengths |
| Total patents | 11 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 2 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 1 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Concrete compositions and apparatuses employing the same
US-2024010554-A1 · Jan 11, 2024 · US
Repair compound and methods of use
US-11713278-B2 · Aug 1, 2023 · US
Ultra high performance concrete composition allowing uniform distribution of reinforcing fiber, concrete slotted floor manufactured using same, and method for manufacturing same
US-2022135477-A1 · May 5, 2022 · US
Repair compound and methods of use
US-10894742-B2 · Jan 19, 2021 · US
Blended fibers in an engineered cementitious composite
US-10538457-B2 · Jan 21, 2020 · US
Repair compound and methods of use
US-10273185-B2 · Apr 30, 2019 · US
Polarity-enhanced ductile polymer fibers for concrete micro-reinforcement
US-10131579-B2 · Nov 20, 2018 · US
Fiber board product comprising a calcium carbonate-containing material
US-10086532-B2 · Oct 2, 2018 · US
Polarity-enhanced ductile polymer fibers for concrete micro-reinforcement
US-2017190616-A1 · Jul 6, 2017 · US
3-mode blended fibers in an engineered cementitious composite
US-9388076-B2 · Jul 12, 2016 · US