Method and apparatus for manufacturing dry liners for pipe repair
US-11712857-B2 · Aug 1, 2023 · US
the structure being stacked in parallel layers with fibres of adjacent layers crossing at substantial angles · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B29C70/228 |
| Official title | {the structure being stacked in parallel layers with fibres of adjacent layers crossing at substantial angles} |
| Display label | the structure being stacked in parallel layers with fibres of adjacent layers crossing at substantial angles |
| Total patents | 79 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2016 | 4 |
| 2017 | 6 |
| 2018 | 7 |
| 2019 | 10 |
| 2020 | 11 |
| 2021 | 12 |
| 2022 | 6 |
| 2023 | 9 |
| 2024 | 9 |
| 2025 | 5 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-11712857-B2 · Aug 1, 2023 · US
US-11692306-B2 · Jul 4, 2023 · US
US-2023191727-A1 · Jun 22, 2023 · US
US-2023134780-A1 · May 4, 2023 · US
US-11519291-B2 · Dec 6, 2022 · US
US-11433625-B2 · Sep 6, 2022 · US
US-11370181-B2 · Jun 28, 2022 · US
US-2022156439-A1 · May 19, 2022 · US
US-2022156440-A1 · May 19, 2022 · US
US-11331953-B2 · May 17, 2022 · US
US-2021387428-A1 · Dec 16, 2021 · US
US-2021331429-A1 · Oct 28, 2021 · US
US-11156126-B2 · Oct 26, 2021 · US
US-2021301462-A1 · Sep 30, 2021 · US
US-11052617-B2 · Jul 6, 2021 · US
US-2021129455-A1 · May 6, 2021 · US
US-10967584-B2 · Apr 6, 2021 · US
US-10960612-B2 · Mar 30, 2021 · US
US-2021053669-A1 · Feb 25, 2021 · US
US-2021046714-A1 · Feb 18, 2021 · US
Answers are generated from the same data shown on this page.