Corrugated cardboard sheet manufacturing system
US-11642865-B2 · May 9, 2023 · US
Methods · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B31F1/2804 |
| Official title | {Methods} |
| Display label | Methods |
| Total patents | 6 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 1 |
| 2022 | 1 |
| 2023 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-11642865-B2 · May 9, 2023 · US
US-11613094-B2 · Mar 28, 2023 · US
US-11235549-B2 · Feb 1, 2022 · US
US-2021039348-A1 · Feb 11, 2021 · US
US-2020207051-A1 · Jul 2, 2020 · US
US-2019381756-A1 · Dec 19, 2019 · US