Twin-screw extruder including variable diameter of screws and barrel and kneading method using the twin-screw extruder including variable diameter of screws and barrel
US-10532492-B2 · Jan 14, 2020 · US
neighbouring threads and channels having identical configurations · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B29C48/645 |
| Official title | neighbouring threads and channels having identical configurations |
| Display label | neighbouring threads and channels having identical configurations |
| Total patents | 4 |
Year-over-year patent counts classified under this CPC code.
Filing activity appears stable based on the most recent years.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 1 |
| 2020 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-10532492-B2 · Jan 14, 2020 · US
US-2018354181-A1 · Dec 13, 2018 · US
US-9694513-B2 · Jul 4, 2017 · US
US-2016207225-A1 · Jul 21, 2016 · US