Self-centering and self-gripping corkscrew
US-9440834-B2 · Sep 13, 2016 · US
Cork-screws · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B67B7/04 |
| Official title | Cork-screws |
| Display label | Cork-screws |
| Total patents | 2 |
Year-over-year patent counts classified under this CPC code.
Filing activity appears stable based on the most recent years.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-9440834-B2 · Sep 13, 2016 · US
US-2015122085-A1 · May 7, 2015 · US