Earpiece and method for forming an earpiece
US-11546698-B2 · Jan 3, 2023 · US
and with one or more layers of pure plastics material, e.g. foam layers (applying a non-preformed coating, e.g. a gel-coat B29C37/0025; with foam blocks B29C70/86) · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B29C70/603 |
| Official title | {and with one or more layers of pure plastics material, e.g. foam layers (applying a non-preformed coating, e.g. a gel-coat B29C37/0025; with foam blocks B29C70/86)} |
| Display label | and with one or more layers of pure plastics material, e.g. foam layers (applying a non-preformed coating, e.g. a gel-coat B29C37/0025; with foam blocks B29C70/86) |
| Total patents | 6 |
Year-over-year patent counts classified under this CPC code.
Filing activity appears to be declining based on the most recent years.
| Year | Patents |
|---|---|
| 2019 | 3 |
| 2020 | 2 |
| 2023 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-11546698-B2 · Jan 3, 2023 · US
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US-10356532-B2 · Jul 16, 2019 · US
US-2019082272-A9 · Mar 14, 2019 · US