Roll cover and roll
US-2024068164-A1 · Feb 29, 2024 · US
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having a grooved surface
having a grooved surface · Cooperative Patent Classification (CPC)
Textile and paper production, treatment, and products.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | D21F3/086 |
| Official title | {having a grooved surface} |
| Display label | having a grooved surface |
| Total patents | 7 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 1 |
| 2017 | 1 |
| 2020 | 2 |
| 2024 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Press cover, shoe press and use of a press cover
US-2020165776-A1 · May 28, 2020 · US
Press cover and use thereof
US-2020165777-A1 · May 28, 2020 · US
Device for embossing and/or perforating foils for tobacco goods
US-9809927-B2 · Nov 7, 2017 · US
Paper making machine, an extended nip roll and a method of producing tissue paper
US-9410287-B2 · Aug 9, 2016 · US
Paper making machine, an extended nip roll and a method of producing tissue paper
US-9057157-B2 · Jun 16, 2015 · US
Paper making machine, an extended nip roll and a method of producing tissue paper
US-2015060001-A1 · Mar 5, 2015 · US