Cellulose based film structure and method for producing the same
US-11661703-B2 · May 30, 2023 · US
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using air hoods over the cylinders
using air hoods over the cylinders · 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 | D21F5/044 |
| Official title | {using air hoods over the cylinders} |
| Display label | using air hoods over the cylinders |
| Total patents | 10 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 1 |
| 2021 | 3 |
| 2022 | 2 |
| 2023 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Yankee drying hood arrangement, a Yankee drying cylinder fitted with a Yankee drying hood arrangement and a method of drying a fibrous web
US-11268240-B2 · Mar 8, 2022 · US
A yankee drying hood arrangement, a yankee drying cylinder fitted with a yankee drying hood arrangement and a method of drying a fibrous web
US-2022042244-A1 · Feb 10, 2022 · US
Cellulose based film structure and method for producing the same
US-2021301464-A1 · Sep 30, 2021 · US
Drying hood, drying arrangement and use thereof
US-11118310-B2 · Sep 14, 2021 · US
Cellulose based film structure and method for producing the same
US-11047091-B2 · Jun 29, 2021 · US
Cellulose based film structure and method for producing the same
US-2020325626-A1 · Oct 15, 2020 · US
Drying hood, drying arrangement and use thereof
US-2019368127-A1 · Dec 5, 2019 · US
Through-air drying apparatus and methods of manufacture
US-10240292-B2 · Mar 26, 2019 · US
Through-air drying apparatus and methods of manufacture
US-2018363243-A1 · Dec 20, 2018 · US