Device for guiding a film tube
US-11975471-B2 · May 7, 2024 · US
External treatment, e.g. by using air rings for cooling tubular films
External treatment, e.g. by using air rings for cooling tubular films · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B29C48/885 |
| Official title | External treatment, e.g. by using air rings for cooling tubular films |
| Display label | External treatment, e.g. by using air rings for cooling tubular films |
| Total patents | 186 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 15 |
| 2016 | 21 |
| 2017 | 21 |
| 2018 | 22 |
| 2019 | 19 |
| 2020 | 19 |
| 2021 | 15 |
| 2022 | 14 |
| 2023 | 11 |
| 2024 | 14 |
| 2025 | 12 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Cyclic-diene additives in polyethylene films and enhanced film orientation balance in production thereof
US-10124528-B2 · Nov 13, 2018 · US
Method of producing microporous plastic film
US-2018036930-A1 · Feb 8, 2018 · US
Barrier film for food packaging
US-9850369-B2 · Dec 26, 2017 · US
Fluororesin film having excellent transparency
US-9822225-B2 · Nov 21, 2017 · US
Blown film with integral profiles
US-9815238-B2 · Nov 14, 2017 · US
Device for cooling a film, comprising a lever system
US-9810488-B2 · Nov 7, 2017 · US
Devices, Systems, and Processes for Processing Polymers
US-2017305058-A1 · Oct 26, 2017 · US
Polyethylene with controlled wax content, chlorinated polyethylene thereof and molded article produced from the chlorinated polyethylene
US-9796797-B2 · Oct 24, 2017 · US
Highly heat-resistant polyester sheet
US-2017295645-A1 · Oct 12, 2017 · US
Multilayer film comprising cyclic olefin copolymer
US-9783352-B2 · Oct 10, 2017 · US
Method and Device for the Production and Further Processing of a Film Tube
US-2017232653-A1 · Aug 17, 2017 · US
Die device for an extrusion blow-moulding apparatus for producing a multilayered blown film
US-9713896-B2 · Jul 25, 2017 · US
Multilayer Films and Methods of Making the Same
US-2017136746-A1 · May 18, 2017 · US
Barrier film for food packaging
US-2017130040-A1 · May 11, 2017 · US
Barrier film for food packaging
US-9644087-B2 · May 9, 2017 · US
Manufacturing apparatus for film of non-uniform thickness and manufacturing method for film of non-uniform thickness
US-2017087757-A1 · Mar 30, 2017 · US
Barrier film for food packaging
US-9587093-B2 · Mar 7, 2017 · US
Device and method for dynamic extrusion molding of plastic article having variable micro-channel
US-9586356-B2 · Mar 7, 2017 · US
Thermoplastic Elastomeric Films and the Method of Manufacturing Same
US-2017050418-A1 · Feb 23, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B29C48/885?
- CPC B29C48/885 is the Cooperative Patent Classification code for “External treatment, e.g. by using air rings for cooling tubular films.”
- How many patents are filed under CPC B29C48/885 (External treatment, e.g. by using air rings for cooling tubular films)?
- Our database includes 186 publications tagged with this CPC code.
- Is patent activity under CPC B29C48/885 growing?
- Publication counts under this code: 14 in 2024 vs 12 in 2025 (latest complete years).