Extrusion system and method for blown film with integral profiles
US-2018370109-A1 · Dec 27, 2018 · US
of tubular films
of 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 | B29C48/912 |
| Official title | {of tubular films} |
| Display label | of tubular films |
| Total patents | 145 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 16 |
| 2016 | 14 |
| 2017 | 18 |
| 2018 | 17 |
| 2019 | 19 |
| 2020 | 15 |
| 2021 | 12 |
| 2022 | 6 |
| 2023 | 7 |
| 2024 | 9 |
| 2025 | 8 |
| 2026 | 4 |
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
Polyethylene films and production of such films
US-10077344-B2 · Sep 18, 2018 · US
Multilayer films and methods thereof
US-2018229472-A1 · Aug 16, 2018 · US
Film product for packaging products in sealed film packages
US-10046896-B2 · Aug 14, 2018 · US
Thermoplastic elastomer tubing and method to make and use same
US-9987784-B2 · Jun 5, 2018 · US
Very thin tube made from tpu and its production process
US-2018141254-A1 · May 24, 2018 · US
System and method for controlling the peripheral stiffness of a wet ceramic extrudate
US-9931763-B2 · Apr 3, 2018 · US
Barrier film for food packaging
US-2018066130-A1 · Mar 8, 2018 · US
Process for forming film
US-9902102-B2 · Feb 27, 2018 · US
Calibrating device for a blown film tube
US-9889593-B2 · Feb 13, 2018 · US
Methods and apparatus for transporting elastomeric emitters and/or manufacturing drip lines
US-9883640-B2 · Feb 6, 2018 · US
Barrier film for food packaging
US-9850369-B2 · Dec 26, 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
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 Heat Shrinkable Films
US-2017198123-A1 · Jul 13, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B29C48/912?
- CPC B29C48/912 is the Cooperative Patent Classification code for “of tubular films.”
- How many patents are filed under CPC B29C48/912 (of tubular films)?
- Our database includes 145 publications tagged with this CPC code.
- Is patent activity under CPC B29C48/912 growing?
- Publication counts under this code: 9 in 2024 vs 8 in 2025 (latest complete years).