A barrier system
US-2024051735-A1 · Feb 15, 2024 · US
by treatment of the layer
by treatment of the layer · 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 | B32B5/147 |
| Official title | {by treatment of the layer} |
| Display label | by treatment of the layer |
| Total patents | 134 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 13 |
| 2016 | 14 |
| 2017 | 10 |
| 2018 | 10 |
| 2019 | 16 |
| 2020 | 13 |
| 2021 | 13 |
| 2022 | 16 |
| 2023 | 10 |
| 2024 | 9 |
| 2025 | 7 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Marking plastic-based products
US-2019362581-A1 · Nov 28, 2019 · US
Graphite material and production method thereof
US-10435607-B2 · Oct 8, 2019 · US
Film, packaging bag using the film, and method of imparting heat sealing properties to the film
US-10427377-B2 · Oct 1, 2019 · US
Marking plastic-based products
US-10410453-B2 · Sep 10, 2019 · US
Polarizer, polarizing plate, and method of producing polarizer
US-2019243046-A1 · Aug 8, 2019 · US
Ballistic and stab resistant composite
US-10323908-B2 · Jun 18, 2019 · US
Method for producing a glass ceramic element with patterned coating
US-10315276-B2 · Jun 11, 2019 · US
Stretchable films, methods of manufacturing the same and display devices including the same
US-2019148655-A1 · May 16, 2019 · US
Interlayer for laminated glass, and laminated glass
US-2019099985-A1 · Apr 4, 2019 · US
Films having selectively weakened portions
US-2019061308-A1 · Feb 28, 2019 · US
Stretchable films, methods of manufacturing the same and display devices including the same
US-10217950-B2 · Feb 26, 2019 · US
Polarizer, polarizing plate, and method of producing polarizer
US-10215901-B2 · Feb 26, 2019 · US
Polyethylene film, laminate and package using the same
US-2018345633-A1 · Dec 6, 2018 · US
Multi-component films
US-2018304574-A1 · Oct 25, 2018 · US
Method and apparatus for reticulating an adhesive to the surface network of a cellular core structure
US-10040269-B2 · Aug 7, 2018 · US
Shaped nonwoven fabrics and articles including the same
US-2018214321-A1 · Aug 2, 2018 · US
Film, packaging bag using the film, and method of imparting heat sealing properties to the film
US-2018186948-A1 · Jul 5, 2018 · US
Selectively weakened stretched films
US-10005256-B2 · Jun 26, 2018 · US
Laminate structure for resealable package
US-9926122-B1 · Mar 27, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B32B5/147?
- CPC B32B5/147 is the Cooperative Patent Classification code for “by treatment of the layer.”
- How many patents are filed under CPC B32B5/147 (by treatment of the layer)?
- Our database includes 134 publications tagged with this CPC code.
- Is patent activity under CPC B32B5/147 growing?
- Publication counts under this code: 9 in 2024 vs 7 in 2025 (latest complete years).