Sack and method for producing a sack
US-11161651-B2 · Nov 2, 2021 · US
Stiffening or reinforcing (B31B70/876 takes precedence)
Stiffening or reinforcing (B31B70/876 takes precedence) · 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 | B31B70/008 |
| Official title | {Stiffening or reinforcing (B31B70/876 takes precedence)} |
| Display label | Stiffening or reinforcing (B31B70/876 takes precedence) |
| Total patents | 120 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 10 |
| 2017 | 4 |
| 2018 | 17 |
| 2019 | 6 |
| 2020 | 10 |
| 2021 | 7 |
| 2022 | 12 |
| 2023 | 13 |
| 2024 | 19 |
| 2025 | 11 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method and system for forming packages
US-11059255-B2 · Jul 13, 2021 · US
Thermoplastic films and bags with complex stretch patterns and methods of making the same
US-2021188508-A1 · Jun 24, 2021 · US
Polymeric films and bags
US-11014712-B2 · May 25, 2021 · US
Polymeric bags and method to make same
US-2020407156-A1 · Dec 31, 2020 · US
Method for manufacturing intermediate material for soft packaging container, method for manufacturing soft packaging container, and method for manufacturing soft packaging container packaging body
US-2020324504-A1 · Oct 15, 2020 · US
Films and bags having low-force extension patterns
US-2020282685-A1 · Sep 10, 2020 · US
Embossed paper in combination with paper cushioning for shipping envelopes
US-2020270048-A1 · Aug 27, 2020 · US
Films and bags with billow pockets for capturing liquids
US-2020262172-A1 · Aug 20, 2020 · US
Method And System For Forming Packages
US-2020223611-A1 · Jul 16, 2020 · US
Method and system for forming packages
US-10640271-B2 · May 5, 2020 · US
Method and System for Forming Packages
US-2020122895-A1 · Apr 23, 2020 · US
Method and system for forming packages
US-10562675-B2 · Feb 18, 2020 · US
Method and System for Forming Packages
US-2020009818-A1 · Jan 9, 2020 · US
Polymeric films and bags
US-2019225380-A1 · Jul 25, 2019 · US
Non-continuously laminated structures of thermoplastic films with differing material compositions and functional material properties
US-10293981-B2 · May 21, 2019 · US
Polymeric films and bags
US-10293980-B2 · May 21, 2019 · US
Polymeric bags and method to make same
US-2019092564-A1 · Mar 28, 2019 · US
Dual bag with a pigmented inner bag with pattern and transparent outer bag with pattern
US-D842706-S · Mar 12, 2019 · US
Multi-layered bags with discrete non-continuous lamination
US-10196176-B2 · Feb 5, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B31B70/008?
- CPC B31B70/008 is the Cooperative Patent Classification code for “Stiffening or reinforcing (B31B70/876 takes precedence).”
- How many patents are filed under CPC B31B70/008 (Stiffening or reinforcing (B31B70/876 takes precedence))?
- Our database includes 120 publications tagged with this CPC code.
- Is patent activity under CPC B31B70/008 growing?
- Publication counts under this code: 19 in 2024 vs 11 in 2025 (latest complete years).