Expanding storage bags
US-11498308-B2 · Nov 15, 2022 · US
Making seals transversally to the direction of movement
Making seals transversally to the direction of movement · 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 | B31B70/645 |
| Official title | {Making seals transversally to the direction of movement} |
| Display label | Making seals transversally to the direction of movement |
| Total patents | 124 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2016 | 5 |
| 2017 | 10 |
| 2018 | 4 |
| 2019 | 8 |
| 2020 | 6 |
| 2021 | 15 |
| 2022 | 15 |
| 2023 | 18 |
| 2024 | 27 |
| 2025 | 12 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Bag making apparatus and method for making plastic bag
US-11446892-B2 · Sep 20, 2022 · US
Reinforced thermoplastic bag with extended hem skirt
US-2022219865-A1 · Jul 14, 2022 · US
Expanding storage bags
US-2022204216-A1 · Jun 30, 2022 · US
Zipper tape-equipped bag body, article housing method for zipper tape-equipped bag body, manufacturing method for zipper tape-equipped bag body, and manufacturing device for zipper tape-equipped bag body
US-2022184913-A1 · Jun 16, 2022 · US
Methods and apparatus to facilitate plastic film processing
US-2022177175-A1 · Jun 9, 2022 · US
Method and system for forming packages
US-11325336-B2 · May 10, 2022 · US
Thermoplastic bags with phased deformation patterns
US-2022135285-A1 · May 5, 2022 · US
Plastic bag making apparatus and method
US-11298909-B2 · Apr 12, 2022 · US
Thermoplastic bags with duplicative seals
US-2022081168-A1 · Mar 17, 2022 · US
Tubular bag machine for producing paper bags
US-2022040952-A1 · Feb 10, 2022 · US
Method and System for Forming Packages
US-2022024170-A1 · Jan 27, 2022 · US
Heat seal device
US-11198254-B2 · Dec 14, 2021 · US
Method and system for forming packages
US-11174065-B2 · Nov 16, 2021 · US
Asynchronous spatial lbt
US-2021352719-A1 · Nov 11, 2021 · US
Machine for production of stand up pouches
US-2021347141-A1 · Nov 11, 2021 · US
Intermittent feed device
US-2021292122-A1 · Sep 23, 2021 · US
Asynchronous spatial LBT
US-11102815-B2 · Aug 24, 2021 · US
Bag making machine and method for making plastic bag
US-11090897-B2 · Aug 17, 2021 · US
Plastic bag making apparatus and method
US-2021221568-A1 · Jul 22, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B31B70/645?
- CPC B31B70/645 is the Cooperative Patent Classification code for “Making seals transversally to the direction of movement.”
- How many patents are filed under CPC B31B70/645 (Making seals transversally to the direction of movement)?
- Our database includes 124 publications tagged with this CPC code.
- Is patent activity under CPC B31B70/645 growing?
- Publication counts under this code: 27 in 2024 vs 12 in 2025 (latest complete years).