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-12472718-B2 · Nov 18, 2025 · US
by continuously feeding them to stationary members, e.g. plates, ploughs or cores
by continuously feeding them to stationary members, e.g. plates, ploughs or cores · 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 | B31B70/36 |
| Official title | by continuously feeding them to stationary members, e.g. plates, ploughs or cores |
| Display label | by continuously feeding them to stationary members, e.g. plates, ploughs or cores |
| Total patents | 41 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2016 | 6 |
| 2017 | 1 |
| 2018 | 3 |
| 2019 | 3 |
| 2020 | 5 |
| 2021 | 4 |
| 2022 | 7 |
| 2023 | 5 |
| 2024 | 4 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Bag making method and bag making apparatus
US-12350902-B2 · Jul 8, 2025 · US
Bag making apparatus, bag making method and bag
US-12226975-B2 · Feb 18, 2025 · US
Expanding storage bags
US-12179465-B2 · Dec 31, 2024 · US
Heat seal device and bag making apparatus
US-12122119-B2 · Oct 22, 2024 · US
Bag making method and bag making apparatus
US-2024198622-A1 · Jun 20, 2024 · US
Bag making method and bag making apparatus
US-11926118-B2 · Mar 12, 2024 · US
Heat seal device and bag making apparatus
US-2023330962-A1 · Oct 19, 2023 · US
Bag making method and bag making apparatus
US-2023211574-A9 · Jul 6, 2023 · US
Expanding storage bags
US-2023211576-A1 · Jul 6, 2023 · US
Bag making apparatus, bag making method and bag
US-2023166475-A1 · Jun 1, 2023 · US
Recyclable pouch having reseal closure overlapping an edge seal, formed from rollstock film, on high speed packaging machinery
US-11577864-B2 · Feb 14, 2023 · US
Expanding storage bags
US-11498308-B2 · Nov 15, 2022 · US
Method and system for forming packages
US-11491755-B2 · Nov 8, 2022 · US
Expanding storage bags
US-2022204216-A1 · Jun 30, 2022 · US
Bag making method and bag making apparatus
US-2022194045-A1 · Jun 23, 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
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-11285686-B2 · Mar 29, 2022 · US
Tubular bag machine for producing paper bags
US-2022040952-A1 · Feb 10, 2022 · US
Recyclable pouch having reseal closure overlapping an edge seal, formed from rollstock film, on high speed packaging machinery
US-2021387758-A1 · Dec 16, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B31B70/36?
- CPC B31B70/36 is the Cooperative Patent Classification code for “by continuously feeding them to stationary members, e.g. plates, ploughs or cores.”
- How many patents are filed under CPC B31B70/36 (by continuously feeding them to stationary members, e.g. plates, ploughs or cores)?
- Our database includes 41 publications tagged with this CPC code.
- Is patent activity under CPC B31B70/36 growing?
- Publication counts under this code: 4 in 2024 vs 3 in 2025 (latest complete years).