Bag making apparatus and bag making method
US-12454113-B2 · Oct 28, 2025 · US
Feeding sheets or blanks
Feeding sheets or blanks · 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 | B31B70/04 |
| Official title | Feeding sheets or blanks |
| Display label | Feeding sheets or blanks |
| Total patents | 29 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 1 |
| 2017 | 3 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 3 |
| 2021 | 9 |
| 2022 | 4 |
| 2023 | 1 |
| 2024 | 3 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Bag making apparatus and bag making method
US-12103263-B2 · Oct 1, 2024 · US
System and process for making a pouch or container
US-11904568-B2 · Feb 20, 2024 · US
Bag making apparatus and bag making method
US-2024017514-A1 · Jan 18, 2024 · US
Bag making apparatus and bag making method
US-2023166476-A1 · Jun 1, 2023 · US
Leak proof container with adhesive attachment
US-11505360-B2 · Nov 22, 2022 · US
Leak proof container with adhesive attachment
US-11440698-B2 · Sep 13, 2022 · US
Manufacturing method and manufacturing apparatus for pouch container
US-11390051-B2 · Jul 19, 2022 · US
Method and System for Forming Packages
US-2022024170-A1 · Jan 27, 2022 · US
Leak proof container with adhesive attachment
US-2021380306-A1 · Dec 9, 2021 · US
Leak proof container with adhesive attachment
US-2021380305-A1 · Dec 9, 2021 · US
Manufacturing method and manufacturing apparatus for pouch container
US-2021323261-A1 · Oct 21, 2021 · US
Bag making machine and method for making plastic bag
US-11090897-B2 · Aug 17, 2021 · US
Leak proof container with adhesive attachment
US-11046477-B2 · Jun 29, 2021 · US
Packaging machine with transport chain
US-11021328-B2 · Jun 1, 2021 · US
System and process for making a pouch or container
US-2021107247-A1 · Apr 15, 2021 · US
Leak proof container with adhesive attachment
US-2021078757-A1 · Mar 18, 2021 · US
System and process for making a pouch or container
US-10919252-B2 · Feb 16, 2021 · US
Packaging machine with transport chain
US-2020130944-A1 · Apr 30, 2020 · US
Joint apparatus and spout sealing machine
US-2020108564-A1 · Apr 9, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B31B70/04?
- CPC B31B70/04 is the Cooperative Patent Classification code for “Feeding sheets or blanks.”
- How many patents are filed under CPC B31B70/04 (Feeding sheets or blanks)?
- Our database includes 29 publications tagged with this CPC code.
- Is patent activity under CPC B31B70/04 growing?
- Publication counts under this code: 3 in 2024 vs 1 in 2025 (latest complete years).