Method for making an airtight wrapper and airtight wrapper thus obtained
US-11584553-B2 · Feb 21, 2023 · US
and then to form closing folds of similar form at opposite ends of the tube · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B65B11/32 |
| Official title | and then to form closing folds of similar form at opposite ends of the tube |
| Display label | and then to form closing folds of similar form at opposite ends of the tube |
| Total patents | 9 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2020 | 1 |
| 2021 | 2 |
| 2022 | 3 |
| 2023 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-11584553-B2 · Feb 21, 2023 · US
US-11535411-B2 · Dec 27, 2022 · US
US-11427360-B2 · Aug 30, 2022 · US
US-11225343-B2 · Jan 18, 2022 · US
US-2021188468-A1 · Jun 24, 2021 · US
US-2021122508-A1 · Apr 29, 2021 · US
US-2020231315-A1 · Jul 23, 2020 · US
US-9073653-B2 · Jul 7, 2015 · US
US-8925288-B2 · Jan 6, 2015 · US