Method for producing self-standing packaging bag, sealing member used to produce the self-standing packaging bag, and self-standing packaging bag produced by the method for producing self-standing packaging bag
US-2025178303-A1 · Jun 5, 2025 · US
using heat-activatable adhesive
using heat-activatable adhesive · 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 | B65D33/22 |
| Official title | using heat-activatable adhesive |
| Display label | using heat-activatable adhesive |
| Total patents | 31 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 3 |
| 2017 | 2 |
| 2018 | 1 |
| 2019 | 4 |
| 2020 | 2 |
| 2021 | 4 |
| 2022 | 6 |
| 2024 | 5 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Chemical and biological isolation bag
US-2025019151-A1 · Jan 16, 2025 · US
Zipper tape and container equipped with zipper tape
US-2025002222-A1 · Jan 2, 2025 · US
Envelopes formed from extensible paper
US-2024400266-A1 · Dec 5, 2024 · US
Chemical and biological isolation bag
US-12134515-B2 · Nov 5, 2024 · US
Chemical and biological isolation bag
US-2024327109-A1 · Oct 3, 2024 · US
Laser-printed packaging body
US-2024166414-A1 · May 23, 2024 · US
Valve and package provided with the same
US-11988293-B2 · May 21, 2024 · US
Magnetic reseal
US-11535440-B2 · Dec 27, 2022 · US
Package
US-2022324615-A1 · Oct 13, 2022 · US
Resealable bag and method of producing the resealable bag
US-11377284-B2 · Jul 5, 2022 · US
Multi-layer film and reclosable film package
US-11267633-B2 · Mar 8, 2022 · US
Fermented food packing pouch, fermented food packing method using same, and packing pouch
US-11247823-B2 · Feb 15, 2022 · US
Package unit comprising a packaging and a circular plate-like accessory for power tools contained in the packaging
US-11242184-B2 · Feb 8, 2022 · US
Package unit comprising a packaging and a circular plate-like accessory for power tools contained in the packaging
US-2021387784-A1 · Dec 16, 2021 · US
Valve and package provided with the same
US-2021341068-A1 · Nov 4, 2021 · US
Magnetic reseal
US-2021221591-A1 · Jul 22, 2021 · US
Resealable Bag and Method of Producing the Resealable Bag
US-2021139217-A1 · May 13, 2021 · US
Fermented food packing pouch, fermented food packing method using same, and packing pouch
US-2020361687-A1 · Nov 19, 2020 · US
Expandable secondary package for a container
US-10654637-B2 · May 19, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B65D33/22?
- CPC B65D33/22 is the Cooperative Patent Classification code for “using heat-activatable adhesive.”
- How many patents are filed under CPC B65D33/22 (using heat-activatable adhesive)?
- Our database includes 31 publications tagged with this CPC code.
- Is patent activity under CPC B65D33/22 growing?
- Publication counts under this code: 5 in 2024 vs 3 in 2025 (latest complete years).