Hot air shrink tunnel for heat shrinking a shrink label, method for heat shrinking a shrink label, and heat shrinking apparatus for heat shrinking a shrink label
US-2025206480-A1 · Jun 26, 2025 · US
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supplied by liquids
supplied by liquids · 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 | B65B53/04 |
| Official title | supplied by liquids |
| Display label | supplied by liquids |
| Total patents | 15 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2019 | 2 |
| 2020 | 2 |
| 2021 | 1 |
| 2022 | 4 |
| 2023 | 2 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Heat-shrinkable polyester film having longitudinal (lengthwise) direction as main shrinkage direction
US-12221251-B2 · Feb 11, 2025 · US
Reversible plugging-type device for preventing seepage from side wall of irregular sample
US-11714042-B1 · Aug 1, 2023 · US
Apparatus for heat shrinking a package and method for heat shrinking a package
US-11661224-B2 · May 30, 2023 · US
Bag-sealing apparatus and method
US-11491734-B2 · Nov 8, 2022 · US
Heat-shrinkable polyester film having longitudinal (lengthwise) direction as main shrinkage direction
US-2022306345-A1 · Sep 29, 2022 · US
Bag-sealing apparatus and method
US-2022134677-A1 · May 5, 2022 · US
High-shrink, high-strength multilayer film
US-11305520-B2 · Apr 19, 2022 · US
High-shrink, high-strength multilayer film
US-2021101374-A1 · Apr 8, 2021 · US
Apparatus for heat shrinking a package and method for heat shrinking a package
US-2020108964-A1 · Apr 9, 2020 · US
Apparatus for heat shrinking a package and method for heat shrinking a package
US-10597183-B2 · Mar 24, 2020 · US
Heat-shrinkable multilayer film
US-10414565-B2 · Sep 17, 2019 · US
Process and apparatus for gas extraction in packaging
US-2019193881-A1 · Jun 27, 2019 · US
Heat-shrinkable multilayer film
US-2016152390-A1 · Jun 2, 2016 · US
Method and apparatus for treatment of food products
US-9241497-B2 · Jan 26, 2016 · US