Method for improving the heat sealability of packaging material and method for manufacturing heat-sealed container or package
US-10857753-B2 · Dec 8, 2020 · US
by applying heat or pressure, e.g. by welding (to unite areas where adhesives are applied B31B50/62)
by applying heat or pressure, e.g. by welding (to unite areas where adhesives are applied B31B50/62) · 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 | B31B50/64 |
| Official title | by applying heat or pressure, e.g. by welding (to unite areas where adhesives are applied B31B50/62) |
| Display label | by applying heat or pressure, e.g. by welding (to unite areas where adhesives are applied B31B50/62) |
| Total patents | 98 |
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 | 14 |
| 2016 | 7 |
| 2017 | 11 |
| 2018 | 11 |
| 2019 | 10 |
| 2020 | 14 |
| 2021 | 10 |
| 2022 | 4 |
| 2023 | 9 |
| 2024 | 3 |
| 2025 | 4 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process for forming plastic corrugated container with ultrasonically formed score lines
US-10829264-B2 · Nov 10, 2020 · US
Multi-layer thermoplastic films and bags with enhanced light transmittance and methods for making the same
US-2020277107-A1 · Sep 3, 2020 · US
Liner for an overpack assembly
US-2020207532-A1 · Jul 2, 2020 · US
Optical device for checking a face of a blank
US-10647458-B2 · May 12, 2020 · US
Device and method for inductively heating package sleeves
US-10562236-B2 · Feb 18, 2020 · US
Container precursor, in particular for the manufacture of a food container, from a laminate with a plastic gas and aroma barrier and a peeled edge region, which is partially folded back on itself
US-10543665-B2 · Jan 28, 2020 · US
Methods and machine for forming a two-piece blank assembly
US-2019329516-A1 · Oct 31, 2019 · US
Planar composite having layers of plastic of different damping properties
US-10399736-B2 · Sep 3, 2019 · US
Container precursor, in particular for producing a dimensionally stable foodstuff container, having a sheetlike composite, a first and a second wall region
US-2019256264-A1 · Aug 22, 2019 · US
Plastic bag making apparatus
US-10369759-B2 · Aug 6, 2019 · US
Methods and machine for forming a two-piece blank assembly
US-10350849-B2 · Jul 16, 2019 · US
Jaw support for pouch filler
US-10343365-B2 · Jul 9, 2019 · US
Multi-layer thermoplastic films and bags with enhanced light transmittance and methods for making the same
US-2019161242-A1 · May 30, 2019 · US
Methods for securing a shrinkable film to a paperboard substrate and methods for making paperboard containers therefrom
US-10232580-B2 · Mar 19, 2019 · US
Method And System For Forming Packages
US-2019047745-A1 · Feb 14, 2019 · US
Multi-layered thermoplastic films and bags with enhanced light transmittance and methods for making the same
US-10196177-B2 · Feb 5, 2019 · US
Balanced process for extrusion of plastic corrugated sheet and subsequent converting into plastic boxes
US-2018362207-A1 · Dec 20, 2018 · US
Methods and machine for forming a two-piece blank assembly
US-2018345617-A1 · Dec 6, 2018 · US
Container bottom heater
US-2018304570-A1 · Oct 25, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B31B50/64?
- CPC B31B50/64 is the Cooperative Patent Classification code for “by applying heat or pressure, e.g. by welding (to unite areas where adhesives are applied B31B50/62).”
- How many patents are filed under CPC B31B50/64 (by applying heat or pressure, e.g. by welding (to unite areas where adhesives are applied B31B50/62))?
- Our database includes 98 publications tagged with this CPC code.
- Is patent activity under CPC B31B50/64 growing?
- Publication counts under this code: 3 in 2024 vs 4 in 2025 (latest complete years).