Packaging unit having improved sealing and a method of forming a packaging unit having improved sealing
US-9821940-B2 · Nov 21, 2017 · US
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Operations & Transport
Operations & Transport · 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 | B31B19/64 |
| Official title | — |
| Display label | Operations & Transport (mapped technology topic) |
| Total patents | 8 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears to be growing based on the most recent years.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
System and process for making a pouch or container
US-2017203531-A1 · Jul 20, 2017 · US
Methods of making multi-layered bags with enhanced properties
US-9669595-B2 · Jun 6, 2017 · US
Plastic bag making apparatus
US-9662852-B2 · May 30, 2017 · US
Improved seals for stretchable films
US-2017106619-A1 · Apr 20, 2017 · US
Packaging unit having improved sealing and a method of forming a packaging unit having improved sealing
US-2017057719-A1 · Mar 2, 2017 · US
Plastic bag making apparatus
US-2016129628-A1 · May 12, 2016 · US
Trash bag with odor control and method of making same
US-9108380-B2 · Aug 18, 2015 · US