Method of determining the volume flow and the filling degree at a packaging machine
US-2019382142-A1 · Dec 19, 2019 · US
Filling, closing, or filling and closing, containers {or wrappers} in chambers maintained under vacuum or superatmospheric pressure or containing a special atmosphere, e.g. of inert gas
Filling, closing, or filling and closing, containers {or wrappers} in chambers maintained under vacuum or superatmospheric pressure or containing a special atmosphere, e.g. of inert gas · 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 | B65B31/02 |
| Official title | Filling, closing, or filling and closing, containers {or wrappers} in chambers maintained under vacuum or superatmospheric pressure or containing a special atmosphere, e.g. of inert gas |
| Display label | Filling, closing, or filling and closing, containers {or wrappers} in chambers maintained under vacuum or superatmospheric pressure or containing a special atmosphere, e.g. of inert gas |
| Total patents | 135 |
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 | 16 |
| 2016 | 11 |
| 2017 | 12 |
| 2018 | 9 |
| 2019 | 14 |
| 2020 | 18 |
| 2021 | 19 |
| 2022 | 14 |
| 2023 | 12 |
| 2024 | 3 |
| 2025 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Packaging machine with compensation cylinder
US-2019344916-A1 · Nov 14, 2019 · US
Methods for packaging and sterilizing elastomeric articles and packaged elastomeric articles produced thereby
US-10472110-B2 · Nov 12, 2019 · US
Packaging machine for packaging products in plastic packaging
US-2019329923-A1 · Oct 31, 2019 · US
Methods for packaging and sterilizing elastomeric articles and packaged elastomeric articles produced thereby
US-10421569-B2 · Sep 24, 2019 · US
Apparatus and method for the production of foods
US-2019248519-A1 · Aug 15, 2019 · US
Process and apparatus for gas extraction in packaging
US-2019193881-A1 · Jun 27, 2019 · US
Method for preparing collagen-based materials
US-10322835-B1 · Jun 18, 2019 · US
Devices and methods for supplying lids to a can seamer
US-2019071197-A1 · Mar 7, 2019 · US
Method and apparatus for drying a material
US-2019032997-A1 · Jan 31, 2019 · US
Chamber machine with gas nozzle monitoring
US-10189589-B2 · Jan 29, 2019 · US
Method and machine for producing sterile solution product bags
US-2019002136-A1 · Jan 3, 2019 · US
Method and apparatus of supplying a bag
US-2018339870-A1 · Nov 29, 2018 · US
Thermoforming packaging machine with a top film forming station
US-10118719-B2 · Nov 6, 2018 · US
Method for drying a material
US-10113794-B2 · Oct 30, 2018 · US
Pouch with incorporated loss of integrity indicator, method for making such a bag, and method for using same
US-10112764-B2 · Oct 30, 2018 · US
Chamber conveyor belt machine
US-10106382-B2 · Oct 23, 2018 · US
Apparatus for drying a material
US-10006714-B2 · Jun 26, 2018 · US
Excrement treatment material and method for manufacturing the same
US-2018155107-A1 · Jun 7, 2018 · US
Tray sealer
US-2018155074-A1 · Jun 7, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B65B31/02?
- CPC B65B31/02 is the Cooperative Patent Classification code for “Filling, closing, or filling and closing, containers {or wrappers} in chambers maintained under vacuum or superatmospheric pressure or containing a special atmosphere, e.g. of inert gas.”
- How many patents are filed under CPC B65B31/02 (Filling, closing, or filling and closing, containers {or wrappers} in chambers maintained under vacuum or superatmospheric pressure or containing a special atmosphere, e.g. of inert gas)?
- Our database includes 135 publications tagged with this CPC code.
- Is patent activity under CPC B65B31/02 growing?
- Publication counts under this code: 3 in 2024 vs 7 in 2025 (latest complete years).