Method and apparatus for filling and closing containers
US-2025382168-A1 · Dec 18, 2025 · US
Head-space air removing devices, e.g. by inducing foam
Head-space air removing devices, e.g. by inducing foam · 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 | B67C3/222 |
| Official title | {Head-space air removing devices, e.g. by inducing foam} |
| Display label | Head-space air removing devices, e.g. by inducing foam |
| Total patents | 35 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2017 | 7 |
| 2018 | 3 |
| 2019 | 6 |
| 2020 | 5 |
| 2021 | 5 |
| 2022 | 3 |
| 2023 | 2 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Apparatus and method for dispensing a liquefied fluid into a container
US-2025361986-A1 · Nov 27, 2025 · US
System for supplying photoresist and method for managing photoresist
US-2023176482-A1 · Jun 8, 2023 · US
Device and method for treating containers filled with foamable liquid filling material
US-11623854-B2 · Apr 11, 2023 · US
Method and device for displacing air from bottles of carbonated beverages
US-11505441-B2 · Nov 22, 2022 · US
Liquid blow molding method
US-11400637-B2 · Aug 2, 2022 · US
Liquid blow molding method
US-11318656-B2 · May 3, 2022 · US
Gas replacement system and gas replacement method
US-11180357-B2 · Nov 23, 2021 · US
Device for transporting a container
US-11084700-B2 · Aug 10, 2021 · US
Device and method for treating containers filled with foamable liquid filling material
US-2021229971-A1 · Jul 29, 2021 · US
Liquid blow molding method
US-2021178651-A1 · Jun 17, 2021 · US
Can filling/seaming device and can filling/seaming method
US-10987719-B2 · Apr 27, 2021 · US
Method and device for treating a mixture of expansion gas and filling product foam in a beverage filling plant
US-10864529-B2 · Dec 15, 2020 · US
Variable speed cryogen dosing system
US-2020339402-A1 · Oct 29, 2020 · US
Liquid blow molding method
US-2020331186-A1 · Oct 22, 2020 · US
Gas replacement system and gas replacement method
US-2020079635-A1 · Mar 12, 2020 · US
Method and device for displacing air from bottles of carbonated beverages
US-2020071149-A1 · Mar 5, 2020 · US
Method of degasification of a carbonated beverage-filled container
US-10501302-B2 · Dec 10, 2019 · US
Method and device for treating a mixture of expansion gas and filling product foam in a beverage filling plant
US-10478832-B2 · Nov 19, 2019 · US
Form-filing machine
US-10350816-B2 · Jul 16, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B67C3/222?
- CPC B67C3/222 is the Cooperative Patent Classification code for “Head-space air removing devices, e.g. by inducing foam.”
- How many patents are filed under CPC B67C3/222 (Head-space air removing devices, e.g. by inducing foam)?
- Our database includes 35 publications tagged with this CPC code.
- Is patent activity under CPC B67C3/222 growing?
- Publication counts under this code: 2 in 2023 vs 2 in 2025 (latest complete years).