Refill system and spout and methods of using the same
US-12534246-B2 · Jan 27, 2026 · US
Controlling escape of air from containers or receptacles during filling
Controlling escape of air from containers or receptacles during filling · 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 | B65B3/18 |
| Official title | Controlling escape of air from containers or receptacles during filling |
| Display label | Controlling escape of air from containers or receptacles during filling |
| Total patents | 49 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 5 |
| 2017 | 6 |
| 2018 | 3 |
| 2019 | 4 |
| 2020 | 5 |
| 2021 | 6 |
| 2022 | 5 |
| 2023 | 4 |
| 2024 | 2 |
| 2025 | 4 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for filling a plastic container
US-2026008572-A1 · Jan 8, 2026 · US
Method for filling a plastic container
US-12515831-B1 · Jan 6, 2026 · US
Injection device and injection method
US-12358012-B2 · Jul 15, 2025 · US
Adhesive cartridge
US-12240674-B2 · Mar 4, 2025 · US
Refilling device with venting nozzle, and refilling apparatus
US-2025017286-A1 · Jan 16, 2025 · US
Refill system and spout and methods of using the same
US-2025002189-A1 · Jan 2, 2025 · US
Sealant cartridge air release apparatus and methods
US-11945614-B2 · Apr 2, 2024 · US
Aerosol provision system
US-2024023610-A1 · Jan 25, 2024 · US
A Method of Filling a Cartridge for a Vapour Generating System
US-2023399134-A1 · Dec 14, 2023 · US
Aerosol provision system
US-2023354896-A1 · Nov 9, 2023 · US
Fluid supply apparatus and substrate processing apparatus including the same
US-11623853-B2 · Apr 11, 2023 · US
Aerosol provision system
US-2023021690-A1 · Jan 26, 2023 · US
Fluid supply apparatus and substrate processing apparatus including the same
US-2022396380-A1 · Dec 15, 2022 · US
System and method for filling a chambered package
US-11401055-B2 · Aug 2, 2022 · US
Sealant cartridge air release apparatus and methods
US-2022219844-A1 · Jul 14, 2022 · US
Liquid additive delivery system and methods for ensuring substantially only a liquid is disposed within a container
US-2022072748-A1 · Mar 10, 2022 · US
Foaming and fill level control through stretch rod
US-11267183-B2 · Mar 8, 2022 · US
Liquid additive delivery system and methods for ensuring substantially only a liquid is disposed within a container
US-11207810-B2 · Dec 28, 2021 · US
Adhesive cartridge
US-2021339932-A1 · Nov 4, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B65B3/18?
- CPC B65B3/18 is the Cooperative Patent Classification code for “Controlling escape of air from containers or receptacles during filling.”
- How many patents are filed under CPC B65B3/18 (Controlling escape of air from containers or receptacles during filling)?
- Our database includes 49 publications tagged with this CPC code.
- Is patent activity under CPC B65B3/18 growing?
- Publication counts under this code: 2 in 2024 vs 4 in 2025 (latest complete years).