Fluid cartridge system and method of using a fluid cartridge system
US-10351328-B2 · Jul 16, 2019 · US
Containers having parallel or coaxial compartments, provided with a piston or a movable bottom for discharging contents
Containers having parallel or coaxial compartments, provided with a piston or a movable bottom for discharging contents · 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 | B65D81/325 |
| Official title | {Containers having parallel or coaxial compartments, provided with a piston or a movable bottom for discharging contents} |
| Display label | Containers having parallel or coaxial compartments, provided with a piston or a movable bottom for discharging contents |
| Total patents | 148 |
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 | 15 |
| 2016 | 10 |
| 2017 | 17 |
| 2018 | 16 |
| 2019 | 19 |
| 2020 | 15 |
| 2021 | 16 |
| 2022 | 12 |
| 2023 | 9 |
| 2024 | 14 |
| 2025 | 4 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Mixing and dispensing curable multi-component materials
US-2019009234-A1 · Jan 10, 2019 · US
Fluid cartridge system and method of using a fluid cartridge system
US-2018362241-A1 · Dec 20, 2018 · US
Assembly comprising a foil pack and a dispensing device and foil pack
US-2018346227-A1 · Dec 6, 2018 · US
Dual fluid cartridge assembly
US-10144572-B2 · Dec 4, 2018 · US
Cartridge, method of manufacturing same and multicomponent cartridge
US-10105731-B2 · Oct 23, 2018 · US
Fluid cartridge system and method of using a fluid cartridge system
US-10099838-B2 · Oct 16, 2018 · US
Mixing bottle
US-2018290812-A1 · Oct 11, 2018 · US
Mixing and dispensing curable multi-component materials
US-10086345-B2 · Oct 2, 2018 · US
Dual fluid cartridge assembly
US-2018215524-A1 · Aug 2, 2018 · US
Component delivery system utilizing film bags
US-2018169693-A1 · Jun 21, 2018 · US
Device for storing and dispensing a material and method of making such a device
US-9981787-B2 · May 29, 2018 · US
Component delivery system utilizing film bags
US-9968959-B2 · May 15, 2018 · US
Structural polyurethane adhesive
US-9914862-B2 · Mar 13, 2018 · US
Syringe
US-9901419-B2 · Feb 27, 2018 · US
Cartridge and multicomponent cartridge
US-9901946-B2 · Feb 27, 2018 · US
Multi Chamber Delivery System
US-2018022526-A1 · Jan 25, 2018 · US
Bone cement applicator with three-way valve for pressure relief
US-2018021075-A1 · Jan 25, 2018 · US
Dispensing packs comprising compressible foam/fibre inserts
US-2017326579-A1 · Nov 16, 2017 · US
Apparatus and methods for storing and mixing separate substances
US-2017327296-A1 · Nov 16, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B65D81/325?
- CPC B65D81/325 is the Cooperative Patent Classification code for “Containers having parallel or coaxial compartments, provided with a piston or a movable bottom for discharging contents.”
- How many patents are filed under CPC B65D81/325 (Containers having parallel or coaxial compartments, provided with a piston or a movable bottom for discharging contents)?
- Our database includes 148 publications tagged with this CPC code.
- Is patent activity under CPC B65D81/325 growing?
- Publication counts under this code: 14 in 2024 vs 4 in 2025 (latest complete years).