Devices and methods for overfilling drug containers
US-2026014319-A1 · Jan 15, 2026 · US
closed by a stopper
closed by a stopper · 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 | B65B31/027 |
| Official title | {closed by a stopper} |
| Display label | closed by a stopper |
| Total patents | 34 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2018 | 2 |
| 2020 | 3 |
| 2021 | 2 |
| 2022 | 5 |
| 2023 | 4 |
| 2024 | 5 |
| 2025 | 5 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Predicting Machine Parameters to Achieve Target Syringe Plunger Depth Placement
US-2025382080-A1 · Dec 18, 2025 · US
Apparatus and method for vacuum sealing pharmaceuticals into containers
US-2025376281-A1 · Dec 11, 2025 · US
Apparatus for filling vials with gas and related methods thereof
US-2025333285-A1 · Oct 30, 2025 · US
Devices and methods for overfilling drug containers
US-12440622-B2 · Oct 14, 2025 · US
Stopper placement in a syringe
US-2025009976-A1 · Jan 9, 2025 · US
Neurotoxin prefilled vial
US-12171717-B2 · Dec 24, 2024 · US
Devices and methods for overfilling drug containers
US-2024207516-A1 · Jun 27, 2024 · US
Device for vacuum stoppering a medical container
US-11939099-B2 · Mar 26, 2024 · US
Devices and methods for overfilling drug containers
US-11918785-B2 · Mar 5, 2024 · US
Device for dispensing a fluid product, and method for filling and for plugging same
US-11890625-B2 · Feb 6, 2024 · US
Devices and methods for overfilling drug containers
US-2023158237-A1 · May 25, 2023 · US
Vacuum insertion methods for inserting lubricant free syringe stoppers and a system for assembling same
US-2023140221-A1 · May 4, 2023 · US
Device for dispensing a fluid product, and method for filling and for plugging same
US-2023110149-A1 · Apr 13, 2023 · US
Devices and methods for overfilling drug containers
US-11577025-B2 · Feb 14, 2023 · US
Device For Vacuum Stoppering A Medical Container
US-2022363424-A1 · Nov 17, 2022 · US
Device for dispensing a fluid product, and method for filling and for plugging same
US-11478809-B2 · Oct 25, 2022 · US
Device for vacuum stoppering a medical container
US-11434033-B2 · Sep 6, 2022 · US
Machine and method to automatically transport one or more components to make a package from and to one or more working stations
US-2022227008-A1 · Jul 21, 2022 · US
Device for vacuum and vent tube stoppering a medical container
US-11370567-B2 · Jun 28, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B65B31/027?
- CPC B65B31/027 is the Cooperative Patent Classification code for “closed by a stopper.”
- How many patents are filed under CPC B65B31/027 (closed by a stopper)?
- Our database includes 34 publications tagged with this CPC code.
- Is patent activity under CPC B65B31/027 growing?
- Publication counts under this code: 5 in 2024 vs 5 in 2025 (latest complete years).