Primary container assembly with integrated fluid path
US-2022379006-A1 · Dec 1, 2022 · US
using emptying means to expel or eject media, e.g. pistons, deformation of the ampoule, or telescoping of the ampoule
using emptying means to expel or eject media, e.g. pistons, deformation of the ampoule, or telescoping of the ampoule · Cooperative Patent Classification (CPC)
Agriculture, food, personal care, health, and life sciences.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | A61M5/281 |
| Official title | {using emptying means to expel or eject media, e.g. pistons, deformation of the ampoule, or telescoping of the ampoule} |
| Display label | using emptying means to expel or eject media, e.g. pistons, deformation of the ampoule, or telescoping of the ampoule |
| Total patents | 137 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2017 | 4 |
| 2018 | 5 |
| 2019 | 6 |
| 2020 | 17 |
| 2021 | 17 |
| 2022 | 23 |
| 2023 | 19 |
| 2024 | 22 |
| 2025 | 17 |
| 2026 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Liquid medicine administration device and gasket biasing member assembly
US-11497853-B2 · Nov 15, 2022 · US
Botulinum toxin prefilled syringe system
US-2022273884-A1 · Sep 1, 2022 · US
Pre-filled syringe with optimized stopper placement
US-2022193346-A1 · Jun 23, 2022 · US
Pinch Clamp Devices, Methods, and Systems
US-2022193390-A1 · Jun 23, 2022 · US
Self-righting articles
US-2022175681-A1 · Jun 9, 2022 · US
Botulinum toxin prefilled syringe system
US-11331434-B2 · May 17, 2022 · US
Components with high API loading
US-11311489-B2 · Apr 26, 2022 · US
Drug delivery assembly with sensor sampling feature
US-2022023546-A1 · Jan 27, 2022 · US
Relocation module and methods for surgical equipment
US-11219569-B2 · Jan 11, 2022 · US
Pinch clamp devices, methods, and systems
US-11213669-B2 · Jan 4, 2022 · US
Tissue anchoring articles
US-11207272-B2 · Dec 28, 2021 · US
Relocation module and methods for surgical equipment
US-2021361509-A1 · Nov 25, 2021 · US
Relocation module and methods for surgical equipment
US-2021361507-A1 · Nov 25, 2021 · US
Self-righting articles
US-11179341-B2 · Nov 23, 2021 · US
Precision syringe
US-11167091-B2 · Nov 9, 2021 · US
Relocation module and methods for surgical equipment
US-11160710-B1 · Nov 2, 2021 · US
Injection spring for aged prefilled syringe and auto injector
US-2021322679-A1 · Oct 21, 2021 · US
Syringe and connector system
US-11083882-B2 · Aug 10, 2021 · US
Medicament packaging
US-11065388-B2 · Jul 20, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC A61M5/281?
- CPC A61M5/281 is the Cooperative Patent Classification code for “using emptying means to expel or eject media, e.g. pistons, deformation of the ampoule, or telescoping of the ampoule.”
- How many patents are filed under CPC A61M5/281 (using emptying means to expel or eject media, e.g. pistons, deformation of the ampoule, or telescoping of the ampoule)?
- Our database includes 137 publications tagged with this CPC code.
- Is patent activity under CPC A61M5/281 growing?
- Publication counts under this code: 22 in 2024 vs 17 in 2025 (latest complete years).