Syringe assembly
US-10806671-B2 · Oct 20, 2020 · US
connected to external reservoirs for multiple refilling
connected to external reservoirs for multiple refilling · 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 | A61M5/204 |
| Official title | {connected to external reservoirs for multiple refilling} |
| Display label | connected to external reservoirs for multiple refilling |
| Total patents | 138 |
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 | 12 |
| 2017 | 5 |
| 2018 | 15 |
| 2019 | 12 |
| 2020 | 16 |
| 2021 | 18 |
| 2022 | 6 |
| 2023 | 16 |
| 2024 | 14 |
| 2025 | 5 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Processes for delivery of viscous drug therapies
US-10493205-B2 · Dec 3, 2019 · US
Hand-held injection devices and methods of use
US-10463791-B2 · Nov 5, 2019 · US
Dual chamber and gear pump assembly for a high pressure delivery system
US-2019255250-A1 · Aug 22, 2019 · US
Auto-injector
US-10342925-B2 · Jul 9, 2019 · US
Syringe assembly
US-2019201290-A1 · Jul 4, 2019 · US
Devices for injection and dosing
US-2019201635-A1 · Jul 4, 2019 · US
Dual chamber and gear pump assembly for a high pressure delivery system
US-10314967-B2 · Jun 11, 2019 · US
Multi-stroke delivery pumping mechanism for a drug delivery device for high pressure injections
US-10258749-B2 · Apr 16, 2019 · US
Injection mechanism utilizing a vial
US-2019105441-A1 · Apr 11, 2019 · US
Devices for injection and dosing
US-10226585-B2 · Mar 12, 2019 · US
Mixing pen needle
US-10207054-B2 · Feb 19, 2019 · US
Medical delivery device
US-2019015593-A1 · Jan 17, 2019 · US
Medical delivery device
US-2018369492-A1 · Dec 27, 2018 · US
Medical delivery device
US-2018369493-A1 · Dec 27, 2018 · US
Medical delivery device
US-2018369491-A1 · Dec 27, 2018 · US
Pen injector apparatus
US-10159807-B2 · Dec 25, 2018 · US
Dosing device
US-2018361074-A1 · Dec 20, 2018 · US
Fluid infusion apparatus used for administering medicament to patient
US-2018353676-A1 · Dec 13, 2018 · US
Injection mechanism utilizing a vial
US-10143797-B2 · Dec 4, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC A61M5/204?
- CPC A61M5/204 is the Cooperative Patent Classification code for “connected to external reservoirs for multiple refilling.”
- How many patents are filed under CPC A61M5/204 (connected to external reservoirs for multiple refilling)?
- Our database includes 138 publications tagged with this CPC code.
- Is patent activity under CPC A61M5/204 growing?
- Publication counts under this code: 14 in 2024 vs 5 in 2025 (latest complete years).