Multichannel pipetting device
US-12546796-B2 · Feb 10, 2026 · US
having several coaxial pistons
having several coaxial pistons · 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 | B01L3/0231 |
| Official title | {having several coaxial pistons} |
| Display label | having several coaxial pistons |
| Total patents | 51 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 2 |
| 2017 | 3 |
| 2018 | 4 |
| 2019 | 7 |
| 2021 | 3 |
| 2022 | 11 |
| 2023 | 7 |
| 2024 | 7 |
| 2025 | 3 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Multifunctional pipette set and automatic detection machine
US-2026021482-A1 · Jan 22, 2026 · US
Syringe-based fluid diversion mechanism for bodily fluid sampling
US-12502109-B2 · Dec 23, 2025 · US
Bodily-fluid transfer system for bodily fluid sampling
US-2025235133-A1 · Jul 24, 2025 · US
Multichannel pipetting head
US-2025073698-A1 · Mar 6, 2025 · US
Displacement device and method for displacing fluid volumes
US-12070743-B2 · Aug 27, 2024 · US
Locking device, pipetting tool, and associated method, accessory and installation
US-2024226871-A9 · Jul 11, 2024 · US
Multifunctional pipette and automatic detection machine
US-2024207835-A1 · Jun 27, 2024 · US
Locking device, pipetting tool, and associated method, accessory and installation
US-2024131505-A1 · Apr 25, 2024 · US
Systems and methods for dispensing liquids
US-2024123441-A1 · Apr 18, 2024 · US
Syringe-based fluid diversion mechanism for bodily fluid sampling
US-2024041370-A1 · Feb 8, 2024 · US
Automated pipetting equipment, multi-channel pipetting assembly, and pipetting structure
US-11890612-B2 · Feb 6, 2024 · US
Pipetting apparatus and methods
US-2023364600-A1 · Nov 16, 2023 · US
Pipetting apparatus and methods
US-2023366904-A1 · Nov 16, 2023 · US
Syringe-based fluid diversion mechanism for bodily fluid sampling
US-11660030-B2 · May 30, 2023 · US
Bodily-fluid transfer system for bodily fluid sampling
US-11607159-B2 · Mar 21, 2023 · US
Syringe-based fluid diversion mechanism for bodily fluid sampling
US-11589786-B2 · Feb 28, 2023 · US
Method and system for magnetic extraction of components in a liquid sample
US-11584926-B2 · Feb 21, 2023 · US
Method and system for magnetic extraction of components in a liquid sample
US-11572553-B2 · Feb 7, 2023 · US
Dispensing cylinder, and dispensing device and dispensing treatment method using same
US-11491478-B2 · Nov 8, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01L3/0231?
- CPC B01L3/0231 is the Cooperative Patent Classification code for “having several coaxial pistons.”
- How many patents are filed under CPC B01L3/0231 (having several coaxial pistons)?
- Our database includes 51 publications tagged with this CPC code.
- Is patent activity under CPC B01L3/0231 growing?
- Publication counts under this code: 7 in 2024 vs 3 in 2025 (latest complete years).