Microdroplet/bubble generation device
US-12589372-B2 · Mar 31, 2026 · US
Micropipets, dropformers
Micropipets, dropformers · 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 | B81B2201/057 |
| Official title | Micropipets, dropformers |
| Display label | Micropipets, dropformers |
| Total patents | 31 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2017 | 2 |
| 2018 | 2 |
| 2019 | 1 |
| 2020 | 4 |
| 2021 | 4 |
| 2022 | 10 |
| 2023 | 3 |
| 2024 | 2 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Microfluidic chip
US-12390809-B2 · Aug 19, 2025 · US
Photoactivated selective release (PHASR) of droplets from microwell arrays
US-12377415-B2 · Aug 5, 2025 · US
Microfluidic chip and fabrication method
US-12134097-B2 · Nov 5, 2024 · US
Electrical component
US-11957059-B2 · Apr 9, 2024 · US
Microfluidic device with integrated micro-structured electrodes and methods thereof
US-11707738-B2 · Jul 25, 2023 · US
Microfluidic chip and fabrication method
US-2023211345-A1 · Jul 6, 2023 · US
Microdroplet/bubble generation device
US-2023142172-A1 · May 11, 2023 · US
Microfluidic device, method of using microfluidic device and micro total analysis system
US-11534762-B2 · Dec 27, 2022 · US
Modular 3-D printed devices for sample delivery and method
US-11485632-B2 · Nov 1, 2022 · US
Microfluidic chip and microfluidic device
US-11478790-B2 · Oct 25, 2022 · US
Microfluidic chip
US-2022314217-A1 · Oct 6, 2022 · US
Micro-fluidic chip, library preparation chip and method for controlling and driving droplet
US-2022314216-A1 · Oct 6, 2022 · US
Digital microfluidics device with droplet processing components
US-2022250077-A1 · Aug 11, 2022 · US
Photoactivated Selective Release (PHASR) of Droplets from Microwell Arrays
US-2022203370-A1 · Jun 30, 2022 · US
Planarization layers over silicon dies
US-11364493-B2 · Jun 21, 2022 · US
Micro-fluidic chip, liquid loading method thereof and micro-fluidic system
US-2022126287-A1 · Apr 28, 2022 · US
Electrical component
US-2022006000-A1 · Jan 6, 2022 · US
Microfluidic device and sample analysis method
US-11097269-B2 · Aug 24, 2021 · US
Nano-patterned surfaces for microfluidic devices and methods for manufacturing the same
US-2021213448-A1 · Jul 15, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B81B2201/057?
- CPC B81B2201/057 is the Cooperative Patent Classification code for “Micropipets, dropformers.”
- How many patents are filed under CPC B81B2201/057 (Micropipets, dropformers)?
- Our database includes 31 publications tagged with this CPC code.
- Is patent activity under CPC B81B2201/057 growing?
- Publication counts under this code: 2 in 2024 vs 2 in 2025 (latest complete years).