Protective cover
US-12485413-B2 · Dec 2, 2025 · US
Capillaries; Sponges
Capillaries; Sponges · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01N2001/149 |
| Official title | {Capillaries; Sponges} |
| Display label | Capillaries; Sponges |
| Total patents | 52 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 3 |
| 2017 | 3 |
| 2018 | 5 |
| 2019 | 5 |
| 2020 | 7 |
| 2021 | 6 |
| 2022 | 5 |
| 2023 | 3 |
| 2024 | 6 |
| 2025 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Collector for collecting a liquid sample
US-2025334488-A1 · Oct 30, 2025 · US
Devices and methods for extraction of analytes
US-2025093243-A1 · Mar 20, 2025 · US
Magnetic based sampler system for water contaminants
US-2025076161-A1 · Mar 6, 2025 · US
Method of manufacturing a tear flow measurement device
US-12239374-B2 · Mar 4, 2025 · US
Capillary tube holder for autosampler
US-12208396-B2 · Jan 28, 2025 · US
Sample collection and dispensing device
US-12168225-B2 · Dec 17, 2024 · US
Devices and methods for extraction of analytes
US-12158403-B2 · Dec 3, 2024 · US
Systems and methods for sampling
US-2024175787-A1 · May 30, 2024 · US
Protective cover
US-2024139729-A1 · May 2, 2024 · US
Devices and methods for extraction of analytes
US-2024118179-A1 · Apr 11, 2024 · US
Replaceable fluid sampling cartridge for capturing a fluid sample in a fluid sampling system
US-2024091761-A1 · Mar 21, 2024 · US
Syntactic foams as mechanically-triggered capture vehicles
US-11828685-B2 · Nov 28, 2023 · US
Method of Manufacturing a Tear Flow Measurement Device
US-2023337906-A1 · Oct 26, 2023 · US
Tear flow measurement device
US-11730358-B2 · Aug 22, 2023 · US
Method and device for transferring nanoparticle monolayer by using capillary tube
US-11499893-B2 · Nov 15, 2022 · US
Specimen collection tip, specimen preparation container and specimen preparation kit
US-11448571-B2 · Sep 20, 2022 · US
Contact lens and detection method
US-11442291-B2 · Sep 13, 2022 · US
Process and device for vaporizing purge liquid from a cryogenic liquid vaporizer
US-2022163432-A1 · May 26, 2022 · US
Sample collection and dispensing device
US-2022016617-A1 · Jan 20, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01N2001/149?
- CPC G01N2001/149 is the Cooperative Patent Classification code for “Capillaries; Sponges.”
- How many patents are filed under CPC G01N2001/149 (Capillaries; Sponges)?
- Our database includes 52 publications tagged with this CPC code.
- Is patent activity under CPC G01N2001/149 growing?
- Publication counts under this code: 6 in 2024 vs 6 in 2025 (latest complete years).