Method and device for the provision of a sample
US-12366562-B2 · Jul 22, 2025 · US
Application of the sample
Application of the sample · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01N30/91 |
| Official title | Application of the sample |
| Display label | Application of the sample |
| Total patents | 30 |
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 | 2 |
| 2016 | 3 |
| 2017 | 2 |
| 2018 | 4 |
| 2019 | 2 |
| 2020 | 5 |
| 2021 | 4 |
| 2022 | 2 |
| 2023 | 3 |
| 2024 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for detecting aldehydes or ketones
US-12090479-B2 · Sep 17, 2024 · US
Ion generation using modified wetted porous materials
US-11913924-B2 · Feb 27, 2024 · US
Ion generation using modified wetted porous materials
US-2023341360-A1 · Oct 26, 2023 · US
Ion generation using modified wetted porous materials
US-11635415-B2 · Apr 25, 2023 · US
Method for detecting aldehyde and ketone by using thin layer chromatography
US-11604176-B2 · Mar 14, 2023 · US
Microtube
US-2022065830-A1 · Mar 3, 2022 · US
Ion generation using modified wetted porous materials
US-2022028674-A1 · Jan 27, 2022 · US
Microtube
US-11199527-B2 · Dec 14, 2021 · US
Test device
US-11154856-B2 · Oct 26, 2021 · US
Method for detecting aldehydes or ketones
US-2021308670-A1 · Oct 7, 2021 · US
Ion generation using modified wetted porous materials
US-11119081-B2 · Sep 14, 2021 · US
Method for Detecting Aldehyde and Ketone By Using Thin Layer Chromatography
US-2020355656-A1 · Nov 12, 2020 · US
Ion generation using modified wetted porous materials
US-2020340962-A1 · Oct 29, 2020 · US
Ion generation using modified wetted porous materials
US-10732159-B2 · Aug 4, 2020 · US
Method and device for the provision of a sample
US-2020200722-A1 · Jun 25, 2020 · US
Microtube
US-2020025731-A1 · Jan 23, 2020 · US
Test device
US-2019168209-A1 · Jun 6, 2019 · US
Thin layer chromatography plate and sample analysis method using same
US-2019170713-A1 · Jun 6, 2019 · US
Ion generation using modified wetted porous materials
US-2018372699-A1 · Dec 27, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01N30/91?
- CPC G01N30/91 is the Cooperative Patent Classification code for “Application of the sample.”
- How many patents are filed under CPC G01N30/91 (Application of the sample)?
- Our database includes 30 publications tagged with this CPC code.
- Is patent activity under CPC G01N30/91 growing?
- Publication counts under this code: 2 in 2024 vs 1 in 2025 (latest complete years).