Isolation tube
US-2022401946-A1 · Dec 22, 2022 · US
by impregnation, e.g. using swabs or loops (fluid transport using swabs B01L3/5029)
by impregnation, e.g. using swabs or loops (fluid transport using swabs B01L3/5029) · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C12M33/02 |
| Official title | {by impregnation, e.g. using swabs or loops (fluid transport using swabs B01L3/5029)} |
| Display label | by impregnation, e.g. using swabs or loops (fluid transport using swabs B01L3/5029) |
| Total patents | 80 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 6 |
| 2017 | 3 |
| 2018 | 6 |
| 2019 | 9 |
| 2020 | 7 |
| 2021 | 8 |
| 2022 | 13 |
| 2023 | 3 |
| 2024 | 10 |
| 2025 | 5 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Biological agent specimen collection and growth system
US-11517903-B2 · Dec 6, 2022 · US
Isolation tube
US-2022371003-A1 · Nov 24, 2022 · US
Method and system for locating a bacterial colony on a culture plate
US-2022325225-A1 · Oct 13, 2022 · US
Isolation tube with an endcap
US-11440000-B2 · Sep 13, 2022 · US
Microbial detection devices including adhesive masked nutrients and methods of using the same
US-11408023-B2 · Aug 9, 2022 · US
Isolation tube
US-11383231-B2 · Jul 12, 2022 · US
Isolation tube
US-2022193656-A1 · Jun 23, 2022 · US
Method to detect and enumerate microorganisms
US-2022177944-A1 · Jun 9, 2022 · US
Centrifugally separating samples in a container having a seal and containing a plunger for opening the seal
US-11325117-B2 · May 10, 2022 · US
Isolation tube with a rheological control member and a plunger
US-11305273-B2 · Apr 19, 2022 · US
Surface detection and picktool manipulator
US-2022098542-A1 · Mar 31, 2022 · US
Isolation tube
US-2021370284-A1 · Dec 2, 2021 · US
Methods and apparatus for handling microbial samples
US-11186861-B2 · Nov 30, 2021 · US
Biological agent specimen collection and growth system
US-2021331155-A1 · Oct 28, 2021 · US
Surface detection and picktool manipulator
US-11136544-B2 · Oct 5, 2021 · US
Isolation tube
US-11090646-B2 · Aug 17, 2021 · US
Non-invasive methods for skin sample collection and analysis
US-2021204919-A1 · Jul 8, 2021 · US
Cell sorting system
US-2021180004-A1 · Jun 17, 2021 · US
Endoswab for sampling and culture in minimally invasive surgery
US-10912539-B2 · Feb 9, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C12M33/02?
- CPC C12M33/02 is the Cooperative Patent Classification code for “by impregnation, e.g. using swabs or loops (fluid transport using swabs B01L3/5029).”
- How many patents are filed under CPC C12M33/02 (by impregnation, e.g. using swabs or loops (fluid transport using swabs B01L3/5029))?
- Our database includes 80 publications tagged with this CPC code.
- Is patent activity under CPC C12M33/02 growing?
- Publication counts under this code: 10 in 2024 vs 5 in 2025 (latest complete years).