- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 30/20 - Injection using a sampling valve
Patent holdings for IPC class G01N 30/20
Total number of patents in this class: 601
10-year publication summary
|
36
|
46
|
50
|
47
|
56
|
65
|
62
|
38
|
33
|
13
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Waters Technologies Corporation | 1691 |
92 |
| Agilent Technologies, Inc. | 2638 |
75 |
| Shimadzu Corporation | 6119 |
58 |
| Dionex Softron GmbH | 117 |
32 |
| IDEX Health & Science LLC | 206 |
19 |
| Cytiva Sweden AB | 755 |
19 |
| GE Healthcare Bio-Sciences AB | 549 |
16 |
| Elemental Scientific, Inc. | 269 |
14 |
| Mecanique Analytique Inc. | 38 |
10 |
| ARKRAY, Inc. | 880 |
6 |
| Korea University Research and Business Foundation | 2912 |
6 |
| Nuctech Company Limited | 1366 |
6 |
| National Technology & Engineering Solutions of Sandia, LLC | 1885 |
6 |
| Know Biological, Inc. | 8 |
6 |
| APN Inc. | 22 |
6 |
| Hoffmann-La Roche Inc. | 3360 |
5 |
| EnTech Instruments Inc. | 41 |
5 |
| Hitachi High-Tech Corporation | 5211 |
5 |
| Valco Instruments Company, Inc. | 41 |
4 |
| Valco Instruments Company, L.P., Valco Holdings Management, L.L.C., organized in the state of Texas | 36 |
4 |
| Other owners | 207 |