- 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: 668
10-year publication summary
|
46
|
50
|
47
|
56
|
65
|
62
|
43
|
34
|
36
|
36
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Waters Technologies Corporation | 1799 |
93 |
| Agilent Technologies, Inc. | 2640 |
81 |
| Shimadzu Corporation | 6370 |
66 |
| Dionex Softron GmbH | 131 |
33 |
| IDEX Health & Science LLC | 201 |
21 |
| Cytiva Sweden AB | 791 |
20 |
| Elemental Scientific, Inc. | 294 |
17 |
| GE Healthcare Bio-Sciences AB | 508 |
16 |
| Mecanique Analytique Inc. | 38 |
10 |
| Rosemount Inc. | 1139 |
8 |
| APN Inc. | 23 |
7 |
| Thermo Finnigan LLC | 644 |
6 |
| ARKRAY, Inc. | 857 |
6 |
| Korea University Research and Business Foundation | 3290 |
6 |
| Nuctech Company Limited | 1478 |
6 |
| National Technology & Engineering Solutions of Sandia, LLC | 1957 |
6 |
| Know Biological, Inc. | 8 |
6 |
| Hoffmann-La Roche Inc. | 3825 |
5 |
| Trajan Scientific Australia Pty Ltd | 37 |
5 |
| Supercritical Fluid Technologies, Inc. | 19 |
5 |
| Other owners | 245 |