- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 31/16 - Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroupsApparatus specially adapted for such methods using titration
Patent holdings for IPC class G01N 31/16
Total number of patents in this class: 239
10-year publication summary
|
12
|
9
|
21
|
12
|
19
|
14
|
13
|
19
|
19
|
16
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ecolab USA Inc. | 5842 |
13 |
| Hach Company | 428 |
7 |
| Saudi Arabian Oil Company | 14398 |
7 |
| KLA Corporation | 1891 |
7 |
| Honeywell International Inc. | 12767 |
5 |
| Xi'an Thermal Power Research Institute Co., Ltd. | 458 |
5 |
| Mitsubishi Heavy Industries, Ltd. | 9252 |
4 |
| Endress + Hauser Conducta GmbH + Co. KG | 366 |
4 |
| Mettler-Toledo GmbH | 534 |
4 |
| Regeneron Pharmaceuticals, Inc. | 4873 |
4 |
| Solstice Advanced Materials US, Inc. | 1009 |
4 |
| Amgen Inc. | 4483 |
3 |
| Hewlett-Packard Development Company, L.P. | 25118 |
3 |
| Chevron U.S.A. Inc. | 4180 |
3 |
| Dexsil Corporation | 23 |
3 |
| Gebrüder Heyl Analysentechnik; GmbH & Co. KG, Limited Company | 21 |
3 |
| Guangdong Brunp Recycling Technology Co., Ltd | 1273 |
3 |
| Hunan Brunp Recycling Technology Co., Ltd. | 1227 |
3 |
| Acetate International LLC | 64 |
3 |
| Schlumberger Technology Corporation | 11981 |
2 |
| Other owners | 149 |