- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 33/18 - Water
Patent holdings for IPC class G01N 33/18
Total number of patents in this class: 3460
10-year publication summary
|
246
|
279
|
270
|
290
|
292
|
323
|
256
|
320
|
284
|
155
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hach Company | 427 |
107 |
| Saudi Arabian Oil Company | 14110 |
77 |
| Ecolab USA Inc. | 5795 |
61 |
| Hach Lange GmbH | 159 |
52 |
| Kurita Water Industries Ltd. | 1276 |
37 |
| Shimadzu Corporation | 6320 |
31 |
| Endress + Hauser Conducta GmbH + Co. KG | 365 |
26 |
| Organo Corporation | 537 |
26 |
| BL Technologies, Inc. | 843 |
23 |
| Kemira Oyj | 1257 |
22 |
| Horiba Advanced Techno, Co., Ltd. | 121 |
21 |
| Centre National de La Recherche Scientifique | 10976 |
18 |
| Aramco Services Company | 4174 |
18 |
| In-Situ, Inc. | 86 |
16 |
| LaMotte Chemical Products Company | 33 |
16 |
| OndaVia, Inc. | 29 |
15 |
| Battelle Memorial Institute | 2598 |
14 |
| ChemTreat, Inc. | 279 |
14 |
| Mueller International, LLC | 744 |
14 |
| Schlumberger Technology Corporation | 11679 |
13 |
| Other owners | 2839 |