- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 21/85 - Investigating moving fluids or granular solids
Patent holdings for IPC class G01N 21/85
Total number of patents in this class: 2023
10-year publication summary
|
161
|
150
|
176
|
191
|
143
|
126
|
146
|
119
|
134
|
111
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Satake Corporation | 286 |
65 |
| Halliburton Energy Services, Inc. | 21015 |
59 |
| CKD Corporation | 457 |
27 |
| Omni Medsci, Inc. | 37 |
23 |
| Ecolab USA Inc. | 5578 |
20 |
| TOMRA Sorting GmbH | 65 |
19 |
| Schlumberger Technology Corporation | 11013 |
18 |
| Siemens AG | 24342 |
15 |
| Tokyo Electron Limited | 13083 |
15 |
| Saudi Arabian Oil Company | 13600 |
15 |
| Robert Bosch GmbH | 43001 |
14 |
| LaMotte Chemical Products Company | 33 |
14 |
| Endress + Hauser Conducta GmbH + Co. KG | 347 |
13 |
| Hach Lange GmbH | 153 |
13 |
| Baker Hughes Oilfield Operations, LLC | 2378 |
12 |
| Yokogawa Electric Corporation | 1817 |
10 |
| Deere & Company | 7741 |
9 |
| Monsanto Technology LLC | 8266 |
9 |
| R-V Industries, Inc. | 44 |
9 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6124 |
9 |
| Other owners | 1635 |