- 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: 1852
10-year publication summary
140
|
167
|
161
|
185
|
197
|
154
|
137
|
148
|
113
|
41
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Satake Corporation | 284 |
59 |
Halliburton Energy Services, Inc. | 20165 |
58 |
CKD Corporation | 424 |
23 |
Ecolab USA Inc. | 5190 |
18 |
Schlumberger Technology Corporation | 9690 |
16 |
Siemens AG | 24990 |
15 |
Tokyo Electron Limited | 11599 |
13 |
LaMotte Chemical Products Company | 31 |
13 |
Omni Medsci, Inc. | 27 |
12 |
TOMRA Sorting GmbH | 31 |
12 |
Robert Bosch GmbH | 40953 |
11 |
Endress + Hauser Conducta GmbH + Co. KG | 292 |
11 |
Hach Lange GmbH | 137 |
10 |
Baker Hughes Oilfield Operations, LLC | 1885 |
10 |
Honeywell International Inc. | 13799 |
9 |
Deere & Company | 6845 |
9 |
Ackley Machine Corporation | 43 |
9 |
Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6132 |
9 |
FUJIFILM Corporation | 27102 |
8 |
Monsanto Technology LLC | 7905 |
8 |
Other owners | 1519 |