- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 9/32 - Investigating density or specific gravity of materialsAnalysing materials by determining density or specific gravity by using flow properties of fluids, e.g. flow through tubes or apertures
Patent holdings for IPC class G01N 9/32
Total number of patents in this class: 129
10-year publication summary
|
5
|
7
|
5
|
7
|
13
|
17
|
13
|
17
|
10
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Endress + Hauser Flowtec AG | 626 |
18 |
| Halliburton Energy Services, Inc. | 21309 |
8 |
| Micro Motion, Inc. | 1022 |
6 |
| Endress+Hauser Flowtec AG | 832 |
5 |
| Saudi Arabian Oil Company | 14305 |
5 |
| Corvera LLC | 27 |
5 |
| Schlumberger Technology Corporation | 11879 |
4 |
| Precision Planting LLC | 1199 |
4 |
| Hamilton Sundstrand Corporation | 5014 |
3 |
| Lam Research Corporation | 5655 |
2 |
| Dow Global Technologies LLC | 10994 |
2 |
| Berkin B.V. | 97 |
2 |
| Canada Pipeline Accessories, Co. Ltd. | 88 |
2 |
| Flowserve Management Company | 194 |
2 |
| IDEXX Laboratories, Inc. | 908 |
2 |
| Measurement Technology Group, Inc. | 4 |
2 |
| Mezurx Pty Ltd | 7 |
2 |
| National University of Singapore | 2595 |
2 |
| WIKA Alexander Wiegand SE & Co. KG | 241 |
2 |
| Red Meters LLC | 6 |
2 |
| Other owners | 49 |