- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 13/02 - Investigating surface tension of liquids
Patent holdings for IPC class G01N 13/02
Total number of patents in this class: 317
10-year publication summary
|
23
|
28
|
22
|
28
|
26
|
22
|
28
|
11
|
20
|
9
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saudi Arabian Oil Company | 14248 |
31 |
| Schlumberger Technology Corporation | 11820 |
10 |
| Aramco Services Company | 4196 |
9 |
| Ecolab USA Inc. | 5803 |
7 |
| Halliburton Energy Services, Inc. | 21320 |
6 |
| JFE Steel Corporation | 7549 |
6 |
| Apoha Limited | 22 |
6 |
| University of Florida Research Foundation, Inc. | 4179 |
5 |
| Cornell University | 3426 |
4 |
| Tecan Trading AG | 358 |
4 |
| The Regents of the University of California | 20778 |
3 |
| The Boeing Company | 20163 |
3 |
| Centre National de La Recherche Scientifique | 11026 |
3 |
| ExxonMobil Chemical Patents Inc. | 3776 |
3 |
| Rhodia Operations | 1491 |
3 |
| Wuhan University of Technology | 214 |
3 |
| Brighton Technologies LLC | 15 |
3 |
| Schlumberger Canada Limited | 7601 |
2 |
| Schlumberger Technology B.v. | 5295 |
2 |
| Purdue Research Foundation | 3921 |
2 |
| Other owners | 202 |