- 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: 304
10-year publication summary
|
16
|
23
|
28
|
22
|
28
|
24
|
22
|
28
|
9
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saudi Arabian Oil Company | 12671 |
31 |
| Schlumberger Technology Corporation | 10372 |
9 |
| Aramco Services Company | 3818 |
9 |
| Halliburton Energy Services, Inc. | 20538 |
6 |
| Ecolab USA Inc. | 5392 |
6 |
| JFE Steel Corporation | 6629 |
6 |
| Apoha Limited | 15 |
6 |
| University of Florida Research Foundation, Inc. | 3971 |
4 |
| Cornell University | 3233 |
4 |
| The Regents of the University of California | 19630 |
3 |
| The Boeing Company | 19975 |
3 |
| Centre National de La Recherche Scientifique | 10174 |
3 |
| ExxonMobil Chemical Patents Inc. | 4089 |
3 |
| Rhodia Operations | 1591 |
3 |
| SITA Messtechnik GmbH | 14 |
3 |
| Tecan Trading AG | 328 |
3 |
| Wuhan University of Technology | 178 |
3 |
| Brighton Technologies LLC | 16 |
3 |
| Schlumberger Canada Limited | 7185 |
2 |
| Schlumberger Technology B.v. | 5090 |
2 |
| Other owners | 192 |