- 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: 288
10-year publication summary
|
26
|
16
|
23
|
28
|
22
|
28
|
24
|
21
|
26
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saudi Arabian Oil Company | 11322 |
30 |
| Aramco Services Company | 3504 |
9 |
| Schlumberger Technology Corporation | 9690 |
8 |
| Halliburton Energy Services, Inc. | 20165 |
6 |
| JFE Steel Corporation | 6067 |
6 |
| University of Florida Research Foundation, Inc. | 3883 |
4 |
| Cornell University | 3036 |
4 |
| The Regents of the University of California | 18943 |
3 |
| The Boeing Company | 19843 |
3 |
| Centre National de La Recherche Scientifique | 9632 |
3 |
| ExxonMobil Chemical Patents Inc. | 4286 |
3 |
| Ecolab USA Inc. | 5190 |
3 |
| Rhodia Operations | 1645 |
3 |
| SITA Messtechnik GmbH | 14 |
3 |
| Wuhan University of Technology | 159 |
3 |
| Schlumberger Canada Limited | 6913 |
2 |
| Schlumberger Technology B.v. | 4951 |
2 |
| Siemens AG | 24990 |
2 |
| Wisconsin Alumni Research Foundation | 3774 |
2 |
| Purdue Research Foundation | 3277 |
2 |
| Other owners | 187 |