- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 17/02 - Electrochemical measuring systems for weathering, corrosion or corrosion-protection measurement
Patent holdings for IPC class G01N 17/02
Total number of patents in this class: 571
10-year publication summary
|
33
|
46
|
45
|
45
|
60
|
34
|
51
|
56
|
54
|
18
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saudi Arabian Oil Company | 14207 |
27 |
| Nippon Telegraph and Telephone Corporation | 15922 |
19 |
| Mazda Motor Corporation | 3296 |
15 |
| Halliburton Energy Services, Inc. | 21320 |
11 |
| The Boeing Company | 20160 |
10 |
| Aramco Services Company | 4188 |
8 |
| Mitsubishi Electric Corporation | 47971 |
7 |
| Chevron U.S.A. Inc. | 4134 |
7 |
| The Texas a & M University System | 1868 |
7 |
| Ecolab USA Inc. | 5792 |
6 |
| Giatec Scientific Inc. | 46 |
6 |
| Hempel A/S | 280 |
6 |
| Centre National de La Recherche Scientifique | 11016 |
5 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11127 |
5 |
| JFE Steel Corporation | 7508 |
5 |
| Marathon Petroleum Company LP | 410 |
5 |
| Rosen IP AG | 55 |
5 |
| China University of Petroleum (East China) | 417 |
4 |
| ConocoPhillips Company | 1708 |
4 |
| Geobrugg AG | 107 |
4 |
| Other owners | 405 |