- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 21/952 - Inspecting the exterior surface of cylindrical bodies or wires
Patent holdings for IPC class G01N 21/952
Total number of patents in this class: 499
10-year publication summary
|
40
|
48
|
36
|
54
|
36
|
35
|
41
|
40
|
42
|
14
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Energy Solution, Ltd. | 17861 |
13 |
| Philip Morris Products S.A. | 8025 |
9 |
| GII Acquisition, LLC | 38 |
9 |
| Corning Incorporated | 10431 |
8 |
| Pirelli Tyre S.p.A. | 1938 |
8 |
| Altria Client Services LLC | 2369 |
7 |
| Nippon Steel Corporation | 6738 |
7 |
| Saudi Arabian Oil Company | 13949 |
7 |
| Mitsubishi Electric Corporation | 47683 |
6 |
| Getac Technology Corporation | 782 |
6 |
| Nexans | 634 |
6 |
| 3m Innovative Properties Company | 17507 |
5 |
| The Boeing Company | 20094 |
5 |
| Connected Intelligence Systems Ltd. | 45 |
5 |
| Hitachi Astemo, Ltd. | 6409 |
5 |
| Sumitomo Electric Industries, Ltd. | 16145 |
4 |
| Aramco Services Company | 4162 |
4 |
| Georg Fischer Rohrleitungssysteme AG | 129 |
4 |
| Japan Tobacco Inc. | 3507 |
4 |
| JFE Steel Corporation | 7378 |
4 |
| Other owners | 373 |