- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 3/22 - Investigating strength properties of solid materials by application of mechanical stress by applying steady torsional forces
Patent holdings for IPC class G01N 3/22
Total number of patents in this class: 125
10-year publication summary
|
9
|
5
|
16
|
14
|
10
|
13
|
6
|
15
|
7
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Illinois Tool Works Inc. | 11742 |
7 |
| Kokusai Keisokuki Kabushiki Kaisha | 99 |
7 |
| Wilson Sporting Goods Co. | 807 |
6 |
| Stress Engineering Services, Inc. | 85 |
5 |
| Shandong University of Science and Technology | 539 |
4 |
| Siemens AG | 24199 |
2 |
| The Boeing Company | 20094 |
2 |
| Tokyo Electron Limited | 13553 |
2 |
| AO Technology AG | 103 |
2 |
| Fukuoka University | 129 |
2 |
| Jilin University | 290 |
2 |
| Liebherr-components Biberach GmbH | 224 |
2 |
| The Regents of the University of Colorado, a body corporate | 2774 |
2 |
| Research & Business Foundation Sungkyunkwan University | 2104 |
2 |
| Southwest Petroleum University | 507 |
2 |
| Textron Innovations Inc. | 2401 |
2 |
| Tianjin University | 871 |
2 |
| Waters Technologies Corporation | 1778 |
2 |
| The Gillette Company LLC | 2562 |
2 |
| Nabrawind Technologies SL | 51 |
2 |
| Other owners | 66 |