- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 3/56 - Investigating resistance to wear or abrasion
Patent holdings for IPC class G01N 3/56
Total number of patents in this class: 624
10-year publication summary
|
51
|
53
|
59
|
41
|
43
|
52
|
39
|
46
|
33
|
28
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Yokohama Rubber Co., Ltd. | 4113 |
16 |
| Saudi Arabian Oil Company | 14161 |
11 |
| Caterpillar Inc. | 10269 |
10 |
| International Business Machines Corporation | 62612 |
8 |
| Bridgestone Corporation | 7247 |
8 |
| Wirtgen GmbH | 518 |
8 |
| Siemens Energy, Inc. | 1684 |
7 |
| Shandong University | 1150 |
7 |
| GPCP IP Holdings LLC | 1530 |
7 |
| Aramco Services Company | 4182 |
6 |
| National Technology & Engineering Solutions of Sandia, LLC | 1948 |
6 |
| Halliburton Energy Services, Inc. | 21306 |
5 |
| Columbia Insurance Company | 1471 |
5 |
| The Goodyear Tire & Rubber Company | 2393 |
5 |
| Sumitomo Rubber Industries, Ltd. | 4723 |
5 |
| Metalogenia Research & Technologies S.L. | 114 |
5 |
| Agc, Inc. | 5483 |
5 |
| The Boeing Company | 20153 |
4 |
| Sumitomo Electric Industries, Ltd. | 16303 |
4 |
| OCP S.A. | 85 |
4 |
| Other owners | 488 |