- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 3/52 - Investigating hardness or rebound hardness by measuring extent of rebound of a striking body
Patent holdings for IPC class G01N 3/52
Total number of patents in this class: 23
10-year publication summary
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1
|
1
|
1
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3
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5
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2
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0
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0
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3
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0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dongguan City Wonderful Ceramics Industrial Park Co., Ltd. | 22 |
3 |
| Jiangxi Hemei Ceramics Co., Ltd. | 17 |
3 |
| Guangdong Jiamei Ceramics Co., Ltd. | 10 |
3 |
| Saudi Arabian Oil Company | 14235 |
2 |
| Shaw Industries Group, Inc. | 381 |
2 |
| Baker Hughes Incorporated | 4934 |
1 |
| Bridgestone Corporation | 7259 |
1 |
| Bridgestone Sports Co., Ltd. | 509 |
1 |
| Aramco Services Company | 4195 |
1 |
| National Institute for Materials Science | 1085 |
1 |
| Natural Environment Research Council | 13 |
1 |
| Universidad de Castilla-la Mancha | 82 |
1 |
| Yamamoto Scientific Tool Laboratory Co., Ltd. | 1 |
1 |
| Tarkett Sports Canada Inc. | 45 |
1 |
| Carbicrete Inc. | 74 |
1 |
| Other owners | 0 |