- All sections
- A - Human necessities
- A63B - Apparatus for physical training, gymnastics, swimming, climbing, or fencingball gamestraining equipment
- A63B 51/12 - Devices arranged in or on the racket for adjusting the tension of the strings
Patent holdings for IPC class A63B 51/12
Total number of patents in this class: 8
10-year publication summary
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1
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0
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0
|
1
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0
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1
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1
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0
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0
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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
|
|---|---|---|
| Nike, Inc. | 14545 |
1 |
| Nike International Ltd. | 692 |
1 |
| Head Technology GmbH | 281 |
1 |
| Mizuno Corporation | 922 |
1 |
| Revolutionary Tennis Innovations, LLC | 1 |
1 |
| Stringadvantage Tennis, LLC | 1 |
1 |
| String Pro Systems, LLC | 1 |
1 |
| Elevating Sports B.V. | 2 |
1 |
| Other owners | 0 |