- All sections
- G - Physics
- G10D - Stringed musical instrumentswind musical instrumentsaccordions or concertinaspercussion musical instrumentsaeolian harps singing-flame musical instrumentsmusical instruments not otherwise provided for
- G10D 9/047 - ValvesValve controls for wood wind instruments
Patent holdings for IPC class G10D 9/047
Total number of patents in this class: 6
10-year publication summary
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0
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0
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0
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0
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1
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0
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4
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4
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5
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0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Yamaha Corporation | 4071 |
1 |
| Conn-Selmer, Inc. | 119 |
1 |
| Eastman Music Company | 29 |
1 |
| Key Leaves Inc., DBA Key Leaves | 11 |
1 |
| Dorian Corporation | 2 |
1 |
| Chris Apps Reeds LLC | 1 |
1 |
| Other owners | 0 |