- All sections
- B - Performing operationstransporting
- B21H - Making particular metal objects by rolling, e.g. screws, wheels, rings, barrels, balls
- B21H 3/10 - Making helical bodies or bodies having parts of helical shape twist-drills or screw-taps
Patent holdings for IPC class B21H 3/10
Total number of patents in this class: 12
10-year publication summary
|
2
|
3
|
0
|
0
|
0
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0
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0
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1
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2
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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
|
|---|---|---|
| Hilti Aktiengesellschaft | 3668 |
5 |
| Arno Friedrichs Hartmetall GmbH & Co. KG | 11 |
2 |
| Robert Bosch GmbH | 44160 |
1 |
| Kennametal Inc. | 1354 |
1 |
| Nittan Valve Co., Ltd. | 129 |
1 |
| OSG Corporation | 351 |
1 |
| CMBF Products, Inc. | 17 |
1 |
| Other owners | 0 |