- All sections
- B - Performing operationstransporting
- B28D - Working stone or stone-like materials
- B28D 1/16 - Working stone or stone-like materials, e.g. brick, concrete, not provided for elsewhereMachines, devices, tools therefor by turning
Patent holdings for IPC class B28D 1/16
Total number of patents in this class: 5
10-year publication summary
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0
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1
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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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0
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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
|
|---|---|---|
| Hitachi Metals, Ltd. | 1982 |
1 |
| Lam Research Corporation | 5239 |
1 |
| Essilor International (compagnie Generale D'optique) | 2993 |
1 |
| Husqvarna AB | 2911 |
1 |
| Baoshan Longi Silicon Materials Co., Ltd. | 5 |
1 |
| Other owners | 0 |