- All sections
- B - Performing operationstransporting
- B24B - Machines, devices, or processes for grinding or polishingdressing or conditioning of abrading surfacesfeeding of grinding, polishing, or lapping agents
- B24B 5/50 - Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfacesAccessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground, e.g. strings
Patent holdings for IPC class B24B 5/50
Total number of patents in this class: 21
10-year publication summary
3
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2
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1
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2
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1
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0
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0
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1
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2
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3
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2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Shin-Etsu Chemical Co., Ltd. | 5687 |
2 |
NGK Insulators, Ltd. | 5046 |
2 |
Sintokogio, Ltd. | 1160 |
2 |
Compagnie Generale des Etablissements Michelin | 4761 |
2 |
FUJIFILM Corporation | 29586 |
1 |
Compagnie générale des établissements Michelin SCA | 2576 |
1 |
Disco Corporation | 1871 |
1 |
Fujian Jiamei Group Corporation | 14 |
1 |
Globalwafers Co., Ltd. | 648 |
1 |
Matuschek Messtechnik GmbH | 13 |
1 |
Nivarox-FAR S.A. | 281 |
1 |
Sumco Corporation | 1115 |
1 |
Apko Technology, Inc. | 1 |
1 |
Corner Star Limited | 95 |
1 |
Qingdao Gaoce Technology Co., Ltd. | 51 |
1 |
Drychemicals Co., Ltd. | 9 |
1 |
Success Co., Ltd. | 9 |
1 |
Other owners | 0 |