- 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 21/08 - Pressure shoesBacking belts
Patent holdings for IPC class B24B 21/08
Total number of patents in this class: 60
10-year publication summary
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3
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5
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7
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6
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3
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6
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3
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6
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4
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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
|
|---|---|---|
| Ebara Corporation | 2262 |
22 |
| Columbia Insurance Company | 1501 |
3 |
| sia Abrasives Industries AG | 33 |
3 |
| Infinititech Srl | 3 |
3 |
| Robert Bosch GmbH | 43385 |
2 |
| Costa Levigatrici SpA | 5 |
2 |
| E.m.c. S.r.l. | 3 |
2 |
| HOMAG Bohrsysteme GmbH | 41 |
2 |
| Honda Motor Co., Ltd. | 25804 |
1 |
| Applied Materials, Inc. | 19849 |
1 |
| Corning Incorporated | 10405 |
1 |
| Biesse S.p.A. | 63 |
1 |
| BMC S.r.l. | 45 |
1 |
| Buetfering Schleiftechnik GmbH | 1 |
1 |
| Darex, LLC | 169 |
1 |
| Karl Heesemann Maschinenfabrik GmbH & Co. KG | 18 |
1 |
| Kundig AG | 10 |
1 |
| Lissmac Maschinenbau GmbH | 20 |
1 |
| Saint-Gobain Abrasifs | 636 |
1 |
| Saint-Gobain Abrasives, Inc. | 873 |
1 |
| Other owners | 9 |