- 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: 56
10-year publication summary
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4
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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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1
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ebara Corporation | 2139 |
20 |
| Columbia Insurance Company | 1503 |
3 |
| sia Abrasives Industries AG | 36 |
3 |
| Robert Bosch GmbH | 42411 |
2 |
| Costa Levigatrici SpA | 5 |
2 |
| E.m.c. S.r.l. | 3 |
2 |
| HOMAG Bohrsysteme GmbH | 40 |
2 |
| Infinititech Srl | 2 |
2 |
| Honda Motor Co., Ltd. | 25127 |
1 |
| Applied Materials, Inc. | 18383 |
1 |
| Corning Incorporated | 10232 |
1 |
| Biesse S.p.A. | 60 |
1 |
| BMC S.r.l. | 46 |
1 |
| Buetfering Schleiftechnik GmbH | 1 |
1 |
| Darex, LLC | 158 |
1 |
| Karl Heesemann Maschinenfabrik GmbH & Co. KG | 18 |
1 |
| Kundig AG | 10 |
1 |
| Lissmac Maschinenbau GmbH | 20 |
1 |
| Saint-Gobain Abrasifs | 649 |
1 |
| Saint-Gobain Abrasives, Inc. | 888 |
1 |
| Other owners | 8 |