- All sections
- B - Performing operations; transporting
- B24B - Machines, devices, or processes for grinding or polishing; dressing or conditioning of abrading surfaces; feeding of grinding, polishing, or lapping agents
- B24B 21/08 - Pressure shoes; Backing belts
Patent holdings for IPC class B24B 21/08
Total number of patents in this class: 57
10-year publication summary
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3
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4
|
3
|
5
|
7
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6
|
3
|
6
|
3
|
4
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ebara Corporation | 1951 |
18 |
| Columbia Insurance Company | 1569 |
3 |
| sia Abrasives Industries AG | 37 |
3 |
| Robert Bosch GmbH | 40953 |
2 |
| Costa Levigatrici SpA | 5 |
2 |
| Kundig AG | 9 |
2 |
| E.m.c. S.r.l. | 3 |
2 |
| HOMAG Bohrsysteme GmbH | 39 |
2 |
| Infinititech Srl | 2 |
2 |
| 3m Innovative Properties Company | 18406 |
1 |
| Honda Motor Co., Ltd. | 24537 |
1 |
| Applied Materials, Inc. | 16587 |
1 |
| Corning Incorporated | 9932 |
1 |
| JPMorgan Chase Bank, National Association | 10964 |
1 |
| Biesse S.p.A. | 62 |
1 |
| BMC S.r.l. | 43 |
1 |
| Buetfering Schleiftechnik GmbH | 1 |
1 |
| Darex, LLC | 129 |
1 |
| Karl Heesemann Maschinenfabrik GmbH & Co. KG | 16 |
1 |
| Lissmac Maschinenbau GmbH | 20 |
1 |
| Other owners | 10 |