- 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 21/02 - Machines or devices using grinding or polishing belts; Accessories therefor for grinding rotationally symmetrical surfaces
Patent holdings for IPC class B24B 21/02
Total number of patents in this class: 66
10-year publication summary
|
6
|
9
|
7
|
6
|
2
|
3
|
3
|
6
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Supfina Grieshaber GmbH & Co. KG | 80 |
15 |
| Thielenhaus Technologies GmbH | 19 |
5 |
| Nagel Maschinen- und Werkzeugfabrik GmbH | 24 |
3 |
| 3m Innovative Properties Company | 17955 |
2 |
| Ebara Corporation | 2078 |
2 |
| Nippon Steel Corporation | 5991 |
2 |
| Optipro Systems, L.L.C. | 12 |
2 |
| Hitachi Astemo, Ltd. | 6050 |
2 |
| Rtx Corporation | 9077 |
2 |
| Apple Inc. | 52607 |
1 |
| Honda Motor Co., Ltd. | 24865 |
1 |
| Boe Technology Group Co., Ltd. | 38777 |
1 |
| ATT Technology, Ltd. | 15 |
1 |
| CITIC Dicastal CO., LTD | 557 |
1 |
| Ecolab USA Inc. | 5336 |
1 |
| GE Oil & Gas Pressure Control LP | 75 |
1 |
| Kobe Material Testing Laboratory Co., Ltd. | 7 |
1 |
| KYB Corporation | 1322 |
1 |
| MIE Electronics Co., Ltd. | 5 |
1 |
| Nihon Micro Coating Co., Ltd. | 21 |
1 |
| Other owners | 20 |