- 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 21/00 - Machines or devices using grinding or polishing beltsAccessories therefor
Patent holdings for IPC class B24B 21/00
Total number of patents in this class: 261
10-year publication summary
|
26
|
24
|
24
|
20
|
18
|
20
|
10
|
16
|
17
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ebara Corporation | 2174 |
75 |
| Supfina Grieshaber GmbH & Co. KG | 79 |
13 |
| 3m Innovative Properties Company | 17823 |
12 |
| Darex, LLC | 167 |
9 |
| Sharp Kabushiki Kaisha | 18757 |
8 |
| Corning Incorporated | 10275 |
6 |
| Samsung Electronics Co., Ltd. | 146811 |
4 |
| Nitto Kohki Co., Ltd. | 267 |
4 |
| Rud. Starcke GmbH & Co. KG | 42 |
4 |
| V Technology Co., Ltd. | 385 |
4 |
| Bauer Hockey Ltd. | 320 |
4 |
| Columbia Insurance Company | 1520 |
3 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 42945 |
3 |
| CITIC Dicastal CO., LTD | 560 |
3 |
| Nagel Maschinen- und Werkzeugfabrik GmbH | 22 |
3 |
| Nihon Micro Coating Co., Ltd. | 17 |
3 |
| Prosharp Inc. | 5 |
3 |
| Infinititech Srl | 3 |
3 |
| Robert Bosch GmbH | 42705 |
2 |
| Bayerische Motoren Werke Aktiengesellschaft | 14403 |
2 |
| Other owners | 93 |