- 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 55/05 - Protective covers for the grinding wheel specially designed for portable grinding machines
Patent holdings for IPC class B24B 55/05
Total number of patents in this class: 185
10-year publication summary
|
6
|
22
|
25
|
17
|
11
|
19
|
10
|
6
|
14
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 42296 |
48 |
| Makita Corporation | 2455 |
32 |
| Hilti Aktiengesellschaft | 3427 |
22 |
| Black & Decker, Inc. | 2396 |
7 |
| Bosch Power Tools (China) Co., Ltd. | 84 |
4 |
| Shanghai Ken Tools Co., Ltd. | 7 |
4 |
| Dustless Depot, LLC | 13 |
3 |
| Festool GmbH | 364 |
3 |
| Hitachi Koki Co., Ltd. | 419 |
3 |
| Milwaukee Electric Tool Corporation | 4256 |
3 |
| Nakaya Co., Ltd. | 6 |
3 |
| Swisslogo AG | 55 |
3 |
| Koki Holdings Co.,Ltd | 881 |
3 |
| The Boeing Company | 19953 |
2 |
| G.a.w., Inc. | 11 |
2 |
| Husqvarna AB | 2895 |
2 |
| Metabowerke GmbH | 165 |
2 |
| Nitto Kohki Co., Ltd. | 269 |
2 |
| X'pole Precision Tools Inc. | 56 |
2 |
| Zhejiang Huafeng Electric Tools Co., Ltd. | 7 |
2 |
| Other owners | 33 |