- 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 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: 176
10-year publication summary
|
9
|
6
|
22
|
25
|
17
|
11
|
19
|
9
|
6
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 40953 |
47 |
| Makita Corporation | 2339 |
31 |
| Hilti Aktiengesellschaft | 3227 |
24 |
| Black & Decker, Inc. | 2402 |
6 |
| Bosch Power Tools (China) Co., Ltd. | 76 |
4 |
| Shanghai Ken Tools Co., Ltd. | 7 |
4 |
| Dustless Depot, LLC | 15 |
3 |
| Festool GmbH | 317 |
3 |
| Hitachi Koki Co., Ltd. | 423 |
3 |
| Nakaya Co., Ltd. | 6 |
3 |
| Swisslogo AG | 55 |
3 |
| Koki Holdings Co.,Ltd | 856 |
3 |
| The Boeing Company | 19843 |
2 |
| G.a.w., Inc. | 11 |
2 |
| Metabowerke GmbH | 156 |
2 |
| Nitto Kohki Co., Ltd. | 280 |
2 |
| X'pole Precision Tools Inc. | 50 |
2 |
| Robert Bosch Tool Corporation | 350 |
1 |
| Compagnie générale des établissements Michelin SCA | 2477 |
1 |
| Chervon (HK) Limited | 238 |
1 |
| Other owners | 29 |