- 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 55/02 - Equipment for cooling the grinding surfaces, e.g. devices for feeding coolant
Patent holdings for IPC class B24B 55/02
Total number of patents in this class: 306
10-year publication summary
|
28
|
28
|
31
|
37
|
37
|
25
|
25
|
27
|
29
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ebara Corporation | 1951 |
15 |
| Disco Corporation | 1745 |
13 |
| Applied Materials, Inc. | 16587 |
10 |
| Shin-Etsu Handotai Co., Ltd. | 1277 |
9 |
| Ancora S.p.A. | 27 |
9 |
| Qingdao Technological University | 38 |
7 |
| ANDREAS STIHL AG & Co. KG | 818 |
6 |
| Husqvarna AB | 2824 |
5 |
| Saint-Gobain Abrasives, Inc. | 895 |
5 |
| Samsung Electronics Co., Ltd. | 131630 |
4 |
| 3m Innovative Properties Company | 18406 |
4 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 36809 |
4 |
| Tokyo Electron Limited | 11599 |
4 |
| Saint-Gobain Abrasifs | 657 |
4 |
| Qingdao University of Technology | 555 |
4 |
| Pratt & Whitney Canada Corp. | 4215 |
3 |
| Schaeffler Technologies AG & Co. KG | 8880 |
3 |
| JTEKT Corporation | 2423 |
3 |
| NSK Ltd. | 2719 |
3 |
| C.m.e. Blasting & Mining Equipment Ltd. | 22 |
3 |
| Other owners | 188 |