- 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 49/14 - Measuring or gauging equipment for controlling the feed movement of the grinding tool or workArrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation taking regard of the temperature during grinding
Patent holdings for IPC class B24B 49/14
Total number of patents in this class: 158
10-year publication summary
|
7
|
14
|
13
|
11
|
11
|
13
|
22
|
18
|
11
|
12
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ebara Corporation | 2223 |
28 |
| Applied Materials, Inc. | 19248 |
22 |
| 3m Innovative Properties Company | 17730 |
12 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 46161 |
7 |
| Shin-Etsu Handotai Co., Ltd. | 1297 |
7 |
| Sumco Corporation | 1115 |
7 |
| Globalwafers Co., Ltd. | 654 |
6 |
| Screen Holdings Co., Ltd. | 2932 |
4 |
| WAFIOS Aktiengesellschaft | 101 |
3 |
| GrayMatter Robotics Inc., AKA GrayMatter Robotics | 54 |
3 |
| Samsung Electronics Co., Ltd. | 149087 |
2 |
| Robert Bosch GmbH | 43063 |
2 |
| Lapmaster Wolters GmbH | 36 |
2 |
| Technische Universitat Berlin | 354 |
2 |
| Mirka Ltd | 178 |
2 |
| Postprocess Technologies, Inc. | 74 |
2 |
| Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | 5375 |
2 |
| Zalirian Ltd. | 3 |
2 |
| Rtx Corporation | 9596 |
2 |
| Apple Inc. | 56283 |
1 |
| Other owners | 40 |