- 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 49/12 - 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 involving optical means
Patent holdings for IPC class B24B 49/12
Total number of patents in this class: 818
10-year publication summary
|
41
|
48
|
60
|
85
|
74
|
48
|
89
|
73
|
69
|
32
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Applied Materials, Inc. | 18433 |
120 |
| Ebara Corporation | 2148 |
93 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 42222 |
34 |
| Disco Corporation | 1848 |
24 |
| Essilor International (compagnie Generale D'optique) | 2984 |
19 |
| Shin-Etsu Handotai Co., Ltd. | 1286 |
19 |
| Tokyo Seimitsu Co., Ltd. | 335 |
19 |
| 3m Innovative Properties Company | 17855 |
16 |
| Tokyo Electron Limited | 12571 |
16 |
| Sumco Corporation | 1126 |
12 |
| Canvas Construction, Inc. | 29 |
11 |
| Marposs, S.p.A. | 134 |
9 |
| Husqvarna AB | 2905 |
8 |
| FANUC Corporation | 6608 |
7 |
| Towa Corporation | 295 |
7 |
| The Boeing Company | 20025 |
6 |
| JFE Steel Corporation | 6794 |
6 |
| Taikisha Ltd. | 121 |
6 |
| Schneider GmbH & Co. KG | 161 |
5 |
| Velasa Sports, Inc. | 57 |
5 |
| Other owners | 376 |