- 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 49/02 - 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 according to the instantaneous size and required size of the workpiece acted upon, the measuring or gauging being continuous or intermittent
Patent holdings for IPC class B24B 49/02
Total number of patents in this class: 180
10-year publication summary
8
|
9
|
12
|
16
|
14
|
10
|
19
|
20
|
9
|
18
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Applied Materials, Inc. | 19005 |
23 |
Ebara Corporation | 2201 |
15 |
Tokyo Electron Limited | 13008 |
11 |
Disco Corporation | 1876 |
6 |
NSK Ltd. | 2799 |
5 |
Sumco Corporation | 1114 |
5 |
Samsung Electronics Co., Ltd. | 148077 |
4 |
Erwin Junker Grinding Technology A.S. | 24 |
4 |
SK Siltron Co., Ltd. | 165 |
4 |
The Hillman Group, Inc. | 397 |
3 |
Shin-Etsu Handotai Co., Ltd. | 1288 |
3 |
Tokyo Seimitsu Co., Ltd. | 375 |
3 |
Skatescribe Corporation | 8 |
3 |
Hitachi, Ltd. | 15605 |
2 |
Taiwan Semiconductor Manufacturing Company, Ltd. | 44095 |
2 |
NTN Corporation | 4979 |
2 |
Amatsuji Steel Ball Mfg. Co., Ltd. | 4 |
2 |
BARON INVESTMENTS, LLC, DBA Baron Education | 34 |
2 |
Essilor International (compagnie Generale D'optique) | 2998 |
2 |
Fives Landis Corp. | 32 |
2 |
Other owners | 77 |