- 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 49/00 - 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
Patent holdings for IPC class B24B 49/00
Total number of patents in this class: 737
10-year publication summary
|
24
|
26
|
40
|
44
|
41
|
30
|
40
|
50
|
34
|
15
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Applied Materials, Inc. | 18433 |
76 |
| Ebara Corporation | 2148 |
68 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 42222 |
25 |
| 3m Innovative Properties Company | 17855 |
21 |
| Essilor International (compagnie Generale D'optique) | 2984 |
15 |
| Magna Mirrors of America, Inc. | 601 |
12 |
| Nidek Co., Ltd. | 342 |
11 |
| Disco Corporation | 1848 |
9 |
| Shin-Etsu Handotai Co., Ltd. | 1286 |
9 |
| Sunnen Products Company | 42 |
9 |
| Samsung Electronics Co., Ltd. | 144426 |
8 |
| Husqvarna AB | 2905 |
8 |
| Saint-Gobain Abrasifs | 649 |
8 |
| Saint-Gobain Abrasives, Inc. | 886 |
8 |
| Kioxia Corporation | 10282 |
8 |
| Micron Technology, Inc. | 26214 |
7 |
| JTEKT Corporation | 2490 |
7 |
| Erwin Junker Maschinenfabrik GmbH | 40 |
7 |
| Globalwafers Co., Ltd. | 633 |
6 |
| Marposs, S.p.A. | 134 |
6 |
| Other owners | 409 |