- 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: 706
10-year publication summary
|
26
|
40
|
44
|
41
|
30
|
41
|
55
|
33
|
33
|
14
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Applied Materials, Inc. | 20363 |
70 |
| Ebara Corporation | 2323 |
65 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 48248 |
30 |
| 3m Innovative Properties Company | 17488 |
22 |
| Magna Mirrors of America, Inc. | 640 |
12 |
| Nidek Co., Ltd. | 340 |
11 |
| Essilor International (compagnie Generale D'optique) | 2997 |
10 |
| Disco Corporation | 1957 |
9 |
| Shin-Etsu Handotai Co., Ltd. | 1306 |
9 |
| Sunnen Products Company | 42 |
9 |
| Saint-Gobain Abrasifs | 621 |
8 |
| Saint-Gobain Abrasives, Inc. | 865 |
8 |
| Kioxia Corporation | 10805 |
8 |
| Erwin Junker Maschinenfabrik GmbH | 41 |
7 |
| Husqvarna AB | 3032 |
7 |
| Samsung Electronics Co., Ltd. | 157557 |
6 |
| JTEKT Corporation | 2580 |
6 |
| Globalwafers Co., Ltd. | 730 |
6 |
| Marposs, S.p.A. | 139 |
6 |
| Black & Decker, Inc. | 2443 |
5 |
| Other owners | 392 |