- All sections
- B - Performing operations; transporting
- B24B - Machines, devices, or processes for grinding or polishing; dressing or conditioning of abrading surfaces; feeding of grinding, polishing, or lapping agents
- B24B 49/00 - Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements 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: 762
10-year publication summary
|
37
|
24
|
26
|
40
|
44
|
41
|
30
|
38
|
46
|
10
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ebara Corporation | 1951 |
75 |
| Applied Materials, Inc. | 16587 |
73 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 36809 |
24 |
| 3m Innovative Properties Company | 18406 |
20 |
| Essilor International (compagnie Generale D'optique) | 2918 |
15 |
| Nidek Co., Ltd. | 357 |
12 |
| Disco Corporation | 1745 |
9 |
| Shin-Etsu Handotai Co., Ltd. | 1277 |
9 |
| Sunnen Products Company | 44 |
9 |
| Micron Technology, Inc. | 24960 |
8 |
| JTEKT Corporation | 2423 |
8 |
| Husqvarna AB | 2824 |
8 |
| Saint-Gobain Abrasifs | 657 |
8 |
| Saint-Gobain Abrasives, Inc. | 895 |
8 |
| Kioxia Corporation | 9847 |
8 |
| Samsung Electronics Co., Ltd. | 131630 |
7 |
| Black & Decker, Inc. | 2402 |
7 |
| Erwin Junker Maschinenfabrik GmbH | 48 |
7 |
| Magna Mirrors of America, Inc. | 531 |
7 |
| Rohm and Haas Electronic Materials CMP Holdings, Inc. | 309 |
7 |
| Other owners | 433 |