- 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 47/22 - Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation
Patent holdings for IPC class B24B 47/22
Total number of patents in this class: 116
10-year publication summary
|
10
|
3
|
3
|
7
|
9
|
8
|
15
|
21
|
7
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Essilor International (compagnie Generale D'optique) | 2918 |
29 |
| Tokyo Seimitsu Co., Ltd. | 257 |
7 |
| Ebara Corporation | 1951 |
6 |
| Briot International | 8 |
4 |
| Soltek S.r.l. | 6 |
4 |
| Bando Kiko Co., Ltd. | 73 |
2 |
| CITIC Dicastal CO., LTD | 531 |
2 |
| Rodenstock GmbH | 356 |
2 |
| Schneider GmbH & Co. KG | 160 |
2 |
| Venmill Industries Incorporated | 23 |
2 |
| Walter Maschinenbau GmbH | 50 |
2 |
| pro-micron GmbH | 22 |
2 |
| Shibaura Machine Co., Ltd. | 184 |
2 |
| Zhejiang Meiri Intelligent Equipment Co., Ltd | 5 |
2 |
| Honda Motor Co., Ltd. | 24537 |
1 |
| Kimberly-clark Worldwide, Inc. | 5854 |
1 |
| Robert Bosch GmbH | 40953 |
1 |
| Applied Materials, Inc. | 16587 |
1 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 36809 |
1 |
| Corning Incorporated | 9932 |
1 |
| Other owners | 42 |