- 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 13/02 - Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other workAccessories therefor by means of tools with abrading surfaces corresponding in shape with the lenses to be made
Patent holdings for IPC class B24B 13/02
Total number of patents in this class: 59
10-year publication summary
|
7
|
6
|
6
|
3
|
3
|
3
|
3
|
0
|
3
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Essilor International (compagnie Generale D'optique) | 2996 |
14 |
| Satisloh AG | 116 |
7 |
| Schneider GmbH & Co. KG | 161 |
7 |
| Olympus Corporation | 13175 |
6 |
| Kojima Engineering Co., Ltd. | 6 |
5 |
| Delamare Sovra SAS | 3 |
3 |
| OptoTech Optikmaschinen GmbH | 29 |
2 |
| Visioptimum International | 2 |
2 |
| Canon Inc. | 39960 |
1 |
| Carl Zeiss Vision GmbH | 226 |
1 |
| Carl Zeiss Vision International GmbH | 629 |
1 |
| Comadur S.A. | 87 |
1 |
| Element Six Limited | 77 |
1 |
| Indo Internacional S.A. | 9 |
1 |
| JH Rhodes Company, Inc. | 12 |
1 |
| Rodenstock GmbH | 382 |
1 |
| Ernst-Abbe-Hochschule Jena | 4 |
1 |
| DONALD, Heather June | 41 |
1 |
| Zeeko Innovations Limited | 7 |
1 |
| XI'AN JIAOTONG UNIVERSITY et al. | 1 |
1 |
| Other owners | 1 |