- 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 13/00 - Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other workAccessories therefor
Patent holdings for IPC class B24B 13/00
Total number of patents in this class: 281
10-year publication summary
|
17
|
21
|
28
|
14
|
14
|
16
|
19
|
11
|
10
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Essilor International (compagnie Generale D'optique) | 2977 |
40 |
| Schneider GmbH & Co. KG | 162 |
36 |
| Satisloh AG | 117 |
24 |
| Carl Zeiss Vision International GmbH | 660 |
15 |
| Magna Mirrors of America, Inc. | 627 |
12 |
| Hoya Lens Thailand Ltd. | 590 |
7 |
| Carl Zeiss SMT GmbH | 3142 |
6 |
| OptoTech Optikmaschinen GmbH | 31 |
6 |
| Soochow University | 1754 |
5 |
| Nidek Co., Ltd. | 339 |
4 |
| Venmill Industries Incorporated | 23 |
4 |
| Hoya Corporation | 2753 |
3 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10981 |
3 |
| Digital Vision, Inc. | 15 |
3 |
| Shamir Optical Industry Ltd. | 186 |
3 |
| Delamare Sovra SAS | 3 |
3 |
| CooperVision International Limited | 602 |
3 |
| Raytheon Company | 8462 |
2 |
| Carl Zeiss SMT AG | 176 |
2 |
| Automation & Robotics S.A. | 5 |
2 |
| Other owners | 98 |