- 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: 276
10-year publication summary
|
20
|
17
|
23
|
28
|
14
|
14
|
16
|
19
|
11
|
6
|
| 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) | 2999 |
40 |
| Schneider GmbH & Co. KG | 161 |
35 |
| Satisloh AG | 115 |
24 |
| Carl Zeiss Vision International GmbH | 625 |
14 |
| Magna Mirrors of America, Inc. | 601 |
12 |
| Hoya Lens Thailand Ltd. | 541 |
7 |
| Carl Zeiss SMT GmbH | 2958 |
6 |
| OptoTech Optikmaschinen GmbH | 28 |
6 |
| Soochow University | 1733 |
5 |
| Nidek Co., Ltd. | 342 |
4 |
| Venmill Industries Incorporated | 23 |
4 |
| Hoya Corporation | 2738 |
3 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10925 |
3 |
| Digital Vision, Inc. | 15 |
3 |
| Shamir Optical Industry Ltd. | 177 |
3 |
| Delamare Sovra SAS | 3 |
3 |
| Raytheon Company | 8389 |
2 |
| Carl Zeiss SMT AG | 214 |
2 |
| Automation & Robotics S.A. | 5 |
2 |
| DAC VISION INC., Texas Corporation | 25 |
2 |
| Other owners | 96 |