- 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 9/14 - Machines or devices designed for grinding edges or bevels on work or for removing burrsAccessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass of optical work, e.g. lenses, prisms
Patent holdings for IPC class B24B 9/14
Total number of patents in this class: 306
10-year publication summary
|
15
|
17
|
25
|
20
|
9
|
12
|
11
|
16
|
10
|
5
|
| 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) | 2994 |
130 |
| Nidek Co., Ltd. | 340 |
23 |
| Hoya Corporation | 2721 |
19 |
| Satisloh AG | 116 |
15 |
| Schneider GmbH & Co. KG | 167 |
13 |
| Nidek.co.,ltd | 185 |
12 |
| Carl Zeiss Vision International GmbH | 690 |
8 |
| Hoya Lens Thailand Ltd. | 611 |
8 |
| Rodenstock GmbH | 396 |
5 |
| Huvitz Co., Ltd. | 69 |
4 |
| OptoTech Optikmaschinen GmbH | 37 |
4 |
| Shamir Optical Industry Ltd. | 189 |
4 |
| MEI S.r.L. | 28 |
3 |
| National Optronics, Inc. | 4 |
3 |
| Tokai Optical Co., Ltd. | 131 |
3 |
| Delamare Sovra SAS | 3 |
3 |
| Olympus Corporation | 12939 |
2 |
| Carl Zeiss SMT GmbH | 3332 |
2 |
| Automation & Robotics S.A. | 5 |
2 |
| Carl Zeiss Vision GmbH | 235 |
2 |
| Other owners | 41 |