- 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 7/20 - Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfacesAccessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground
Patent holdings for IPC class B24B 7/20
Total number of patents in this class: 24
10-year publication summary
|
5
|
0
|
0
|
0
|
1
|
3
|
0
|
0
|
1
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| 3m Innovative Properties Company | 17795 |
5 |
| Applied Materials, Inc. | 18861 |
3 |
| LG Chem, Ltd. | 17644 |
1 |
| Sumitomo Chemical Company, Limited | 9047 |
1 |
| ADC Communications (Australia) Pty Limited | 9 |
1 |
| Comptake Technology Inc. | 12 |
1 |
| Disco Corporation | 1869 |
1 |
| Lumitex, Inc. | 66 |
1 |
| Nanya Technology Corporation | 2528 |
1 |
| Schneider GmbH & Co. KG | 160 |
1 |
| Shin-Etsu Handotai Co., Ltd. | 1283 |
1 |
| Wetenschappelijk en Technisch Onderzoekscentrum voor Diamant, Inrichting Erkend Bij Toepassing Van de Besluitwet Van 30 Januari 1947 | 2 |
1 |
| GE Infrastructure Technology, LLC | 6246 |
1 |
| Guangzhou Mino Equipment Co., Ltd. | 56 |
1 |
| HS Technology N.V. | 1 |
1 |
| Gihyeon Tech Co. Ltd | 1 |
1 |
| DuPont Electronic Materials Holding, Inc. | 210 |
1 |
| Rock Road Company Sales, LLC | 2 |
1 |
| Other owners | 0 |