- 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 7/24 - 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 for grinding inorganic material, e.g. stone, ceramics, porcelain for grinding or polishing glass
Patent holdings for IPC class B24B 7/24
Total number of patents in this class: 201
10-year publication summary
|
18
|
5
|
16
|
20
|
11
|
14
|
15
|
9
|
9
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Electric Glass Co., Ltd. | 2500 |
19 |
| Hoya Corporation | 2757 |
15 |
| Asahi Glass Company, Limited | 2703 |
13 |
| Samsung Display Co., Ltd. | 37314 |
12 |
| Apple Inc. | 57234 |
9 |
| Corning Incorporated | 10396 |
9 |
| Shin-Etsu Chemical Co., Ltd. | 5878 |
6 |
| SCHOTT AG | 1719 |
5 |
| 3m Innovative Properties Company | 17596 |
4 |
| LG Chem, Ltd. | 17745 |
4 |
| Disco Corporation | 1916 |
4 |
| Venmill Industries Incorporated | 23 |
4 |
| Breton SpA | 114 |
3 |
| Mirka Ltd | 178 |
3 |
| Konica Minolta, Inc. | 8976 |
2 |
| Carl Zeiss SMT GmbH | 3169 |
2 |
| AvanStrate Inc. | 104 |
2 |
| Bando Chemical Industries, Ltd. | 604 |
2 |
| Bando Kiko Co., Ltd. | 76 |
2 |
| Communications Test Design, Inc. | 122 |
2 |
| Other owners | 79 |