- All sections
- B - Performing operations; transporting
- B24B - Machines, devices, or processes for grinding or polishing; dressing or conditioning of abrading surfaces; feeding of grinding, polishing, or lapping agents
- B24B 13/015 - Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor of televison picture tube viewing panels, headlight reflectors or the like
Patent holdings for IPC class B24B 13/015
Total number of patents in this class: 14
10-year publication summary
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1
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1
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0
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1
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0
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0
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1
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2
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2
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0
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17205 |
3 |
| 3m Innovative Properties Company | 18406 |
2 |
| Corning Incorporated | 9932 |
2 |
| Lumus Ltd. | 387 |
2 |
| Samsung Display Co., Ltd. | 30585 |
1 |
| Carl Zeiss SMT AG | 287 |
1 |
| Cabot Microelectronics Corporation | 219 |
1 |
| SCHOTT AG | 1675 |
1 |
| Communications Test Design, Inc. (ctdi) | 1 |
1 |
| Other owners | 0 |