- 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 5/48 - Single-purpose machines or devices for grinding walls of very fine holes, e.g. in drawing-dies
Patent holdings for IPC class B24B 5/48
Total number of patents in this class: 11
10-year publication summary
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0
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0
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3
|
1
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1
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0
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1
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1
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2
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0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| 3m Innovative Properties Company | 17957 |
2 |
| FS Technical Corporation | 14 |
1 |
| Gentex Optics, Inc. | 12 |
1 |
| Robert Bosch Automotive Steering GmbH | 157 |
1 |
| Microcut Ltd | 5 |
1 |
| CRRC Zhuzhou Motor Co., Ltd | 10 |
1 |
| Wenling Minghua Gear Co., Ltd. | 8 |
1 |
| Chengdu Aeronautic Polytechnic | 10 |
1 |
| La Pierrette S.A. | 2 |
1 |
| Deqing County Chengda Metal Materials Co., Ltd | 2 |
1 |
| Other owners | 0 |