- All sections
- B - Performing operationstransporting
- B23B - Turningboring
- B23B 49/04 - Devices for boring or drilling centre holes in workpieces
Patent holdings for IPC class B23B 49/04
Total number of patents in this class: 24
10-year publication summary
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2
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1
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1
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2
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1
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1
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2
|
1
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0
|
2
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Komatsu NTC Ltd. | 119 |
5 |
| Blackhawk Manufacturing Group Inc. | 30 |
3 |
| The Boeing Company | 20197 |
2 |
| GM Global Technology Operations LLC | 16219 |
1 |
| Hyundai Motor Company | 24898 |
1 |
| Kia Motors Corporation | 7715 |
1 |
| Mazda Motor Corporation | 3309 |
1 |
| Kennametal Inc. | 1355 |
1 |
| Chin-fa Kao | 1 |
1 |
| MAG IAS GmbH | 72 |
1 |
| The Research Foundation for The State University of New York | 1764 |
1 |
| Subaru Corporation | 4067 |
1 |
| Komatsu Machinery Corp. | 3 |
1 |
| Huang-Ming Hsu | 1 |
1 |
| Yao-Hsien Hsu | 1 |
1 |
| Technische Hochschule Deggendorf | 6 |
1 |
| Bohai Shipyard Group Corporation, Ltd. | 3 |
1 |
| Other owners | 0 |