- All sections
- B - Performing operationstransporting
- B21K - Making forged or pressed metal products, e.g. horse-shoes, rivets, bolts or wheels
- B21K 13/02 - Making locksmiths' goods, e.g. handles for cases hinges
Patent holdings for IPC class B21K 13/02
Total number of patents in this class: 4
10-year publication summary
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0
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0
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1
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0
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0
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0
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0
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0
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0
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0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Heavy Industries, Ltd. | 9168 |
1 |
| Microsoft Technology Licensing, LLC | 54510 |
1 |
| L. T. Hampel Corp. | 10 |
1 |
| Sato Special Oil Co., Ltd. | 3 |
1 |
| Other owners | 0 |