- All sections
- B - Performing operationstransporting
- B21K - Making forged or pressed metal products, e.g. horse-shoes, rivets, bolts or wheels
- B21K 1/24 - Making machine elements valve parts valve bodiesMaking machine elements valve parts valve seats
Patent holdings for IPC class B21K 1/24
Total number of patents in this class: 38
10-year publication summary
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2
|
2
|
3
|
4
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6
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3
|
3
|
1
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0
|
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
|
|---|---|---|
| Nittan Valve Co., Ltd. | 134 |
5 |
| Robert Bosch GmbH | 41971 |
3 |
| Indimet Inc. | 13 |
3 |
| Reliance Worldwide Corporation | 322 |
3 |
| Mitsubishi Electric Corporation | 45128 |
2 |
| Sungjin Fo-ma Inc. | 9 |
2 |
| Ford Motor Company | 2734 |
1 |
| Beijing Kohler Ltd. | 37 |
1 |
| Daido Steel Co., Ltd. | 260 |
1 |
| Federal-Mogul Valvetrain GmbH | 63 |
1 |
| Fuji Oozx Inc. | 23 |
1 |
| Lumir, Inc. | 3 |
1 |
| MAN Diesel & Turbo, Filial af MAN Diesel & Turbo SE, Tyskland | 39 |
1 |
| Neturen Co., Ltd. | 194 |
1 |
| Renault Trucks | 207 |
1 |
| RUBINETTERIE UTENSILERIE BONOMI S.r.l. | 7 |
1 |
| Titcomb Brothers Manufacturing, Inc. | 15 |
1 |
| Volvo Lastvagnar AB | 844 |
1 |
| Hanwha Aerospace Co., Ltd. | 166 |
1 |
| Capital Hardware Supply, LLC | 15 |
1 |
| Other owners | 6 |