- 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 15/04 - Machines or devices designed for grinding seat surfaces; Accessories therefor on valve members
Patent holdings for IPC class B24B 15/04
Total number of patents in this class: 9
10-year publication summary
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1
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1
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2
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0
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1
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0
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1
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0
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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
|
|---|---|---|
| Mitsubishi Power, Ltd. | 1680 |
2 |
| Goodrich Corporation | 2081 |
1 |
| Jiangnan University | 1410 |
1 |
| Neway Valve (Suzhou) Co., Ltd. | 25 |
1 |
| Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. | 396 |
1 |
| Yih Cheng Factory Co., Ltd. | 40 |
1 |
| Industrial Valve Services Pte Ltd. | 1 |
1 |
| Great Star Tools USA, Inc. | 289 |
1 |
| Other owners | 0 |