- All sections
- B - Performing operationstransporting
- B24B - Machines, devices, or processes for grinding or polishingdressing or conditioning of abrading surfacesfeeding of grinding, polishing, or lapping agents
- B24B 15/04 - Machines or devices designed for grinding seat surfacesAccessories therefor on valve members
Patent holdings for IPC class B24B 15/04
Total number of patents in this class: 10
10-year publication summary
|
2
|
0
|
1
|
0
|
1
|
1
|
2
|
0
|
0
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Power, Ltd. | 1836 |
2 |
| ETO Magnetic GmbH | 279 |
1 |
| Goodrich Corporation | 2181 |
1 |
| Jiangnan University | 1643 |
1 |
| Neway Valve (Suzhou) Co., Ltd. | 42 |
1 |
| Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. | 479 |
1 |
| Yih Cheng Factory Co., Ltd. | 46 |
1 |
| Industrial Valve Services Pte Ltd. | 1 |
1 |
| Van Norman Machine (India) Pvt Ltd | 8 |
1 |
| Other owners | 0 |