- All sections
- B - Performing operationstransporting
- B22F - Working metallic powdermanufacture of articles from metallic powdermaking metallic powderapparatus or devices specially adapted for metallic powder
- B22F 5/08 - Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of toothed articles, e.g. gear wheelsManufacture of workpieces or articles from metallic powder characterised by the special shape of the product of cam discs
Patent holdings for IPC class B22F 5/08
Total number of patents in this class: 186
10-year publication summary
|
14
|
8
|
16
|
21
|
17
|
19
|
22
|
12
|
7
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| GKN Sinter Metals, LLC | 109 |
16 |
| Miba Sinter Austria GmbH | 100 |
15 |
| Sumitomo Electric Sintered Alloy, Ltd. | 222 |
13 |
| Sumitomo Electric Industries, Ltd. | 15015 |
11 |
| GKN Sinter Metals Holding GmbH | 50 |
10 |
| GKN Sinter Metals Engineering GmbH | 115 |
6 |
| Keystone Powdered Metal Company | 21 |
6 |
| Siemens AG | 24568 |
5 |
| NTN Corporation | 4980 |
4 |
| Rtx Corporation | 9130 |
4 |
| General Electric Company | 17800 |
3 |
| Hewlett-Packard Development Company, L.P. | 27448 |
3 |
| American Axle & Manufacturing, Inc. | 657 |
3 |
| ETA SA Manufacture Horlogere Suisse | 668 |
3 |
| Nidec Corporation | 2604 |
3 |
| PLANSEE SE | 234 |
3 |
| Schunk Sintermetalltechnik GmbH | 13 |
3 |
| Toyota Motor Corporation | 30540 |
2 |
| Hitachi Chemical Company, Ltd. | 2385 |
2 |
| California Institute of Technology | 3935 |
2 |
| Other owners | 69 |