- All sections
- B - Performing operationstransporting
- B22F - Working metallic powdermanufacture of articles from metallic powdermaking metallic powderapparatus or devices specially adapted for metallic powder
- B22F 12/52 - Hoppers
Patent holdings for IPC class B22F 12/52
Total number of patents in this class: 144
10-year publication summary
|
0
|
0
|
1
|
0
|
10
|
41
|
49
|
24
|
21
|
12
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LPW Technology Ltd. | 59 |
15 |
| General Electric Company | 13811 |
14 |
| Divergent Technologies, Inc. | 475 |
7 |
| Seurat Technologies, Inc. | 158 |
7 |
| Arcam AB | 202 |
5 |
| Peridot Print LLC | 1282 |
5 |
| Nikon Corporation | 7158 |
4 |
| Ebara Corporation | 2165 |
4 |
| Desktop Metal, Inc. | 285 |
4 |
| Formlabs, Inc. | 208 |
4 |
| TRUMPF Laser- und Systemtechnik GmbH | 533 |
3 |
| Addup | 128 |
3 |
| VulcanForms Inc. | 111 |
3 |
| Seiko Epson Corporation | 19319 |
2 |
| American Axle & Manufacturing, Inc. | 653 |
2 |
| C4 Carbides Limited | 22 |
2 |
| Ecole Centrale de Nantes | 40 |
2 |
| The ExOne Company | 63 |
2 |
| Grid Logic Incorporated | 21 |
2 |
| IHI Corporation | 3416 |
2 |
| Other owners | 52 |