- 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: 173
10-year publication summary
|
0
|
1
|
0
|
11
|
37
|
50
|
24
|
21
|
30
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LPW Technology Ltd. | 63 |
16 |
| General Electric Company | 13819 |
15 |
| Divergent Technologies, Inc. | 488 |
7 |
| Seurat Technologies, Inc. | 165 |
7 |
| Arcam AB | 202 |
5 |
| Desktop Metal, Inc. | 272 |
5 |
| Formlabs, Inc. | 217 |
5 |
| Addup | 127 |
5 |
| Prince Mohammad Bin Fahd University | 162 |
5 |
| Peridot Print LLC | 1308 |
5 |
| Nikon Corporation | 7310 |
4 |
| Ebara Corporation | 2271 |
4 |
| DMG MORI Co., Ltd. | 907 |
3 |
| Grid Logic Incorporated | 22 |
3 |
| Renishaw plc | 770 |
3 |
| TRUMPF Laser- und Systemtechnik GmbH | 531 |
3 |
| VulcanForms Inc. | 117 |
3 |
| Talens Systems, S.L.U. | 14 |
3 |
| Seiko Epson Corporation | 19988 |
2 |
| American Axle & Manufacturing, Inc. | 646 |
2 |
| Other owners | 68 |