- All sections
- B - Performing operations; transporting
- B22F - Working metallic powder; manufacture of articles from metallic powder; making metallic powder; apparatus 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: 103
10-year publication summary
|
0
|
0
|
0
|
1
|
0
|
9
|
34
|
41
|
22
|
6
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LPW Technology Ltd. | 58 |
14 |
| General Electric Company | 18133 |
8 |
| Hewlett-Packard Development Company, L.P. | 28538 |
4 |
| Nikon Corporation | 7162 |
4 |
| Divergent Technologies, Inc. | 413 |
4 |
| Seurat Technologies, Inc. | 126 |
4 |
| Ebara Corporation | 1951 |
3 |
| Arcam AB | 204 |
3 |
| Desktop Metal, Inc. | 276 |
3 |
| TRUMPF Laser- und Systemtechnik GmbH | 505 |
3 |
| Addup | 121 |
3 |
| The ExOne Company | 67 |
2 |
| Formlabs, Inc. | 192 |
2 |
| Grid Logic Incorporated | 19 |
2 |
| IHI Corporation | 3268 |
2 |
| Insstek, Inc. | 18 |
2 |
| Renishaw plc | 739 |
2 |
| Stratasys Ltd. | 385 |
2 |
| Powder Motion Labs, LLC | 12 |
2 |
| One Click Metal GmbH | 12 |
2 |
| Other owners | 32 |