- 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 12/55 - Two or more means for feeding material
Patent holdings for IPC class B22F 12/55
Total number of patents in this class: 110
10-year publication summary
|
0
|
0
|
0
|
1
|
8
|
13
|
27
|
32
|
24
|
9
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seiko Epson Corporation | 18724 |
7 |
| Hewlett-Packard Development Company, L.P. | 28538 |
6 |
| Sakuu Corporation | 72 |
5 |
| Applied Materials, Inc. | 16587 |
4 |
| IHI Corporation | 3268 |
3 |
| Stratasys Ltd. | 385 |
3 |
| Siemens AG | 24990 |
2 |
| Texas Instruments Incorporated | 19376 |
2 |
| Arcam AB | 204 |
2 |
| Desktop Metal, Inc. | 276 |
2 |
| Markforged, Inc. | 122 |
2 |
| Safran Aircraft Engines | 5739 |
2 |
| TRUMPF Laser- und Systemtechnik GmbH | 505 |
2 |
| Xjet Ltd. | 46 |
2 |
| Nikon SLM Solutions AG | 76 |
2 |
| Additive Technologies, LLC DBA Additec | 70 |
2 |
| Illinois Tool Works Inc. | 11152 |
1 |
| The Regents of the University of California | 18943 |
1 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
1 |
| Pratt & Whitney Canada Corp. | 4215 |
1 |
| Other owners | 58 |