- 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 3/20 - Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor by extruding
Patent holdings for IPC class B22F 3/20
Total number of patents in this class: 292
10-year publication summary
|
27
|
37
|
42
|
30
|
28
|
13
|
21
|
21
|
20
|
8
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Boeing Company | 19843 |
8 |
| Pukyong National University Industry-University Cooperation Foundation | 254 |
8 |
| Grundfos Holding A/S | 506 |
7 |
| PLANSEE SE | 233 |
6 |
| Hi-Lex Corporation | 328 |
5 |
| Kurimoto, Ltd. | 81 |
5 |
| Tecnium, LLC | 10 |
5 |
| Rtx Corporation | 8674 |
5 |
| Siemens AG | 24990 |
4 |
| Battelle Memorial Institute | 2356 |
4 |
| Katsuyoshi Kondoh | 5 |
4 |
| Powdermet, Inc. | 45 |
4 |
| Tundra Composites, LLC | 78 |
4 |
| Wenzhou Hongfeng Electrical Alloy Co., Ltd. | 16 |
4 |
| Almag S.p.A. | 5 |
4 |
| Central South University | 364 |
3 |
| Kolon Plastics, Inc. | 69 |
3 |
| Mitsubishi Materials Corporation | 2378 |
3 |
| National University Corporation Kumamoto University | 371 |
3 |
| SANYO Special Steel Co., Ltd. | 201 |
3 |
| Other owners | 200 |