- All sections
- B - Performing operationstransporting
- B22F - Working metallic powdermanufacture of articles from metallic powdermaking metallic powderapparatus or devices specially adapted for metallic powder
- B22F 3/22 - Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sinteringApparatus specially adapted therefor for producing castings from a slip
Patent holdings for IPC class B22F 3/22
Total number of patents in this class: 590
10-year publication summary
|
37
|
62
|
74
|
65
|
55
|
70
|
45
|
42
|
41
|
26
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| True Velocity IP Holdings, Inc. | 247 |
56 |
| Seiko Epson Corporation | 19296 |
19 |
| Safran Aircraft Engines | 6265 |
19 |
| Pratt & Whitney Canada Corp. | 4663 |
18 |
| BASF SE | 20874 |
15 |
| Robert Bosch GmbH | 42596 |
13 |
| Rolls-Royce Deutschland Ltd & Co KG | 812 |
10 |
| Desktop Metal, Inc. | 284 |
9 |
| Siemens AG | 24552 |
8 |
| SECO Tools AB | 463 |
8 |
| Nichia Corporation | 3691 |
6 |
| Comadur S.A. | 87 |
6 |
| Tundra Composites, LLC | 71 |
6 |
| Alliance | 15 |
6 |
| Headmade Materials GmbH | 23 |
6 |
| General Electric Company | 13838 |
5 |
| The Boeing Company | 20031 |
5 |
| Huawei Technologies Co., Ltd. | 111449 |
5 |
| Hyundai Motor Company | 21795 |
5 |
| Siemens Energy, Inc. | 1691 |
5 |
| Other owners | 360 |