- 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: 611
10-year publication summary
|
62
|
72
|
65
|
54
|
69
|
46
|
39
|
41
|
41
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| True Velocity IP Holdings, Inc. | 248 |
56 |
| Seiko Epson Corporation | 19982 |
21 |
| Safran Aircraft Engines | 6511 |
20 |
| Pratt & Whitney Canada Corp. | 5203 |
18 |
| BASF SE | 21127 |
15 |
| Robert Bosch GmbH | 43500 |
13 |
| Rolls-Royce Deutschland Ltd & Co KG | 840 |
11 |
| Siemens AG | 24237 |
8 |
| Nichia Corporation | 3826 |
8 |
| SECO Tools AB | 449 |
8 |
| Huawei Technologies Co., Ltd. | 119637 |
7 |
| Tundra Composites, LLC | 69 |
7 |
| Comadur S.A. | 92 |
6 |
| Desktop Metal, Inc. | 272 |
6 |
| Alliance | 15 |
6 |
| Headmade Materials GmbH | 24 |
6 |
| General Electric Company | 13811 |
5 |
| The Boeing Company | 20102 |
5 |
| Hyundai Motor Company | 23540 |
5 |
| Siemens Energy, Inc. | 1696 |
5 |
| Other owners | 375 |