- All sections
- B - Performing operationstransporting
- B22F - Working metallic powdermanufacture of articles from metallic powdermaking metallic powderapparatus or devices specially adapted for metallic powder
- B22F 3/24 - After-treatment of workpieces or articles
Patent holdings for IPC class B22F 3/24
Total number of patents in this class: 2197
10-year publication summary
|
250
|
259
|
249
|
209
|
176
|
134
|
127
|
132
|
90
|
21
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi Metals, Ltd. | 1921 |
72 |
| Shin-Etsu Chemical Co., Ltd. | 5948 |
50 |
| Rtx Corporation | 9875 |
50 |
| Sumitomo Electric Sintered Alloy, Ltd. | 241 |
41 |
| Sumitomo Electric Industries, Ltd. | 16091 |
40 |
| TDK Corporation | 6807 |
36 |
| General Electric Company | 13831 |
34 |
| Seurat Technologies, Inc. | 165 |
34 |
| Proterial, Ltd. | 924 |
33 |
| NTN Corporation | 4933 |
30 |
| GE Infrastructure Technology, LLC | 6212 |
28 |
| Safran Aircraft Engines | 6539 |
23 |
| The Boeing Company | 20097 |
22 |
| Panasonic Intellectual Property Management Co., Ltd. | 33507 |
22 |
| Toyota Motor Corporation | 34633 |
19 |
| Toshiba Corporation | 12691 |
19 |
| Siemens AG | 24200 |
15 |
| Desktop Metal, Inc. | 271 |
15 |
| Element Six (UK) Limited | 225 |
15 |
| Hamilton Sundstrand Corporation | 5017 |
14 |
| Other owners | 1585 |