- 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: 2172
10-year publication summary
|
250
|
259
|
249
|
209
|
175
|
131
|
124
|
132
|
90
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi Metals, Ltd. | 1951 |
74 |
| Shin-Etsu Chemical Co., Ltd. | 5830 |
52 |
| Rtx Corporation | 9660 |
50 |
| Sumitomo Electric Industries, Ltd. | 15890 |
40 |
| Sumitomo Electric Sintered Alloy, Ltd. | 237 |
40 |
| General Electric Company | 13793 |
35 |
| Seurat Technologies, Inc. | 163 |
34 |
| TDK Corporation | 6761 |
33 |
| Proterial, Ltd. | 894 |
33 |
| NTN Corporation | 4952 |
30 |
| GE Infrastructure Technology, LLC | 6202 |
28 |
| Safran Aircraft Engines | 6448 |
23 |
| The Boeing Company | 20080 |
22 |
| Panasonic Intellectual Property Management Co., Ltd. | 32753 |
22 |
| Toshiba Corporation | 12556 |
19 |
| Toyota Motor Corporation | 33770 |
18 |
| Desktop Metal, Inc. | 287 |
16 |
| Siemens AG | 24300 |
15 |
| Element Six (UK) Limited | 223 |
15 |
| Hamilton Sundstrand Corporation | 4987 |
14 |
| Other owners | 1559 |