- 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 3/24 - After-treatment of workpieces or articles
Patent holdings for IPC class B22F 3/24
Total number of patents in this class: 1978
10-year publication summary
|
157
|
188
|
256
|
260
|
248
|
206
|
171
|
123
|
119
|
37
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi Metals, Ltd. | 2175 |
76 |
| Shin-Etsu Chemical Co., Ltd. | 5132 |
51 |
| Rtx Corporation | 8674 |
49 |
| Sumitomo Electric Sintered Alloy, Ltd. | 214 |
38 |
| Sumitomo Electric Industries, Ltd. | 14131 |
36 |
| General Electric Company | 18133 |
34 |
| Proterial, Ltd. | 638 |
33 |
| NTN Corporation | 5008 |
31 |
| TDK Corporation | 6306 |
27 |
| GE Infrastructure Technology, LLC | 5873 |
27 |
| Seurat Technologies, Inc. | 126 |
26 |
| The Boeing Company | 19843 |
20 |
| Toshiba Corporation | 12017 |
19 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
19 |
| Safran Aircraft Engines | 5739 |
18 |
| Siemens AG | 24990 |
17 |
| Toyota Motor Corporation | 28582 |
16 |
| Desktop Metal, Inc. | 276 |
16 |
| Hamilton Sundstrand Corporation | 4525 |
14 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
13 |
| Other owners | 1398 |