- All sections
- B - Performing operationstransporting
- B22F - Working metallic powdermanufacture of articles from metallic powdermaking metallic powderapparatus or devices specially adapted for metallic powder
- B22F 3/26 - Impregnating
Patent holdings for IPC class B22F 3/26
Total number of patents in this class: 242
10-year publication summary
|
28
|
25
|
22
|
15
|
15
|
16
|
12
|
12
|
7
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Meidensha Corporation | 931 |
15 |
| NTN Corporation | 4914 |
6 |
| Desktop Metal, Inc. | 242 |
6 |
| Mitsubishi Electric Corporation | 47943 |
5 |
| Henkel AG & Co. KGaA | 10766 |
5 |
| Halliburton Energy Services, Inc. | 21306 |
4 |
| LG Chem, Ltd. | 17926 |
4 |
| Honeywell International Inc. | 12783 |
4 |
| JFE Precision Corporation | 12 |
4 |
| Advanced Composite Corporation | 14 |
4 |
| Proterial, Ltd. | 931 |
4 |
| Canon Inc. | 43707 |
3 |
| Sumitomo Electric Industries, Ltd. | 16303 |
3 |
| Nichia Corporation | 3870 |
3 |
| Ablestik (Shanghai) Ltd. | 61 |
3 |
| Denka Company Limited | 2711 |
3 |
| F.a.r.-fonderie Acciaierie Roiale - SpA | 13 |
3 |
| Materion Corporation | 322 |
3 |
| Taiyo Yuden Co., Ltd. | 2027 |
3 |
| General Electric Company | 13894 |
2 |
| Other owners | 155 |