- 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
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Meidensha Corporation | 937 |
15 |
| NTN Corporation | 4923 |
6 |
| Desktop Metal, Inc. | 238 |
6 |
| Mitsubishi Electric Corporation | 48287 |
5 |
| Henkel AG & Co. KGaA | 10774 |
5 |
| Halliburton Energy Services, Inc. | 21284 |
4 |
| LG Chem, Ltd. | 17967 |
4 |
| Honeywell International Inc. | 12770 |
4 |
| JFE Precision Corporation | 12 |
4 |
| Advanced Composite Corporation | 14 |
4 |
| Proterial, Ltd. | 948 |
4 |
| Canon Inc. | 44222 |
3 |
| Sumitomo Electric Industries, Ltd. | 16345 |
3 |
| Nichia Corporation | 3888 |
3 |
| Ablestik (Shanghai) Ltd. | 62 |
3 |
| Daido Metal Company Ltd. | 249 |
3 |
| Denka Company Limited | 2757 |
3 |
| F.a.r.-fonderie Acciaierie Roiale - SpA | 14 |
3 |
| Materion Corporation | 324 |
3 |
| Taiyo Yuden Co., Ltd. | 2046 |
3 |
| Other owners | 154 |