- 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 3/26 - Impregnating
Patent holdings for IPC class B22F 3/26
Total number of patents in this class: 247
10-year publication summary
|
27
|
28
|
25
|
22
|
15
|
15
|
15
|
12
|
11
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Meidensha Corporation | 850 |
15 |
| NTN Corporation | 4980 |
6 |
| Desktop Metal, Inc. | 270 |
6 |
| JFE Precision Corporation | 14 |
6 |
| Halliburton Energy Services, Inc. | 20403 |
4 |
| Honeywell International Inc. | 14009 |
4 |
| Mitsubishi Electric Corporation | 44678 |
4 |
| Henkel AG & Co. KGaA | 10337 |
4 |
| Advanced Composite Corporation | 13 |
4 |
| Proterial, Ltd. | 757 |
4 |
| General Electric Company | 17801 |
3 |
| LG Chem, Ltd. | 17620 |
3 |
| Canon Inc. | 38016 |
3 |
| Nichia Corporation | 3536 |
3 |
| Ablestik (Shanghai) Ltd. | 42 |
3 |
| Consolidated Nuclear Security, LLC | 125 |
3 |
| Denka Company Limited | 2452 |
3 |
| F.a.r.-fonderie Acciaierie Roiale - SpA | 11 |
3 |
| JFE Steel Corporation | 6527 |
3 |
| Materion Corporation | 302 |
3 |
| Other owners | 160 |