- All sections
- B - Performing operations; transporting
- B22C - Foundry moulding
- B22C 9/03 - Sand moulds or like moulds for shaped castings formed by vacuum-sealed moulding
Patent holdings for IPC class B22C 9/03
Total number of patents in this class: 11
10-year publication summary
|
3
|
0
|
3
|
4
|
0
|
0
|
2
|
0
|
2
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sintokogio, Ltd. | 1148 |
3 |
| Rail 1520 IP Ltd. | 9 |
2 |
| Nanjing University of Aeronautics and Astronautics | 360 |
1 |
| Soletanche Freyssinet | 480 |
1 |
| Hubei Wanxin Precision Casting & Forging Inc | 1 |
1 |
| Henan Qianwei Industrial Co., Ltd. | 1 |
1 |
| Suzhou Mingzhi Technology Co., Ltd | 34 |
1 |
| Universite Moulay Ismail | 10 |
1 |
| Other owners | 0 |