- All sections
- B - Performing operationstransporting
- B22D - Casting of metalscasting of other substances by the same processes or devices
- B22D 41/40 - Means for pressing the plates together
Patent holdings for IPC class B22D 41/40
Total number of patents in this class: 45
10-year publication summary
|
3
|
2
|
2
|
2
|
7
|
3
|
3
|
3
|
0
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Refractory Intellectual Property GmbH & Co. KG | 535 |
12 |
| Vesuvius Group S.A. | 88 |
11 |
| Krosakiharima Corporation | 278 |
7 |
| TDK Corporation | 6653 |
5 |
| Shinagawa Refractories Co., Ltd. | 54 |
4 |
| Nutberry Limited | 1 |
1 |
| Stopinc Aktiengesellschaft | 35 |
1 |
| Pdk, LLC | 4 |
1 |
| Chosun Refractories Co Ltd | 6 |
1 |
| Knöllinger Flo-tec GmbH | 3 |
1 |
| Staubl Faverges | 2 |
1 |
| Other owners | 0 |