- All sections
- B - Performing operationstransporting
- B22D - Casting of metalscasting of other substances by the same processes or devices
- B22D 41/02 - Linings
Patent holdings for IPC class B22D 41/02
Total number of patents in this class: 171
10-year publication summary
|
13
|
8
|
12
|
11
|
12
|
8
|
14
|
10
|
10
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Molten Metal Equipment Innovations, LLC | 99 |
10 |
| Vesuvius USA Corporation | 92 |
10 |
| Krosakiharima Corporation | 283 |
8 |
| Refractory Intellectual Property GmbH & Co. KG | 545 |
8 |
| Pyrotek Engineering Materials Limited | 18 |
6 |
| JFE Steel Corporation | 6840 |
5 |
| Nichias Corporation | 392 |
5 |
| North American Refractories Company | 15 |
5 |
| Calderys France | 52 |
4 |
| Novelis Inc. | 110 |
4 |
| Refratechnik Holding GmbH | 144 |
4 |
| Saint-Gobain do Brasil Produtos Industriais e para Construção Ltda. | 22 |
4 |
| SMS Siemag Aktiengesellschaft | 505 |
4 |
| Tounetsu Co., Ltd. | 28 |
4 |
| Vesuvius Group S.A. | 97 |
4 |
| ArcelorMittal Investigacion y Desarrollo SL | 209 |
3 |
| Pyrotek, Inc. | 201 |
3 |
| University of Science and Technology Beijing | 279 |
3 |
| Harbisonwalker International Holdings, Inc. | 48 |
3 |
| Zibo City Luzhong Refractories Co., Ltd. | 10 |
3 |
| Other owners | 71 |