- All sections
- B - Performing operationstransporting
- B22D - Casting of metalscasting of other substances by the same processes or devices
- B22D 27/18 - Measures for using chemical processes for influencing the surface composition of castings, e.g. for increasing resistance to acid attack
Patent holdings for IPC class B22D 27/18
Total number of patents in this class: 20
10-year publication summary
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2
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0
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3
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0
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1
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1
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1
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1
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1
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3
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 48172 |
3 |
| ChemTreat, Inc. | 286 |
2 |
| Fraunhofer-Gesellschaft zur Forderung der angewandten Forschung eingetragener Verein | 91 |
2 |
| Fritz Winter Eisengiesserei GmbH & Co. KG | 44 |
2 |
| SAFRAN S.A. | 794 |
1 |
| Ahresty Corporation | 31 |
1 |
| Bochumer Verein Verkehrstechnik GmbH | 17 |
1 |
| F.a.r.-fonderie Acciaierie Roiale - SpA | 13 |
1 |
| Moresco Corporation | 186 |
1 |
| Nyskopunarmidstod Islands | 3 |
1 |
| Safran Aircraft Engines | 6727 |
1 |
| Silicor Materials Inc. | 21 |
1 |
| Buderus Kanalguss GmbH | 1 |
1 |
| Malmsteypa Thorgrims Jonssonar | 2 |
1 |
| Highland Materials, Inc. | 7 |
1 |
| Other owners | 0 |