Method of forming low-carbon, high toughness, steel plates for railroad tank cars
US-2025369080-A1 · Dec 4, 2025 · US
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De Amar Kumar patents
De Amar Kumar is listed as an inventor on 8 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | De Amar Kumar |
| Total patents | 8 |
| First publication | Nov 17, 2016 |
| Latest publication | Dec 4, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Railroad tank cars formed of low-carbon, high toughness, steel plates
US-12421585-B2 · Sep 23, 2025 · US
Production of HIC-resistant pressure vessel grade plates using a low-carbon composition
US-11352683-B2 · Jun 7, 2022 · US
Railroad tank cars formed of low-carbon, high toughness, steel plates
US-2022025496-A1 · Jan 27, 2022 · US
Ni—Al base material having optimized oxidation resistant at high temperatures and furnace transfer rolls made therefrom
US-11060169-B2 · Jul 13, 2021 · US
Production of hic-resistant pressure vessel grade plates using a low-carbon composition
US-2020377979-A1 · Dec 3, 2020 · US
Production of HIC-resistant pressure vessel grade plates using a low-carbon composition
US-10829839-B2 · Nov 10, 2020 · US
Production of hic-resistant pressure vessel grade plates using a low-carbon composition
US-2016333447-A9 · Nov 17, 2016 · US
Recent patents
Latest publications not already listed above.
No data yet.
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Arcelormittal | 8 |
| ArcelorMital | 1 |
| Acelormittal | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| C22C38/12 | 7 |
| C22C38/02 | 7 |
| C22C38/06 | 7 |
| C22C38/002 | 7 |
| C22C38/04 | 7 |