Bleaching tower and method for nitric acid production
US-12252399-B2 · Mar 18, 2025 · US
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Oien Halvor patents
Oien Halvor is listed as an inventor on 2 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Oien Halvor |
| Total patents | 2 |
| First publication | Apr 21, 2022 |
| Latest publication | Mar 18, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Bleaching tower and method for nitric acid production
US-2022119258-A1 · Apr 21, 2022 · US
Recent patents
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Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Yara Int Asa | 2 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| B01D53/1418 | 2 |
| B01D53/185 | 2 |
| B01D2257/40 | 2 |
| C01B21/46 | 2 |
| C01B21/40 | 2 |