Complex filter and water purifier including complex filter
US-9808751-B2 · Nov 7, 2017 · US
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Oh Hyunhwan patents
Oh Hyunhwan is listed as an inventor on 3 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Oh Hyunhwan |
| Total patents | 3 |
| First publication | Jul 23, 2015 |
| Latest publication | Nov 7, 2017 |
Notable patents
Publications ranked by popularity score, then publication date.
Recent patents
Latest publications not already listed above.
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Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Lg Electronics Inc | 3 |
| Moon Kyunghee | 1 |
| Lee Changho | 1 |
| Oh Hyunhwan | 1 |
| Lee Sangduck | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| B01D69/08 | 3 |
| B01D69/087 | 2 |
| B01D2325/026 | 2 |
| B01D69/02 | 2 |
| B01D71/34 | 2 |