Exhaust pipe structure having variable confluence portion
US-10161287-B2 · Dec 25, 2018 · US
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Hwang Dae-Gil patents
Hwang Dae-Gil is listed as an inventor on 6 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Hwang Dae-Gil |
| Total patents | 6 |
| First publication | Sep 12, 2017 |
| Latest publication | Dec 25, 2018 |
Notable patents
Publications ranked by popularity score, then publication date.
Muffler device including central common active control valve
US-10119442-B2 · Nov 6, 2018 · US
Exhaust pipe structure having variable confluence portion
US-2017362990-A1 · Dec 21, 2017 · US
Structure of exhaust pipe
US-2017298802-A1 · Oct 19, 2017 · US
Muffler device including central common active control valve
US-2017276041-A1 · Sep 28, 2017 · US
Active aero flap apparatus for muffler of vehicle
US-9758201-B1 · Sep 12, 2017 · US
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 |
|---|---|
| Hyundai Motor Co Ltd | 6 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| F01N1/168 | 5 |
| F01N13/08 | 5 |
| F01N13/04 | 3 |
| F01N13/082 | 3 |
| F01N1/163 | 3 |