Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9745881 | System for recycling exhaust heat from internal combustion engine | You Sang Son | 2017-08-29 |
| 6932049 | Wing structure of air swirling device for internal combustion engine | — | 2005-08-23 |
| 6840212 | Wing structure of air swirling device for internal combustion engine | — | 2005-01-11 |
| 6414419 | Ignition spark plug | — | 2002-07-02 |
| D414191 | Air flow system for an internal combustion engine | — | 1999-09-21 |
| 5947081 | Air flow system for internal combustion engine | — | 1999-09-07 |
| 5113838 | Air flow system for an internal combustion engine | — | 1992-05-19 |
| 4962642 | Air flow system for an internal combustion engine | — | 1990-10-16 |