Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8826868 | Reciprocating internal combustion engine | Paul Shih-Hsi Pien | 2014-09-09 |
| 8051827 | Applying the law of conservation of energy to the analysis and design of internal combustion engines | Paul Shih-Hsi Pien | 2011-11-08 |
| 7640911 | Two-stroke, homogeneous charge, spark-ignition engine | — | 2010-01-05 |
| 7114485 | Over expanded two-stroke engines | — | 2006-10-03 |
| 6848416 | Over expanded limited-temperature cycle two-stroke engines | — | 2005-02-01 |
| 6799542 | Engine having piston-cam assembly powertrain | — | 2004-10-05 |
| 6481206 | Compound cycle internal combustion engine | — | 2002-11-19 |
| 6422196 | Piston engine powertrain | — | 2002-07-23 |
| 5803039 | Piston-cylinder assembly and drive transmitting means | — | 1998-09-08 |
| 5626113 | Piston-cylinder assembly and drive transmitting means | — | 1997-05-06 |
| 5327911 | Universal contraceptive and prophylactic device | — | 1994-07-12 |
| RE34252 | Multi-fuel compression-ignition engine and fuel injection pump therefor | — | 1993-05-18 |
| 5163397 | Hot pilot fuel ignited internal combustion engine and method of operating same | — | 1992-11-17 |
| 5072699 | Internal combustion engine | — | 1991-12-17 |
| 5024195 | Multi-fuel compression-ignition engine and fuel injection pump therefor | — | 1991-06-18 |
| 4306839 | Semi-tandem marine propeller | — | 1981-12-22 |