Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6951196 | Reciprocating engine with rocker valve gear | Hans-Rudolf Jenni | 2005-10-04 |
| 6520133 | Reciprocating engine with rocker-arm valve control | Hans-Rudolf Jenni | 2003-02-18 |
| 6439209 | Gas-dynamic pressure wave machine | Roger Martin | 2002-08-27 |
| 6367460 | Gas-dynamic pressure wave machine | Roger Martin | 2002-04-09 |
| 6325054 | Internal combustion engine with pressure wave machine | Roger Martin | 2001-12-04 |
| 6314951 | Gas-dynamic pressure-wave machine | Roger Martin | 2001-11-13 |
| 6089211 | Spark ignition engine with pressure-wave supercharger | — | 2000-07-18 |
| 5542309 | Gearbox | Hans-Rudolf Jenni, Andreas Wuthrich | 1996-08-06 |
| 5357910 | Cylinder block and head cooling system | Hans-Rudolf Jenni, Hans P. Goetti | 1994-10-25 |
| 5295463 | Internal combustion engine with oil pump mounted on the camshaft | Hans-Rudolf Jenni, Hans P. Goetti | 1994-03-22 |
| 4573542 | Load-weighing apparatus for an elevator car | Urs Schlegel, Ljudevit Tomse | 1986-03-04 |