Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7273041 | Fuel system combination valve for an internal combustion engine and such a fuel system | Anders Larsson, Peter Davidsson | 2007-09-25 |
| 4480655 | Liquid-plug-creating device | Pentti Kosonen, Melchiorre Oldani | 1984-11-06 |
| 4190910 | Plumbing apparatus including means for producing a water-plug effect in sanitation appliances | Melchiorre Oldani | 1980-03-04 |