Assignee
DULEVO SPA
IT·5 granted patents·484 citations·filing 1986–1989
Top patents by PatentIndex Score
5 records- 0193US4716621AFloor and bounded surface sweeper machineDULEVO SPA·Filed 1986·Granted Jan 5, 1988·212 cites·8 claims
- 0292US4754521AStreet sweeper machine for trash collectingDULEVO SPA·Filed 1986·Granted Jul 5, 1988·137 cites·12 claims
- 0385US4884313AStreet sweeper machine with trash pick-up and transport capabilitiesDULEVO SPA·Filed 1988·Granted Dec 5, 1989·56 cites·12 claims
- 0477US4993107AFiltering and collecting device of solid and powder refuse for industrial and civil suction apparatusDULEVO SPA·Filed 1989·Granted Feb 19, 1991·48 cites·10 claims
- 0563US4862548AScraping device for floor and surface cleaning machinesDULEVO SPA·Filed 1988·Granted Sep 5, 1989·31 cites·10 claims
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