Filed: March 8, 2000 POWER OPERATED MACHINES FOR CLEANING THE INSIDE OF CONTAINERS AND VESSELS; POWER OPERATED MACHINE TOOLS, NAMELY, FIXED INSTALLED… Owned by:ORECO A/S Serial Number:75938266
Filed: March 6, 2002 TANK-CLEANING MACHINES; HIGH PRESSURE WASHERS; ELECTRIC MACHINES FOR CLEANING TANKS CONTAINING OIL OR PETROCHEMICAL PRODUCTS… Owned by:ORECO A/S Serial Number:76378055
Oil and petrochemical storage tank cleaning equipment, namely tank cleaning nozzles, single nozzle sweepers, centrifugal… Owned by:Oreco A/S Serial Number:78641293