Patents by Inventor Arthur F. Luedtke

Arthur F. Luedtke has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Apparatus and method for cleaning and restoring floor surfaces
    Patent number: 5716260
    Abstract: A cleaning and restoration system 10 for floors 11 and other hard surfaces is disclosed. The system 10 has an cleaning head 12 which can be moved across a floor 11 or other hard surface. The cleaning head 12 impinges particulate media upon the floor 11 to remove soils and provide a slip-resistant surface. The media is entrained into the air by a pressure tank 18. The media is reclaimed in a classifier 17; and the dust, soils, and other undesirable materials are filtered in a dust collector 57. A compressor 20 and a vacuum blower 22, and other components of the system are mounted on a truck 19. A method for utilizing the restoration system 10 is also disclosed.
    Type: Grant
    Filed: February 3, 1995
    Date of Patent: February 10, 1998
    Assignee: Ecolab Inc.
    Inventors: Ellis L. Griffin, Terry J. Klos, John J. Rolando, Arthur F. Luedtke, Paulette D. Stolte