Patents by Inventor Raphael Chiesa

Raphael Chiesa 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).

  • Tool
    Patent number: 6250295
    Abstract: A tool for treatment of rock, masonry or concrete by drilling, grinding or cutting off, the tool has a plurality of cutting segments each having a plurality of bonded cutting bodies formed as diamond crystals and subjected to an abrasive wear during an operation, a tool base body which carries the cutting segments, and at least one marking provided on at least one segment and forming a wear indicator, the at least one marking being arranged so that it changes during operation of the tool with wear of the cutting segments.
    Type: Grant
    Filed: March 4, 1999
    Date of Patent: June 26, 2001
    Assignee: Scintilla AG
    Inventors: Marzell Chanton, Walter Linder, Daniel Jeiziner, Raphael Chiesa