Patents by Inventor Andre Wartelle

Andre Wartelle 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).

  • Device for scraping the returning side of a conveyor belt
    Patent number: 5845761
    Abstract: A device for scraping the return side of a conveyor belt, includes an elongated block of a resilient material which engages a support profile, said elongated block having a central zone through which it engages the support profile and, on either side of this central zone, a zone wherein the elongated block diverges from the support profile.
    Type: Grant
    Filed: August 9, 1994
    Date of Patent: December 8, 1998
    Inventors: Emmanuel Davidts, Andre Wartelle