Patents by Inventor Kurt R. Papsdorf

Kurt R. Papsdorf 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).

  • Roof tiles and fastening devices
    Patent number: 4787190
    Abstract: The invention provides a roof tile which is designed in such a way as to interlock and slidingly engage with all surrounding neighbor roof tiles such that lifting of the top tiles from the bottom tiles is prevented. The invention further provides a roofing system comprising these roof tiles. Moreover, the invention provides fastening elements and profiles for securing the roof tiles to purlins.
    Type: Grant
    Filed: May 8, 1987
    Date of Patent: November 29, 1988
    Assignee: Evertile Building Systems Canada Ltd.
    Inventor: Kurt R. Papsdorf
  • Combustion unit
    Patent number: 4254617
    Abstract: This invention relates to combustion units in which combustible fluids are fed to a combustion chamber and burnt, and in which the resulting combustion gases are used to drive a power output.
    Type: Grant
    Filed: November 9, 1978
    Date of Patent: March 10, 1981
    Assignee: Deams (Proprietary) Limited
    Inventor: Kurt R. Papsdorf