Patents by Inventor Karlheinz Monkeberg

Karlheinz Monkeberg 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).

  • Process for imparting surface-structures to wood-cement boards
    Patent number: 4468361
    Abstract: A process is created for incorporating surface structures into wood-cement boards which are pressed during cement hardening in a batch press and then are kept in clamping apparatus in the pressed state for a substantial length of time.In the invention the wood-cement boards freed from their plates and after their storage in the clamping apparatus are fed to a calendering system of which the calendering rolls are provided with a surface structure, the wood-cement boards moving between the calender rolls and being provided by these with surface structures on one or on both sides.
    Type: Grant
    Filed: August 18, 1982
    Date of Patent: August 28, 1984
    Assignee: Fulgurit GmbH & Co. Kommanditgesellschaft
    Inventors: Gunter Exner, Karlheinz Monkeberg