Patents by Inventor Cornelis Hendricus Luiten

Cornelis Hendricus Luiten 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).

  • Method and apparatus for gas circulation in a heat treating furnace
    Patent number: 4086050
    Abstract: The method for gas circulation in a furnace, such as a vacuum furnace, for the heat treatment of work pieces wherein the gas is caused to circulate with turbulence while avoiding a set or stable flow pattern and the vacuum furnace adapted to carry out this method by means of fans so located and operated as to circulate the gas with turbulence and vorticity.
    Type: Grant
    Filed: January 5, 1976
    Date of Patent: April 25, 1978
    Assignee: Ipsen Industries International
    Inventors: Cornelis Hendricus Luiten, Ferdinand Limque