Patents by Inventor Hans Cemin

Hans Cemin 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).

  • Apparatus for heat treatment of objects by convection
    Patent number: 4534780
    Abstract: A tunnel furnace composed of modular sections, each modular section comprising horizontal and mutually parallel openings occupying the width of a heat treatment enclosure, the openings being beneath the top of a conveyor and adjacent each other in a direction parallel to the direction of travel of the conveyor with each opening extending perpendicular to the direction of travel, such that each opening gives out a sheet of ascending gas, a collecting slot formed in an upper wall of the heat treatment enclosure extending horizontally, mutually parallel, perpendicular to the direction of travel of the conveyor and extending the width of the enclosure, such that the slot collects the sheet of ascending gas, temperature adjusting devices for maintaining the temperature of the collected gas for the module, a circulating fan for accepting the collected gas and circulating the gas via a gas circulation path to the openings after passing through the temperature adjusting devices and a regulating device for controlling
    Type: Grant
    Filed: March 15, 1983
    Date of Patent: August 13, 1985
    Assignee: Societe d'Etudes et Installations Industrielles CNUD S.A.
    Inventor: Hans Cemin