Patents by Inventor Jan N. Heath

Jan N. Heath 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).

  • Universal silk screen coating machine
    Patent number: 5346577
    Abstract: A universal coating machine includes a frame and means for securing either a holding means for a liquid emulsion or a means for supporting and supplying a film. The securing means is operatively connected to the frame. The securing means is rotatable between a first position and second position. The securing means is biased to return to the first position when the emulsion or film is being applied to the screen.
    Type: Grant
    Filed: October 7, 1991
    Date of Patent: September 13, 1994
    Assignee: The Chromaline Corporation
    Inventors: Roderick D. Johnson, Jan N. Heath
  • Method and apparatus for applying a liquid emulsion to a screen
    Patent number: 5093160
    Abstract: A method and apparatus for applying a liquid emulsion to a screen. The apparatus includes a rotatable trough holding a liquid emulsion, which is mounted to allow the trough to rotate and coat the screen with the emulsion as the screen is moved over the trough.
    Type: Grant
    Filed: October 2, 1990
    Date of Patent: March 3, 1992
    Assignee: The Chromaline Corporation
    Inventors: Roderick D. Johnson, Jan N. Heath