Patents by Inventor Herbert Rohrig

Herbert Rohrig 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).

  • Test device for determining adhesive strength of lacquer on a tube
    Patent number: 5085074
    Abstract: The device includes a base plate with a recessed seating for the shoulder of a tube with a threaded neck and a compressing mechanism engaging the open end of the tube body, the compressing mechanism being mounted axially with respect to the tube. The compressing mechanism is a reciprocable rod (20) which, on the end thereof facing the base plate (26), has a clamping head (30) for clamping the open end of the tube body. In a conical recess in the base plate (26), there is provided an internally threaded bore for screwing in the threaded neck of the tube (1).
    Type: Grant
    Filed: March 14, 1991
    Date of Patent: February 4, 1992
    Assignee: Madaus AG
    Inventors: Roger Nolte, Herbert Rohrig, Franz-Josef Roth
  • Optical scanning apparatus
    Patent number: 4415811
    Abstract: An apparatus for the optical scanning of objects in which the light from at least one light source falls on at least one light-sensitive sensor and the objects to be scanned are disposed between the light source and the sensor. The sensor comprises a large-area solar cell and an aperture mask conforming to the contours of the object to be scanned disposed between the surface of the solar cell and the object to be scanned.
    Type: Grant
    Filed: August 25, 1981
    Date of Patent: November 15, 1983
    Assignee: Dr. Madaus & Co.
    Inventors: Jurgen Beck, Herbert Rohrig