Patents by Inventor Ferdinand Heising

Ferdinand Heising 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).

  • Chain scraper conveyor
    Patent number: 4815586
    Abstract: A chain scraper conveyor having at least one conveyor chain circulating in the conveyor includes drivers which are secured to the chain and which extend from both sides thereof. The drivers include guides that are received in trough channels adjacent the bottom plate of the conveyor. Rollers are provided to support the drivers and to reduce friction.
    Type: Grant
    Filed: February 20, 1987
    Date of Patent: March 28, 1989
    Assignee: Bergwerksverband GmbH
    Inventor: Ferdinand Heising
  • Method of and apparatus for the investigation of inaccessible subterranean spaces such as boreholes
    Patent number: 4657387
    Abstract: A method of and an apparatus for investigating subterranean boreholes especially in bituminous coal mining. Optical fiber cables carry light for illuminating the hole into the latter and an image of the wall of the borehole from the latter to an evaluating means external of the borehole.
    Type: Grant
    Filed: June 7, 1985
    Date of Patent: April 14, 1987
    Assignee: Bergwerksverband GmbH
    Inventors: Ferdinand Heising, Wilhelm Knickmeyer