Patents by Inventor Ralf Knoch

Ralf Knoch 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).

  • Coal charging car for charging chambers in a coke-oven battery
    Patent number: 6099229
    Abstract: A coal charging car for a coke-oven battery has a screw-type feeder beneath the coal hopper shiftable on the chassis of the car to allow positioning of the outlet of that feeder over the hole communicating with the coking chamber without moving the car.
    Type: Grant
    Filed: September 23, 1998
    Date of Patent: August 8, 2000
    Assignee: Thyssen Krupp Encoke GmbH
    Inventor: Ralf Knoch