Patents by Inventor Eric-Olof Sjogren

Eric-Olof Sjogren 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).

  • Car having plural side pouring ladles
    Patent number: 3940021
    Abstract: Apparatus for pouring metals having a reciprocatory ladle car with two tiltable cradles for removably carrying ladles. The ladles in the two cradles are mirror-inversed and have their pouring spouts directed substantially in the same direction and substantially transverse to the direction of travel of the car. The tilting shafts of the cradles are substantially colinear with the center line of the spouts of the ladles placed in the cradles.
    Type: Grant
    Filed: April 3, 1975
    Date of Patent: February 24, 1976
    Assignee: Kockums Jernverksaktiebolag
    Inventors: Rudolf Valentin Sillen, Eric-Olof Sjogren