Patents by Inventor Hein Kroos

Hein Kroos 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).

  • Patent number: 6280612
    Abstract: The invention relates to a revolving screening rack with a driveable endless screening belt formed by a plurality of screening elements which in each case have a plurality of elongate plates arranged parallel to and at a distance from one another, a bar-shaped connecting element engaging in each case through the plates at their two ends, said connecting element pivotably connecting the plates, engaging one into the other at least in regions, of two screening elements to one another in the manner of a link chain, with a pivotably mounted rack hook element which is capable of being pivotably displaced, at least partially, between two plates located next to one another, and with a steering lever for the rack hook element, said steering lever being pivotably articulated at one end on the rack hook element, said revolving screening rack being distinguished in that the other end (20) of the steering lever (17) is pivotably mounted on the screening belt (2).
    Type: Grant
    Filed: September 28, 2000
    Date of Patent: August 28, 2001
    Assignee: Nogerath Holding GmbH & Co., KG
    Inventor: Hein Kroos