Patents by Inventor Willibald Knott

Willibald Knott 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).

  • X-ray tube with multiple differently sized focal spots and method for operating same
    Patent number: 5511105
    Abstract: An x-ray tube has an anode whose target area is divided into regions formed of different materials, whereby focal spots of different size can be optionally generated in each of the regions. The focal spots belonging to one region are respectively generated at different locations but all focal spots are generated so close together that the focal position is essentially the same for all focal spots. An operating method for such an x-ray tube is also disclosed.
    Type: Grant
    Filed: March 3, 1994
    Date of Patent: April 23, 1996
    Assignee: Siemens Aktiengesellschaft
    Inventor: Willibald Knott