Patents by Inventor Gerhard Loew

Gerhard Loew 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).

  • Method for operating an x-ray tube
    Patent number: 5910974
    Abstract: An x-ray tube has an anode and a cathode arrangement mounted at a distance from the anode and having an electron emitter, the cathode arrangement containing structure for focusing the electron beam that emanates from the electron emitter during operation of the x-ray tube and which is incident on the anode in a focal spot, the focus of the electron beam being located between the electron emitter and the focal spot.
    Type: Grant
    Filed: October 3, 1997
    Date of Patent: June 8, 1999
    Assignee: Siemens Aktiengesellschaft
    Inventors: Helmut Kuhn, Walter Doerfler, Gerhard Loew, Bernhard Ciolek
  • X-ray tube
    Patent number: 5742662
    Abstract: An x-ray tube has an anode and a cathode arrangement mounted at a distance from the anode and having an electron emitter, the cathode arrangement containing structure for focusing the electron beam that emanates from the electron emitter during operation of the x-ray tube and which is incident on the anode in a focal spot, the focus of the electron beam being located between the electron emitter and the focal spot.
    Type: Grant
    Filed: March 15, 1996
    Date of Patent: April 21, 1998
    Assignee: Siemens Aktiengesellschaft
    Inventors: Helmut Kuhn, Walter Doerfler, Gerhard Loew, Bernhard Ciolek