Patents by Inventor Fritz Caspers

Fritz Caspers 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).

  • High power high frequency loads for energy recovery
    Patent number: 9537196
    Abstract: A radio frequency load for absorbing a radio frequency wave having a frequency in a predetermined frequency band and a wavelength comprises a waveguide with a portion having an opening for said radio frequency wave. In addition, the radio frequency load comprises at least one metal rod provided in said waveguide, said at least one metal rod having a length of one-half of said wavelength to damp said radio frequency wave.
    Type: Grant
    Filed: August 28, 2012
    Date of Patent: January 3, 2017
    Assignee: CERN—European Organization for Nuclear Research
    Inventors: Silke Federmann, Fritz Caspers, Michael Betz
  • Reduction of multipacting by means of spatially varying magnetization
    Patent number: 8723617
    Abstract: The present invention discloses an apparatus comprising an enclosure (10) suitable for forming a vacuum therein and means for at least partially suppressing the multipacting effect when a RF or microwave electromagnetic field is generated in said vacuum. In the apparatus, the means for at least partially suppressing the multipacting effect comprises means (12) for passively generating a locally varying magnetic field (16) in the vicinity of at least a portion of the inner surface of said enclosure.
    Type: Grant
    Filed: October 22, 2008
    Date of Patent: May 13, 2014
    Assignee: CERN—European Organization for Nuclear Research
    Inventor: Fritz Caspers
  • Reduction of multipacting by means of spatially varying magnetization
    Publication number: 20110205002
    Abstract: The present invention discloses an apparatus comprising an enclosure (10) suitable for forming a vacuum therein and means for at least partially suppressing the multipacting effect when a RF or microwave electromagnetic field is generated in said vacuum. In the apparatus, the means for at least partially suppressing the multipacting effect comprises means (12) for passively generating a locally varying magnetic field (16) in the vicinity of at least a portion of the inner surface of said enclosure.
    Type: Application
    Filed: October 22, 2008
    Publication date: August 25, 2011
    Applicant: CERN - EUROPEAN ORGANIZATION FOR NUCLEAR RESEARCH
    Inventor: Fritz Caspers