Patents by Inventor Marcel J. M. Kruip

Marcel J. M. Kruip 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: 4968915
    Abstract: A cyclotron includes a magnetic field generating assembly defined by a pair of main, superconducting coils mounted about the axis of the cyclotron on a former. The coils are surrounded by an ion shield positioned within a cryostat. Radially outwardly of the shield are positioned a pair of coils which guide most or all of the magnetic flux due to the coils leaking out of the shield back into the shield.
    Type: Grant
    Filed: June 15, 1989
    Date of Patent: November 6, 1990
    Assignee: Oxford Instruments Limited
    Inventors: Martin N. Wilson, Marcel J. M. Kruip