Patents by Inventor Andreas H. W. Wilchern

Andreas H. W. Wilchern 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).

  • Rf quadrature coil system for an MRI apparatus
    Patent number: 4987370
    Abstract: An rf quadrature coil system comprises two coil pairs, each of which consists of two coils; only one of the two coils of each pair is connected to an rf transmitter or rf receiver. High-quality factors and a high homogeneity of the rf field are thus obtained.
    Type: Grant
    Filed: June 13, 1989
    Date of Patent: January 22, 1991
    Assignee: U.S. Philips Corporation
    Inventors: Christoph G. Leussler, Andreas H. W. Wilchern