Patents by Inventor Gerhard Donath

Gerhard Donath 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).

  • Electromagnetic filter
    Patent number: 4460464
    Abstract: Electromagnetic filter, including a housing through which medium to be filtered flows, spherical bodies of ferromagnetic material disposed in the housing, a winding for magnetizing the spherical bodies, the spherical bodies having surfaces and particles of higher permeability than the spherical bodies being disposed in the surface with spacings therebetween.
    Type: Grant
    Filed: May 3, 1982
    Date of Patent: July 17, 1984
    Assignee: Kraftwerk Union Aktiengesellschaft
    Inventor: Gerhard Donath