Patents by Inventor James H Hahn, deceased

James H Hahn, deceased 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: 6064135
    Abstract: The coils on the disc-type armature of an electromechanical machine are all wound in the same direction (rotational sense). The coils on each face of the armature are formed into at least two series connected groups of coils which are disposed on the surface of the member so that each coil of one group is located between two coils from another group, and power is commutated to the groups of coils so that they conduct current in opposite directions.
    Type: Grant
    Filed: April 7, 1998
    Date of Patent: May 16, 2000
    Assignee: David H. Rush
    Inventor: James H Hahn, deceased