Patents by Inventor Edward B. Howell

Edward B. Howell 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: 4517514
    Abstract: A magnetically suspended magnetic transducer has a first magnetic assembly including a first magnetizable housing with a bottom and upstanding walls defining an interior volume, a pair of opposed, mutually spaced magnets with a pole piece in between, and a coil in the interior volume in flux cutting relationship with the additive magnetic fields generated by the magnetic pair. The second assembly is magnetically suspended above the first assembly and includes a second housing with a closed top and downwardly depending side walls partially surrounding the side walls of the first housing, an additional magnet secured to the inner top surface in opposing magnetic relation to the closest one of the pair of magnets in the first assembly so that the magnetic forces urge the second housing away from the first. A mass secured within the second housing provides a weight of sufficient magnitude to counteract the magnetic force of repulsion tending to separate the two assemblies.
    Type: Grant
    Filed: September 30, 1982
    Date of Patent: May 14, 1985
    Assignee: Design Professionals Financial Corporation
    Inventor: Edward B. Howell
  • Patent number: D307961
    Type: Grant
    Filed: February 25, 1987
    Date of Patent: May 15, 1990
    Inventor: Edward B. Howell
  • Patent number: D338531
    Type: Grant
    Filed: March 18, 1991
    Date of Patent: August 17, 1993
    Inventor: Edward B. Howell