Patents by Inventor Erland Hagman

Erland Hagman 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).

  • Publication number: 20030007304
    Abstract: In a preferred embodiment, an integrated DC shunt and contactor, including; a contactor (30); a shunt assembly (52): and the shunt assembly being connected directly to the contactor without any intervening electrically conductive materials disposed therebetween.
    Type: Application
    Filed: June 3, 2002
    Publication date: January 9, 2003
    Inventors: Jay Merkle, Erland Hagman, Stephen Langdon
  • Patent number: 5738344
    Abstract: A workpiece support is provided that is locked in its normal state. A balanced system of spring force is provided to lock the positioner in a chosen position. It will remain in the selected position until fluid pressure is provided to release it. The unit is designed to provide a large surface area for the fluid pressure.
    Type: Grant
    Filed: April 1, 1996
    Date of Patent: April 14, 1998
    Inventor: Erland Hagman