Patents by Inventor Leon Cramer

Leon Cramer 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).

  • Pulsator apparatus and method of operation
    Patent number: 8561644
    Abstract: A pulsator comprises a valve chamber and an armature arranged in the valve chamber. An electrically powered coil at least partially surrounds the valve chamber and generates a magnetic flux. A magnetic pole piece is arranged in the valve chamber and has a metal surface. The armature has a first end nearest the magnetic pole piece and a second end. The first end of the armature has a metal surface and the second end has a first sealing surface and a second sealing surface.
    Type: Grant
    Filed: April 30, 2010
    Date of Patent: October 22, 2013
    Assignee: Technologies Holdings Corp.
    Inventors: Nicholas E. Schultz, Gary C. Steingraber, Leon Cramer
  • Pulsator Apparatus and Method of Operation
    Publication number: 20110266476
    Abstract: A pulsator comprises a valve chamber and an armature arranged in the valve chamber. An electrically powered coil at least partially surrounds the valve chamber and generates a magnetic flux. A magnetic pole piece is arranged in the valve chamber and has a metal surface. The armature has a first end nearest the magnetic pole piece and a second end. The first end of the armature has a metal surface and the second end has a first sealing surface and a second sealing surface.
    Type: Application
    Filed: April 30, 2010
    Publication date: November 3, 2011
    Inventors: Nicholas E. Schultz, Gary C. Steingraber, Leon Cramer