Patents by Inventor Gary Allman

Gary Allman 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).

  • Communications transformer
    Patent number: 7969270
    Abstract: A communications transformer in which the primary and secondary windings are each divided into equal halves is disclosed. One primary and one secondary half winding is disposed about one section of a magnetic core, while the other halves are disposed about a second, parallel section. Voltages in the primary half windings and secondary half windings caused by stray magnetic fields are subtracted.
    Type: Grant
    Filed: February 23, 2009
    Date of Patent: June 28, 2011
    Assignee: Echelon Corporation
    Inventors: Walter M. Berke, Gary Allman
  • Communications transformer
    Publication number: 20100214052
    Abstract: A communications transformer in which the primary and secondary windings are each divided into equal halves is disclosed. One primary and one secondary half winding is disposed about one section of a magnetic core, while the other halves are disposed about a second, parallel section. Voltages in the primary half windings and secondary half windings caused by stray magnetic fields are subtracted.
    Type: Application
    Filed: February 23, 2009
    Publication date: August 26, 2010
    Inventors: Walter M. Berke, Gary Allman