Patents by Inventor Dan Brian F. Fajayan

Dan Brian F. Fajayan 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: 8020582
    Abstract: An excess flow valve having a housing, a valve seat, a poppet and an adjusting ring. The adjusting ring lies within a bore in the housing and there is an opening through the housing permitting access to the adjustment ring from outside the bore of the housing. Rotation of the adjusting ring controls the maximum travel distance between the poppet and the valve seat. In an embodiment a travelling valve guide is rotatably mounted within the adjustment ring to change the maximum travel distance between the poppet and the valve seat. A spring may bias the poppet and the valve seat away from each other.
    Type: Grant
    Filed: January 27, 2007
    Date of Patent: September 20, 2011
    Assignee: Plainsman Manufacturing Inc.
    Inventors: Mark A. Lea-Wilson, Dan Brian F. Fajayan
  • Publication number: 20080178946
    Abstract: An excess flow valve having a housing, a valve seat, a poppet and an adjusting ring. The adjusting ring lies within a bore in the housing and there is an opening through the housing permitting access to the adjustment ring from outside the bore of the housing. Rotation of the adjusting ring controls the maximum travel distance between the poppet and the valve seat. In an embodiment a travelling valve guide is rotatably mounted within the adjustment ring to change the maximum travel distance between the poppet and the valve seat. A spring may bias the poppet and the valve seat away from each other.
    Type: Application
    Filed: January 27, 2007
    Publication date: July 31, 2008
    Applicant: PLAINSMAN MANUFACTURING INC.
    Inventors: Mark A. Lea-Wilson, Dan Brian F. Fajayan