Patents by Inventor Frank R. Zinn

Frank R. Zinn 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: 4691733
    Abstract: A valve cover assembly and support member having opposed slots extending downwardly from the upper end thereof and extending into the lower end of a conventional valve cover to lock the valve against rotation and hold the valve in an upright position.
    Type: Grant
    Filed: July 3, 1986
    Date of Patent: September 8, 1987
    Assignee: Bingham & Taylor
    Inventor: Frank R. Zinn
  • Patent number: 4030519
    Abstract: A valve cover for covering a buried valve and permitting access thereto with a two piece, rigid plastic housing having a square cross section which resists rotation in the ground. The housing is capped with a cast iron collar which fits inside the top end of the housing and has apertures in the portions engaging the housing walls through which the plastic extends to lock the collar to the housing. Adjacent the lower end of the housing are opposing apertures in the housing walls through which the pipes extend from the valve. A plurality of fingers extend outward from the housing about each aperture to form a tapering passage which will accommodate different sizes of pipes.
    Type: Grant
    Filed: April 23, 1976
    Date of Patent: June 21, 1977
    Assignee: Bingham and Taylor
    Inventor: Frank R. Zinn