Patents by Inventor DeLaun T. Messick

DeLaun T. Messick 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).

  • Check valve
    Patent number: 6152171
    Abstract: A check valve is positioned in and between opposed tube ends and includes a valve body having a valve seat engageable by a valve element having a stem extending centrally of peripherally spaced apart elements interconnected by an annular end shoulder engaged by a keeper which receives the outer end of the valve stem and holds a coil spring against the valve element. The valve assembly is disassembled by manipulating the keeper against the spring out of engagement with the annular end shoulder.
    Type: Grant
    Filed: October 27, 1999
    Date of Patent: November 28, 2000
    Assignee: International Valve Corp.
    Inventors: DeLaun T. Messick, Mark A. Novak
  • Check valve
    Patent number: 6039073
    Abstract: A check valve is positioned in and between opposed tube ends and includes a valve body having a valve seat engageable by a valve element having a stem extending centrally of peripherally spaced apart elements interconnected by an annular end shoulder engaged by a keeper which receives the outer end of the valve stem and holds a coil spring against the valve element. The valve assembly is disassembled by manipulating the keeper against the spring out of engagement with the annular end shoulder.
    Type: Grant
    Filed: March 2, 1999
    Date of Patent: March 21, 2000
    Assignee: International Valve Corporation
    Inventors: DeLaun T. Messick, Mark A. Novak
  • Valve and pipe coupling assembly
    Patent number: 5033503
    Abstract: An annular shoulder on a valve body is clamped between opposite end portions of adjacent pipes locked together by a single clamp. Sealing is provided by O-rings positioned on the valve body on opposite sides of the annular shoulder between the valve body and the pipe sections.
    Type: Grant
    Filed: May 1, 1990
    Date of Patent: July 23, 1991
    Assignee: Check-all Valve Mfg. Co.
    Inventors: Richard Horton, DeLaun T. Messick, Thomas A. Jensen