Patents by Inventor Michael T. Sample

Michael T. Sample 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).

  • Hydro mechanical packingless pump and liquid spray system
    Patent number: 5709536
    Abstract: A liquid pumping, handling and spraying system for liquid compositions and especially those liquid coating compositions having a suspension of metal particulate therein which tends to settle out of suspension of metal particulate therein which tends to settle out of suspension quite rapidly and which includes metal particulate having an affinity for adherence to metal surfaces. A fluid supply system is provided which accomplishes continuous agitation of the liquid composition to sprayed to maintain the metal particulate thereof in properly entrained suspension and even distribution with the liquid carrier fluid and which permits the use of low cost, lightweight containers for the liquid supply. A packingless pump is provided for pressurized delivery of the liquid composition from the supply container to a packingless spray gun.
    Type: Grant
    Filed: January 30, 1995
    Date of Patent: January 20, 1998
    Assignee: Titan Tool, Inc.
    Inventors: Wesley E. Renfro, Marty H. Hopkins, Michael T. Sample, James N. Skarzynski