Patents by Inventor Randall E. Allen

Randall E. Allen 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).

  • Peristaltic precision metering device, system and method of use thereof
    Patent number: 7607554
    Abstract: The invention relates generally to a peristaltic precision metering device, system and method of using the same. Disclosed is a metering device which includes a metering element that can engage with a compressible material line, wherein the metering device can place a selectable peristaltic effect upon the material in the line. Also disclosed is a metering system comprised of a metering device similar to above and a control system attached to the metering element and a robotic positioning system also attached to the metering device. Finally disclosed is a method of precision material dispensing comprised of providing a metering element and base, positioning a compressible material line between the metering element and base, moving one of the base, metering element, material line, or combination thereof, thereby causing a peristaltic effect upon material in the line, and dispensing a precise unit of material from the device.
    Type: Grant
    Filed: July 31, 2003
    Date of Patent: October 27, 2009
    Assignee: Precision Valve and Automation, Inc.
    Inventors: Anthony J. Hynes, Randall E. Allen