Patents by Inventor Donald Craig Dunlap

Donald Craig Dunlap 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).

  • Thermally Enhanced Lime Slurry Apparatus
    Publication number: 20150146499
    Abstract: A single entity lime slurry transport and delivery apparatus is shown having a slurry tank body mounted on a unitary frame. A suction pump on the apparatus delivers slurry to a job site. A power unit on the frame powers a hydraulic mixing motor and the hydraulic suction pump. Selectable thermal management devices are located on the unitary frame, including at least a fuel heater, an engine coolant water heater, a hydraulic fluid warmer and heat exchanger, and heating elements associated with other hydraulic components of the apparatus.
    Type: Application
    Filed: May 30, 2014
    Publication date: May 28, 2015
    Applicant: Lhoist North America, Inc.
    Inventors: Bobby Lawrence Crabb, Donald Craig Dunlap