Patents by Inventor Richard Henry Dumm

Richard Henry Dumm 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).

  • Portable batch pasteurizer
    Patent number: 6276264
    Abstract: A portable batch pasteurizer for pasteurization or other heat treatment of contained fluids for consumption by animals or humans provides a heat transfer coil through which hot or cold fluids are pumped to heat or cool the fluid in which it is immersed. An impeller circulates the fluid in which the fluid is contained to ensure even heating or cooling.
    Type: Grant
    Filed: October 24, 2000
    Date of Patent: August 21, 2001
    Assignee: Dairy Tech INC
    Inventor: Richard Henry Dumm