Patents by Inventor Michael E. Greer

Michael E. Greer 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).

  • Slush ice making system and methods
    Patent number: 4907415
    Abstract: The invention provides apparatus and a method for making slush ice. A liquid is directed to flow over a hot exchanger to cool the liquid and form slush. By selecting the constituents of the liquid such that the adhesion and cohesion forces are controlled to permit harvesting the slush while substantially all of the energy required by conventional harvesting cycles is saved.
    Type: Grant
    Filed: November 23, 1988
    Date of Patent: March 13, 1990
    Assignee: The Curator of the University of Missouri
    Inventors: William E. Stewart, Jr., Michael E. Greer, Carol L. G. Dona
  • Outdoor support post apparatus
    Patent number: 4843746
    Abstract: An outdoor sign post apparatus adapted for selective assembly and disassembly, utilizes an anchor ground rod, a base post member with a central longitudinal opening for mounting on the ground rod, an extension post member for telescopical mounting to the base post member in alignment therewith, and a cross post member compatibly notched with the extension post member for mounting thereto in substantially perpendicular relationship. The components of the sign post apparatus are easy to erect and dismantle and to readily transport so as to facilitate repeated temporary use thereof.
    Type: Grant
    Filed: January 11, 1988
    Date of Patent: July 4, 1989
    Assignee: Signlite Services, Inc.
    Inventors: Daniel P. DesNoyers, Michael E. Greer, Albert J. Aguallo