Patents by Inventor Larry Redman

Larry Redman 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).

  • Rock dusting apparatus
    Patent number: 8827190
    Abstract: A rock dusting or aggregate distributing apparatus is provided having a cylindrical tank body connected to an air supply unit. A circular member is disposed within the cylindrical tank body between the top member and the bottom member to divide the cylindrical tank body into a top portion and bottom portion, the circular member is configured to inject air from the bottom portion into the top portion in a substantially circumferential direction with respect to an axis of the cylindrical tank body to disperse rock dust or aggregate.
    Type: Grant
    Filed: May 13, 2010
    Date of Patent: September 9, 2014
    Inventor: Larry Redman
  • ROCK DUSTING APPARATUS
    Publication number: 20100288858
    Abstract: A rock dusting or aggregate distributing apparatus is provided having a cylindrical tank body connected to an air supply unit. A circular member is disposed within the cylindrical tank body between the top member and the bottom member to divide the cylindrical tank body into a top portion and bottom portion, the circular member is configured to inject air from the bottom portion into the top portion in a substantially circumferential direction with respect to an axis of the cylindrical tank body to disperse rock dust or aggregate.
    Type: Application
    Filed: May 13, 2010
    Publication date: November 18, 2010
    Inventor: Larry Redman
  • Single roller concrete finishing machine
    Patent number: 6474906
    Abstract: A single roller concrete finishing machine for finishing a concrete surface includes a primary motorized unit and a secondary unmotorized unit disposed on each side of a surface to be paved, with a single roller disposed on the unfinished surface which connects the primary unit and the secondary unit. The primary unit includes a first base having an elongated first handle having two ends, one end of the first handle being connected to the first base, and the other end of the first handle being connected to handlebars, below which an engaging lever is disposed. The secondary unit includes a second base with an elongated second handle similar to the first handle, but without the engaging lever. The handles of each of the primary unit and the secondary unit are swingably adjustable in a horizontal plane to aid in the leveling of the concrete surface to be finished. The primary unit has an engine mounted on the first base, and a mechanism to rotate the roller.
    Type: Grant
    Filed: December 10, 1999
    Date of Patent: November 5, 2002
    Assignee: Terramite Corporation
    Inventors: John Cunningham, Jay Phillips, Larry Redman, Virgil Sargent, Carl McCormick
  • Single roller concrete finishing machine
    Patent number: D447152
    Type: Grant
    Filed: December 10, 1999
    Date of Patent: August 28, 2001
    Assignee: Terramite Corporation
    Inventors: John Cunningham, Jay Phillips, Larry Redman, Virgil Sargent, Carl McCormick