Patents by Inventor George W. Kennel

George W. Kennel 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).

  • Adjustable hexagonal wrench
    Patent number: 5249490
    Abstract: An adjustable wrench having a pair of spring-biased pivoted handles and a plurality of jaw members having fastener-contacting faces actuable by squeezing motion of the handles to close upon a range of sizes of hexagonal fastener members.
    Type: Grant
    Filed: August 17, 1992
    Date of Patent: October 5, 1993
    Inventor: George W. Kennel
  • Rake classifier
    Patent number: 4853115
    Abstract: A rake classifier provides reciprocating movement using crank-mounted drive shafts to establish translatory forward movement as well as lifting and rearward movement of the rake structure.
    Type: Grant
    Filed: July 20, 1988
    Date of Patent: August 1, 1989
    Assignee: Dorr-Oliver Incorporated
    Inventors: George W. Kennel, Matthew J. Rollberg
  • Surface skimmer means for settling tank
    Patent number: 4462909
    Abstract: A surface skimmer means for a settling tank comprises curved skimmer blades extending across the diameter of the tank and are interconnected to and movable with the main rake structure of the tank wherein cam actuated means are provided for pivoting the blades about a pivot arm to the periphery of the tank to move floating material to a collector tank for discharge from the tank.
    Type: Grant
    Filed: April 4, 1983
    Date of Patent: July 31, 1984
    Assignee: Dorr-Oliver Incorporated
    Inventor: George W. Kennel