Patents by Inventor Evan S. Prichard

Evan S. Prichard 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).

  • Trailer transit mixer
    Patent number: 4340309
    Abstract: A trailer transit mixer is disclosed which includes two oppositely positioned support members at least one of which is pivotably attached to a center frame and to a supporting wheel structure. Power means extend between and are secured to at least one of the support members and the center frame and upon activation the power means cause pivoting of the support members to which they are attached to contract the trailer transit mixer.
    Type: Grant
    Filed: June 25, 1980
    Date of Patent: July 20, 1982
    Assignee: Challenge-Cook Bros., Incorporated
    Inventor: Evan S. Prichard
  • Trailer transit mixer
    Patent number: 4243328
    Abstract: A trailer transit mixer including two oppositely positioned pairs of support members pivotably attached to a center frame and to forward and rear wheel structures. Power means extending between and secured to the pairs of support members and the center frame when activated cause pivoting of the support members to contract the trailer transit mixer.
    Type: Grant
    Filed: July 16, 1979
    Date of Patent: January 6, 1981
    Assignee: Challenge-Cook Bros. Incorporated
    Inventor: Evan S. Prichard
  • Mixer attachment for mining vehicles
    Patent number: 4032116
    Abstract: A mixer attachment for reception in or substitute for the forwardly directed scoop provided on the front end of a mining vehicle, the mixer being primarily adapted for concrete which is applied to the mine walls by a companion machine, and includes a supporting means for storing the mixer in a draining position when not in use.
    Type: Grant
    Filed: December 31, 1975
    Date of Patent: June 28, 1977
    Assignee: Challenge-Cook Bros., Incorporated
    Inventor: Evan S. Prichard