Patents by Inventor Raymond R. Shinn

Raymond R. Shinn 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).

  • Patent number: 4315375
    Abstract: An improved earth moving bucket which includes a plurality of hemispherical, wear-resistant members bonded directly to the undersurface of the bottom wall of the bucket. The outer, earth-contacting, sidewalls of the bucket may also be provided with hemispherical members. The hemispherical members have a hardness at least as great but no more than 95 units of hardness on the Brinell scale greater than the walls to which they are attached. The hemispherical members are preferably placed on the walls in a staggered row arrangement wherein adjacent hemispherical members are at no greater distance from one another than the diameter of the largest of adjacent members.
    Type: Grant
    Filed: July 21, 1980
    Date of Patent: February 16, 1982
    Inventor: Raymond R. Shinn