Patents by Inventor Ralph Grier

Ralph Grier 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).

  • Apparatus for operating commodity trailer hopper trap doors
    Publication number: 20050200191
    Abstract: An apparatus for operating first and second commodity trailer hopper trap doors is provided that includes a support frame extending between first and second ends, first and second driveshaft assemblies attached at each end of the support frame, a motor assembly attached to the support frame, and first and second linking mechanisms coupled between the motor assembly and the first and second driveshaft assemblies such that the motor assembly is operable to move the first and second linking mechanisms and thereby rotate the first and second driveshaft assemblies, thus operating the commodity trailer hopper trap doors. Various embodiments of the apparatus are provided.
    Type: Application
    Filed: May 11, 2005
    Publication date: September 15, 2005
    Inventor: Ralph Grier
  • Apparatus for operating commodity trailer hopper trap doors
    Publication number: 20050168047
    Abstract: An apparatus for operating first and second commodity trailer hopper trap doors is provided that includes a support frame extending between first and second ends, first and second driveshaft assemblies attached at each end of the support frame, a motor assembly attached to the support frame, and first and second linking mechanisms coupled between the motor assembly and the first and second driveshaft assemblies such that the motor assembly is operable to move the first and second linking mechanisms and thereby rotate the first and second driveshaft assemblies, thus operating the commodity trailer hopper trap doors. Various embodiments of the apparatus are provided.
    Type: Application
    Filed: February 4, 2004
    Publication date: August 4, 2005
    Inventor: Ralph Grier