Patents by Inventor Andrew Grass

Andrew Grass 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).

  • Bin sweep apparatus effective in two directions of movement
    Patent number: 12180019
    Abstract: A system may include a bin sweep apparatus for moving particles across a floor surface of a storage bin with a forward side for orienting toward a primary direction of movement and a rearward side for orienting toward a secondary direction of movement for the sweep apparatus. The secondary direction may be oriented away from the primary direction. The sweep apparatus may include a housing segment and a paddle sweep assembly carried on the segment. The sweep assembly may include a plurality of interconnected paddles and an endless loop member on which the paddles are mounted. The sweep apparatus may be effective to move particles across the floor surface in the primary direction of movement and in the secondary direction of movement.
    Type: Grant
    Filed: November 15, 2022
    Date of Patent: December 31, 2024
    Assignee: Sioux Steel Company
    Inventors: Andrew Grass, John Steever, Elliott Strain
  • Storage bin sweep system with enhanced peripheral sweep capability
    Patent number: 11618639
    Abstract: A system for moving particles across a floor surface of a storage bin having a peripheral wall extending upwardly from the floor surface. The system may comprise a bin sweep apparatus having an inboard end for locating toward to a central area of the bin and an outboard end for locating toward a peripheral area of the bin. The system may also comprise a peripheral sweeping apparatus configured to mount on the bin sweep apparatus to sweep particles on the floor surface adjacent to the peripheral wall toward the bin sweep apparatus. The peripheral sweeping apparatus may be mounted on the bin sweep apparatus toward the outboard end thereof.
    Type: Grant
    Filed: November 29, 2021
    Date of Patent: April 4, 2023
    Assignee: Sioux Steel Company
    Inventors: Andrew Grass, Elliott Strain, John Steever
  • Storage bin sweep system with enhanced peripheral sweep capability
    Patent number: 11299358
    Abstract: A system for moving particles across a floor surface of a storage bin having a peripheral wall extending upwardly from the floor surface. The system may comprise a bin sweep apparatus having an inboard end for locating toward to a central area of the bin and an outboard end for locating toward a peripheral area of the bin. The system may also comprise a peripheral sweeping apparatus configured to mount on the bin sweep apparatus to sweep particles on the floor surface adjacent to the peripheral wall toward the bin sweep apparatus. The peripheral sweeping apparatus may be mounted on the bin sweep apparatus toward the outboard end thereof.
    Type: Grant
    Filed: February 27, 2020
    Date of Patent: April 12, 2022
    Assignee: Sioux Steel Company
    Inventors: Andrew Grass, Elliott Strain