Patents by Inventor Gary W. Wietgrefe

Gary W. Wietgrefe 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: 8442675
    Abstract: An apparatus and method is provided for coordinating automated package and bulk dispensing at a remote site. A hopper apparatus includes a series of storage compartments and access doors. The compartments and doors are linked to a PLC that is further linked to an inventory provider. The inventory provider takes product orders from an end-user. The end-user is provided an end-user access code. The inventory provider communicates with the PLC and reserves for the ordered product(s) a vacant storage compartment(s). The inventory provider delivers the product(s) ordered by the end-user to the hopper apparatus. Upon delivery, the inventory provider enters the appropriate end-user access code(s), causing the PLC to open the storage compartment(s) previously reserved by the inventory provider for the products ordered by the end-user. The inventory provider loads the appropriate storage compartment(s) with the end-user product(s).
    Type: Grant
    Filed: September 25, 2009
    Date of Patent: May 14, 2013
    Assignee: Syngenta Participations AG
    Inventor: Gary W. Wietgrefe
  • Patent number: 8387824
    Abstract: Apparatuses and methods relating to hoppers and the dispensing of bulk therefrom are provided. The hopper can include hopper walls that form a product storage receptacle. The hopper can also include a hopper door that includes a frame and a slide gate disposed within the frame. The slide gate is retractable between an open position and a closed position. A set of fingers projects from the slide gate to dislodge material proximate to the hopper door. Further, a port can be provided through at least one of the fingers of the set of fingers with the port configured to inject a fluid into the hopper.
    Type: Grant
    Filed: October 23, 2009
    Date of Patent: March 5, 2013
    Assignee: Syngenta Participations AG
    Inventor: Gary W. Wietgrefe
  • Publication number: 20100108711
    Abstract: Apparatuses and methods relating to hoppers and the dispensing of bulk therefrom are provided. The hopper can include hopper walls that form a product storage receptacle. The hopper can also include a hopper door that includes a frame and a slide gate disposed within the frame. The slide gate is retractable between an open position and a closed position. A set of fingers projects from the slide gate to dislodge material proximate to the hopper door. Further, a port can be provided through at least one of the fingers of the set of fingers with the port configured to inject a fluid into the hopper.
    Type: Application
    Filed: October 23, 2009
    Publication date: May 6, 2010
    Inventor: Gary W. Wietgrefe
  • Publication number: 20100017021
    Abstract: An apparatus and method is provided for coordinating automated package and bulk dispensing at a remote site. A hopper apparatus includes a series of storage compartments and access doors. The compartments and doors are linked to a PLC that is further linked to an inventory provider. The inventory provider takes product orders from an end-user. The end-user is provided an end-user access code. The inventory provider communicates with the PLC and reserves for the ordered product(s) a vacant storage compartment(s). The inventory provider delivers the product(s) ordered by the end-user to the hopper apparatus. Upon delivery, the inventory provider enters the appropriate end-user access code(s), causing the PLC to open the storage compartment(s) previously reserved by the inventory provider for the products ordered by the end-user. The inventory provider loads the appropriate storage compartment(s) with the end-user product(s).
    Type: Application
    Filed: September 25, 2009
    Publication date: January 21, 2010
    Inventor: Gary W. Wietgrefe
  • Patent number: 7640075
    Abstract: An apparatus and method is provided for coordinating automated package and bulk dispensing at a remote site. A hopper apparatus includes a series of storage compartments and access doors. The compartments and doors are linked to a PLC that is further linked to an inventory provider. The inventory provider takes product orders from an end-user. The end-user is provided an end-user access code. The inventory provider communicates with the PLC and reserves for the ordered product(s) a vacant storage compartment(s). The inventory provider delivers the product(s) ordered by the end-user to the hopper apparatus. Upon delivery, the inventory provider enters the appropriate end-user access code(s), causing the PLC to open the storage compartment(s) previously reserved by the inventory provider for the products ordered by the end-user. The inventory provider loads the appropriate storage compartment(s) with the end-user product(s).
    Type: Grant
    Filed: January 17, 2006
    Date of Patent: December 29, 2009
    Assignee: Syngenta Participations AG
    Inventor: Gary W. Wietgrefe
  • Patent number: D549755
    Type: Grant
    Filed: January 17, 2006
    Date of Patent: August 28, 2007
    Inventors: Gary W. Wietgrefe, David G. Struxness, Leland J. Erickson, Jarud H. Hoefker, Zachary B. Johnson, Jason M Schwiderski, David J. Gelhar, Jeff A. Schultz, Kevin R. Wald, Todd E. Osman, Jason J. Dehne, John V. Roberts