Patents by Inventor Chad C. Hempel

Chad C. Hempel 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).

  • Publication number: 20020049031
    Abstract: A grinder support apparatus for supporting a grinder on a railroad rail. The apparatus comprises a support wheel adapted to roll on a top surface of the rail, and a frame having the support wheel connected thereto. The frame comprises a handle for a user to move the support wheel and frame along the rail and a support section for removably connecting the grinder to the frame. A grinding wheel of the grinder can contact a surface of the rail as the support wheel contacts the top surface.
    Type: Application
    Filed: December 5, 2001
    Publication date: April 25, 2002
    Inventor: Chad C. Hempel
  • Publication number: 20020049032
    Abstract: A grinder support apparatus for supporting a grinder on a railroad rail. The apparatus comprises a support wheel adapted to roll on a top surface of the rail, and a frame having the support wheel connected thereto. The frame comprises a handle for a user to move the support wheel and frame along the rail and a support section for removably connecting the grinder to the frame. A grinding wheel of the grinder can contact a surface of the rail as the support wheel contacts the top surface.
    Type: Application
    Filed: December 5, 2001
    Publication date: April 25, 2002
    Inventor: Chad C. Hempel
  • Patent number: 6358140
    Abstract: A grinder support apparatus for supporting a grinder on a railroad rail. The apparatus comprises a support wheel adapted to roll on a top surface of the rail, and a frame having the support wheel connected thereto. The frame comprises a handle for a user to move the support wheel and frame along the rail and a support section for removably connecting the grinder to the frame. A grinding wheel of the grinder can contact a surface of the rail as the support wheel contacts the top surface.
    Type: Grant
    Filed: October 29, 1999
    Date of Patent: March 19, 2002
    Assignee: FCI USA Inc.
    Inventor: Chad C. Hempel
  • Patent number: 6058794
    Abstract: A cast composite sector gear including a hub made of a first material and an outer gear section made of a second material that is cast onto the hub. The hub is configured such that a secure mechanical bond can be created between the hub and the gear section when the gear section is cast onto the hub. The hub includes a base having a peripheral surface and a gear foundation that extends circumferentially from the peripheral surface about a portion of the base. The gear section is cast onto the gear foundation, and the gear section extends circumferentially about a portion of the hub.
    Type: Grant
    Filed: April 30, 1997
    Date of Patent: May 9, 2000
    Assignee: Accurate Specialties, Inc.
    Inventor: Chad C. Hempel