Patents by Inventor Thomas A Schwabenbauer

Thomas A Schwabenbauer 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).

  • Mine conveying system
    Patent number: 6729464
    Abstract: A conveying system for receiving and conveying material from a mobile material transporter adapted for travel on a floor, the conveying system comprising a main conveyor on the floor, and a main conveyor extension on the floor and having an upper surface. The main conveyor extension comprises a plurality of interconnected frame units, and means for supporting an endless conveyor belt on the interconnected frame units. The conveying system further includes an auxiliary conveyor in contact with and moveable over at least a part of the main conveyor extension upper surface. The auxiliary conveyor comprises a plurality of interconnected frame units identical to the frame units used in the main conveyor extension, means for supporting an endless conveyor belt on the auxiliary conveyor interconnected frame units, and means for driving the endless conveyor belt.
    Type: Grant
    Filed: April 30, 2002
    Date of Patent: May 4, 2004
    Assignee: Joy MM Delaware, Inc.
    Inventors: Terry M. Thomas, Thomas A Schwabenbauer, Lynn N. Wheatcraft
  • Mine conveying system
    Publication number: 20030201151
    Abstract: A conveying system for receiving and conveying material from a mobile material transporter adapted for travel on a floor, the conveying system comprising a main conveyor on the floor, and a main conveyor extension on the floor and having an upper surface. The main conveyor extension comprises a plurality of interconnected frame units, and means for supporting an endless conveyor belt on the interconnected frame units. The conveying system further includes an auxiliary conveyor in contact with and moveable over at least a part of the main conveyor extension upper surface. The auxiliary conveyor comprises a plurality of interconnected frame units identical to the frame units used in the main conveyor extension, means for supporting an endless conveyor belt on the auxiliary conveyor interconnected frame units, and means for driving the endless conveyor belt.
    Type: Application
    Filed: April 30, 2002
    Publication date: October 30, 2003
    Applicant: Joy MM Delaware, Inc.
    Inventors: Terry M. Thomas, Thomas A. Schwabenbauer, Lynn N. Wheatcraft