Patents by Inventor Thomas W. Barnes

Thomas W. Barnes 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: 3945443
    Abstract: A portable earth boring machine for the horizontal boring of shafts and the insertion of pipeline casing sections in installations where excavation from the surface is undesirable. The machine is characterized by a steering head particularly adapted for rock drilling operations which head is positioned at the front of the casings and remotely controlled by the machine operator so as to directionally control the direction of extension of the pipeline as the drilling operation progresses.
    Type: Grant
    Filed: August 14, 1974
    Date of Patent: March 23, 1976
    Assignee: The Richmond Manufacturing Company
    Inventor: Thomas W. Barnes
  • Patent number: 3939926
    Abstract: A portable earth boring machine for the horizontal boring of shafts and the insertion of pipeline casing sections in installations where excavation from the surface is undesirable. The machine is characterized by a steering head particularly adapted for rock drilling operations which head is positioned at the front of the casing with such steering head being automatically controlled so as to directionally control the direction of extension of the pipeline as the drilling operation progresses.
    Type: Grant
    Filed: November 29, 1974
    Date of Patent: February 24, 1976
    Assignee: The Richmond Manufacturing Company
    Inventors: Thomas W. Barnes, Albert R. Richmond