Patents by Inventor Richard O. Bradley

Richard O. Bradley 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).

  • TOP DRIVE QUILL WITH REMOVABLE FLANGE
    Publication number: 20170159360
    Abstract: A top drive system with a removable flange is provided. In one embodiment, a top drive includes a quill, a motor coupled to drive rotation of the quill, and a swivel including a housing and a bearing disposed within the housing. The top drive also includes a removable flange attached to the quill within the housing of the swivel. The bearing and the removable flange are positioned within the housing such that the bearing bears weight of the quill via the removable flange. Additional systems, devices, and methods are also disclosed.
    Type: Application
    Filed: December 2, 2015
    Publication date: June 8, 2017
    Inventors: Michael R. Netecke, Richard O. Bradley
  • Top drive main shaft with threaded load nut
    Patent number: 9359831
    Abstract: A top drive system is provided. In one embodiment, a top drive includes a drive stem and a load nut with mating threaded surfaces that enable the drive stem to be threaded through the load nut and to support weight of a connected drill string via the load nut. One or both of the mating threaded surfaces may have a threadform with one or more undercut thread roots. Additionally, a portion of the mating threaded surfaces, such as thread roots of the drive stem, can be shot-peened. Additional systems, devices, and methods are also disclosed.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: June 7, 2016
    Assignee: Cameron Rig Solutions, Inc.
    Inventors: Richard O. Bradley, Michael R. Netecke
  • Top Drive Main Shaft with Threaded Load Nut
    Publication number: 20140262521
    Abstract: A top drive system is provided. In one embodiment, a top drive includes a drive stem and a load nut with mating threaded surfaces that enable the drive stem to be threaded through the load nut and to support weight of a connected drill string via the load nut. One or both of the mating threaded surfaces may have a threadform with one or more undercut thread roots. Additionally, a portion of the mating threaded surfaces, such as thread roots of the drive stem, can be shot-peened. Additional systems, devices, and methods are also disclosed.
    Type: Application
    Filed: March 15, 2013
    Publication date: September 18, 2014
    Applicant: CAMERON RIG SOLUTIONS, INC.
    Inventors: Richard O. Bradley, Michael R. Netecke