Patents by Inventor Charlie W. Sawyer

Charlie W. Sawyer 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: 20100150685
    Abstract: Modular storage units for handling and storing tubulars in vertical columns, methods for handling and transporting tubulars horizontally in vertical columns, and systems for handling and transporting tubulars horizontally in vertical columns are provided.
    Type: Application
    Filed: December 16, 2009
    Publication date: June 17, 2010
    Inventors: Charlie W. Sawyer, Robert R. Cuddie
  • Publication number: 20030196791
    Abstract: A pipe handling system comprising at least one pipe magazine, a pipe conveyor system, and a pipe arm for handling pipes in conjunction with a drill rig for drilling a well bore. The pipe handling system operates to transfer pipe joints from each pipe magazine to a pipe arm via the pipe conveyor system. The pipe arm then moves to transfer each pipe to the drilling rig for connection to drill string. The pipe handling system also operates to remove each pipe from the drill string. The arm engages the pipe to be removed and moves to transfer the pipe to the pipe conveyor system. The pipe conveyor system then transfers the pipes to each pipe magazine. The system is alternatively comprises electronic sensors that measure the location of pipe. The entire system is also alternatively operated with software and a general-purpose computer.
    Type: Application
    Filed: February 25, 2003
    Publication date: October 23, 2003
    Applicant: N-I Energy Development, Inc.
    Inventors: Michael D. Dunn, Charlie W. Sawyer, Erik A. Opstad