Patents by Inventor James R. Grill

James R. Grill 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: 4222795
    Abstract: Apparatus for cutting and beveling pipe comprising a horizontally positioned and movable member, roller means to support and axially rotate a horizontal pipe parallel to the member, a photocell scanner mounted on the member and positioned to follow a profile template circumscribing a pipe on the roller means, drive means, responsive to a signal from the photocell scanner, adapted to move the member horizontally in either axial direction as the photocell scanner follows the profile template, a cutting torch pivotally supported by a mounting on the member and positioned to cut through a pipe, rotating axially on the roller means, in a cutting path having the same profile as the template, a support on the member movable axially of a pipe on the roller means, a second photocell scanner mounted on the movable support and positioned to follow a bevel contour template circumscribing a pipe on the roller means, an arm extending from the support and pivotally connected with the cutting torch, and drive means, responsi
    Type: Grant
    Filed: March 9, 1979
    Date of Patent: September 16, 1980
    Assignee: Chicago Bridge & Iron Company
    Inventors: Harold B. Hoaglin, James R. Grill, Jack H. Keller
  • Patent number: 4219370
    Abstract: Apparatus for cutting a pipe end for intersection with another surface comprising a horizontally positioned and movable boom, roller means to support and axially rotate a horizontal pipe parallel to the boom, a photocell scanner mounted on the boom and positioned to follow a template circumscribing a pipe on the roller means, drive means responsive to a signal from the photocell scanner, adapted to move the boom horizontally in either axial direction as the photocell scanner follows the template, and a cutting torch movably supported by a mounting on the boom and positioned to cut through a pipe, rotating axially on the roller means, in a cutting path having the same contour as the template.
    Type: Grant
    Filed: February 21, 1979
    Date of Patent: August 26, 1980
    Assignee: Chicago Bridge & Iron Company
    Inventors: Harold B. Hoaglin, James R. Grill, Jack H. Keller