Patents Assigned to Sun Pipe Line Company
  • Pipeline scraper handling apparatus
    Patent number: 4245945
    Abstract: In order to facilitate the retrieval and launching of a pipeline scraper, as well as intermediate handling including transportation and cleaning, a trailer-mounted cradle apparatus is employed. The cradle is vertically adjustable to accomodate different heights of incoming and launching traps. An integral reel and cable unit is provided to assist in pulling a scraper from an incoming trap into the cradle and, optionally, to start the scraper into a launching trap.
    Type: Grant
    Filed: June 6, 1979
    Date of Patent: January 20, 1981
    Assignee: Sun Pipe Line Company
    Inventor: Luke J. Rizzo
  • Semi-automatic valve control for a prover loop
    Patent number: 3958444
    Abstract: In a prover loop used to calibrate positive displacement meters, such as those used on a LACT-unit (Lease Automatic Custody Transfer) in the petroleum industry, a control system is provided for operating the prover loop valve. This control system is designed to operate so that each prover loop test is conducted under identical conditions. The system design permits easy conversion from the conventional hydraulic systems.
    Type: Grant
    Filed: January 27, 1975
    Date of Patent: May 25, 1976
    Assignee: Sun Pipe Line Company
    Inventor: Edward A. Baker