Patents Assigned to Galco, Inc.
  • Hydraulic tool system
    Patent number: 4689957
    Abstract: A system of hydraulic tools utilizing removably, replaceable and substantially interchangeable valve assemblies, fluid reservoirs and hydraulic driving mechanisms. The fluid reservoir maintains the hydraulic fluid under moderate pressure. The valve assembly can contain a hydraulic pump for powering the driving mechanism. The hydraulic pump preferably has displacement varying means for changing the power transfer ratio of the pump. The hydraulic assemblies are removably received in a variety of tool bodies.
    Type: Grant
    Filed: September 23, 1985
    Date of Patent: September 1, 1987
    Assignee: Galco, Inc.
    Inventor: William Gallentine