Patents Assigned to Barry J. Walter
  • Cylinder pump having controllable piston/drive detachment
    Patent number: 5567122
    Abstract: A cylinder pump having a controllable piston/drive detachment is disclosed that can engage or disengage a piston rod using a solenoid. Most any type of drive can be used. The cylinder pump could have one or more cylinders. Each cylinder and piston rod has quick connect and disconnect mountings. The cylinder pump could be a syringe pump or drive.
    Type: Grant
    Filed: October 13, 1994
    Date of Patent: October 22, 1996
    Assignee: Barry J. Walter
    Inventor: Harvey Schulte