Patents Assigned to Larry A. Cox
  • Hydraulic ram-type water pump
    Patent number: 4911613
    Abstract: A motorless water pump for utilizing the rate of flow of falling water to pump the same to a higher location. The pump utilizes a phenomenon known as "water hammer" to use the force of the running water to close a valve and pump the water to a higher location. The pump is economical, portable and contains relatively few moving internal parts.
    Type: Grant
    Filed: October 24, 1988
    Date of Patent: March 27, 1990
    Assignees: Larry A. Cox, Louis B. Garcia
    Inventor: Larry A. Cox