Patents Assigned to McFarland Pump Co.
  • Composite sample storage and measurement system
    Patent number: 5535635
    Abstract: Composite sample storage and measurement system having a divided vessel for receiving samples, the first part of which stores the samples received, and a second part of which, isolated by a flexible membrane, contains a standard fluid which is displaced to a reservoir to determine the weight of standard fluid displaced, and therefore, the volume of sample received. The reservoir, the flexible line from vessel to reservoir and the vessel are maintained under superatmospheric pressure to assure sample integrity.
    Type: Grant
    Filed: December 30, 1994
    Date of Patent: July 16, 1996
    Assignee: McFarland Pump Co.
    Inventor: Daniel G. Shaw