Patents Assigned to Miller Mfg. Co. of Schiller Park, Inc.
  • Metering pump
    Patent number: 4060178
    Abstract: A metering pump for dispensing liquid having a pair of bellows type positive displacement pump chambers having different displacement volumes and interconnected in parallel to common inlet and outlet passages and a pair of independently controllable drive mechanisms for selectively interconnecting said pumps with a common power source for reciprocally activating each pumping chamber for a selected number of displacement cycles.
    Type: Grant
    Filed: August 18, 1975
    Date of Patent: November 29, 1977
    Assignee: Miller Mfg. Co. of Schiller Park, Inc.
    Inventor: Herbert L. Miller