Patents Assigned to R. A. Industries
  • Piston metering pump
    Patent number: 4323333
    Abstract: The piston metering pump has a motor operated eccentric which reciprocates a piston assembly. The piston assembly has two separate portions connected by spaced wire or rod members. One of said portions supports the piston and the other portion supports a coaxial stroke adjustment member.
    Type: Grant
    Filed: November 23, 1979
    Date of Patent: April 6, 1982
    Assignee: R. A. Industries
    Inventors: Robert Apter, John Philippi, Nicholas Potichko, Fred. C. Szablewski