Patents Assigned to Bert J. Kallis
  • Elevators
    Patent number: 4474266
    Abstract: A hydraulically operated elevator in which the release fluid operates a turbine which in turn operates a generator; a flywheel assures substantially constant angular velocity and a transmission is permissive of smooth startup.
    Type: Grant
    Filed: August 6, 1982
    Date of Patent: October 2, 1984
    Assignee: Bert J. Kallis
    Inventor: Bert J. Kallis