Patents Assigned to Levitator, Inc.
  • Patent number: 4714375
    Abstract: A watercraft lift supported on one or a pair of stanchions that include a sleeve assembly mounted for slidable movement on the stanchions. A platform is mounted on forks carried by a cross arm inserted into the sleeve assemblies which protrude out from the stanchions. Upright members mounted on the platform carry fender members.In a modified form of the invention a single stanchion with a similar sleeve assembly, a cross arm and twin forks, lifts a floating dock.In a further modified form, a single stanchion with a similar sleeve assembly, a cross arm and twin forks, lifts a non-floating dock.In still another modified form a single stanchion with a sleeve assembly cross arm and twin forks carries a spaced frame for receiving a seaplane.
    Type: Grant
    Filed: June 20, 1986
    Date of Patent: December 22, 1987
    Assignee: Levitator, Inc.
    Inventors: Ernest W. Stevenson, Randall E. Nahas
  • Patent number: 4482268
    Abstract: A boat lift supported on a single stanchion that includes a sleeve assembly mounted for slidable movement on the stanchion. A cross arm mounted on the sleeve assembly carries fork members which protrude out from the cross member. Blocks on the forks cradle the hull of a boat for lifting. Standards mounted on the cross member carry bumper floats and docking eyes.
    Type: Grant
    Filed: October 13, 1983
    Date of Patent: November 13, 1984
    Assignee: Levitator, Inc.
    Inventors: Ernest W. Stevenson, Randall E. Nahas