Patents by Inventor Wilsey J. Clark

Wilsey J. Clark has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Water turbulence generation in spas
    Patent number: 5267359
    Abstract: A system is disclosed for generating turbulence in the water of a spa by a combination of water circulation and air bubble formation which system includes, in preferred form, a valveless trap for protection of the air blower in combination with an air flow distribution manifold having specially placed outlet ports and a floating weir in the water return circuit.
    Type: Grant
    Filed: October 28, 1992
    Date of Patent: December 7, 1993
    Assignee: Clark Manufacturing, Inc.
    Inventor: Wilsey J. Clark