Patents Represented by Attorney, Agent or Law Firm Vierra Magen
  • Pool cleaner having vortex drive tube
    Patent number: 6423217
    Abstract: A suction cleaner comprising a water intake inlet configured to be positioned on an inner surface of a pool and at least one elongate member coupled to the water intake inlet. The elongate member has a generally cylindrical shape with an interior surface and at least one corkscrew edge positioned on the interior surface of the elongate member and in communication with the water intake inlet. The interior surface configured to generate a vortex effect on fluid flowing though the member.
    Type: Grant
    Filed: September 15, 2000
    Date of Patent: July 23, 2002
    Assignee: Letro Products, Inc.
    Inventors: Sanford F. Campbell, Suresh Cherulassery Gopalan