Patents by Inventor Howard Koth

Howard Koth 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).

  • Magnetic pump
    Patent number: 6712585
    Abstract: A brushless direct current magnetic pump includes a drive shaft that passes through and that is coupled to a magnet carrier. The magnet carrier with an annular sleeve with at least six outer ribs that define at least six slots that extend axially along the sleeve. The at least six slots accommodate at least six bar magnets and at least six sensor magnets. A Hall effect sensor is included in the motor assembly to provide positional information of the sensor magnets to a controller for improved speed control.
    Type: Grant
    Filed: September 4, 2002
    Date of Patent: March 30, 2004
    Assignee: Viking Pump, Inc.
    Inventors: Victor C. Iehl, Michael R. Crawford, Howard Koth
  • Magnetic pump
    Publication number: 20030053914
    Abstract: A brushless direct current magnetic pump includes a drive shaft that passes through and that is coupled to a magnet carrier. The magnet carrier with an annular sleeve with at least six outer ribs that define at least six slots that extend axially along the sleeve. The at least six slots accommodate at least six bar magnets and at least six sensor magnets. A Hall effect sensor is included in the motor assembly to provide positional information of the sensor magnets to a controller for improved speed control.
    Type: Application
    Filed: September 4, 2002
    Publication date: March 20, 2003
    Applicant: VIKING PUMP, INC.
    Inventors: Victor C. Iehl, Michael R. Crawford, Howard Koth