Patents by Inventor Kevin Altschwager

Kevin Altschwager 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).

  • Temperature control method for positive temperature coefficient type heating element
    Patent number: 7256371
    Abstract: A controller adapted to control the temperature of a heating elements with a wide range of positive temperature coefficient of resistance, including very low values, using a sensor in line with the heating element. The controller is able to take account of non-constant mains power supplies and variation in the element resistance over time.
    Type: Grant
    Filed: March 18, 2005
    Date of Patent: August 14, 2007
    Assignee: Integrated Electronic Solutions Pty Ltd.
    Inventors: John Crawford, Mark Potter, Kevin Altschwager
  • Heating element control
    Publication number: 20050205549
    Abstract: A controller adapted to control the temperature of a heating elements with a wide range of positive temperature coefficient of resistance, including very low values, using a sensor in line with the heating element. The controller is able to take account of non-constant mains power supplies and variation in the element resistance over time.
    Type: Application
    Filed: March 18, 2005
    Publication date: September 22, 2005
    Applicant: Integrated Electronic Solutions Pty Ltd.
    Inventors: John Crawford, Mark Potter, Kevin Altschwager