Patents by Inventor Andrew J. Fleckensteim

Andrew J. Fleckensteim 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).

  • Sensor device for water softener system
    Patent number: 4158628
    Abstract: A sensor device for use in water treatment systems of the type employed for softening the water which is adapted to be immersed in the mineral bed commonly used in such systems and which is sensitive to the calcium/sodium state of the system and capable of changing its dimensions in response to such state and effect contact in an electrical circuit to control operation of the system.
    Type: Grant
    Filed: June 5, 1978
    Date of Patent: June 19, 1979
    Inventor: Andrew J. Fleckensteim