Patents by Inventor Mary Vlock

Mary Vlock 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).

  • Refrigerator with purified water supply
    Patent number: 5083442
    Abstract: A refrigerator is combined with a reverse osmosis water purification system so that purified water is available at an ice-maker and water tap forming part of the refrigerator. The water is also chlorinated upstream of the reverse osmosis filter and dechlorinated downstream thereof, before the water is supplied to a tank. Level and purity sensors are provided in the tank for cutting off the supply of water when the tank is full and for indicating the purified condition of the water.
    Type: Grant
    Filed: January 11, 1991
    Date of Patent: January 28, 1992
    Inventor: Mary Vlock