Patents by Inventor Johanna C. Ruizendaal

Johanna C. Ruizendaal 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).

  • Apparatus for dispensing an amount of fluid coolant and a dispensing unit
    Patent number: 6296410
    Abstract: A device for administering a quantity of liquid cooling agent, contained in an aerosol container provided with a normally closed valve has an operating device for temporarily opening the valve. The positioning device positions at least a part of an administering element so that the cooling agent leaving the valve can reach the administering element. The cooling agent leaving the valve reaches that part of the administering element which comes into contact with a wart to be frozen, so that it is used effectively. According to a first preferred embodiment the positioning device has a chamber which is connects to the valve and into which the cooling agent is carried when the valve is operated. The chamber is adapted to receive of at least a part of the administering element.
    Type: Grant
    Filed: September 28, 2000
    Date of Patent: October 2, 2001
    Assignee: Wartner B.V.
    Inventor: Johanna C. Ruizendaal