Patents by Inventor Pauli Henrik Isteri

Pauli Henrik Isteri 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).

  • Method and device for oxygenating water with vibrations and under pressure strokes
    Patent number: 4045336
    Abstract: Method and apparatus for increasing the oxygen content of water for sanitizing natural waters and for purifying water, in which method oxygen or oxygen containing gas is fed into water liberated from gases dissolved therein, characterized in that gases are separated by pressure strokes on the liquid and/or vibration whereafter the desired gas, e.g. air, oxygen or oxygen containing gas, is fed into the liquid.
    Type: Grant
    Filed: September 19, 1975
    Date of Patent: August 30, 1977
    Inventor: Pauli Henrik Isteri