Patents by Inventor Adriaan Gabriel van Os

Adriaan Gabriel van Os 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 apparatus for dredging of ground, particularly sand
    Patent number: 4004358
    Abstract: Soil, particularly water saturated sand, is loosened by means of at least one cutting blade and thereafter is sucked up. An auxiliary fluid is supplied at the position of the slip failure plane due to movement of each moving cutting blade in the soil.
    Type: Grant
    Filed: December 18, 1974
    Date of Patent: January 25, 1977
    Assignee: Stichting Speurwerk Baggertechniek
    Inventor: Adriaan Gabriel van Os