Patents by Inventor Chitis Wolf

Chitis Wolf 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 for making a concrete or similar pillar on site, and resulting pillar
    Patent number: 4601613
    Abstract: The present invention relates to the manufacture of a concrete pillar, cast on site, in difficult grounds, not allowing the use of traditional equipment.A rotating column equipped with nozzles at its lower end and having a reduced diameter as compared with the pillar to be built, sends, as it penetrates the ground, a powerful pressurized fluid jet; in this way a wide cavity is formed, which is filled during the same excavation with selected aggregates; finally a binding mixture is injected as the excavating tool is extracted.
    Type: Grant
    Filed: April 19, 1984
    Date of Patent: July 22, 1986
    Assignee: Fondedile S.p.A.
    Inventor: Chitis Wolf