Patents by Inventor Franz X. Abt

Franz X. Abt 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).

  • Patent number: 4786212
    Abstract: Process and apparatus for consolidating, sealing and stabilizing a predeterminable area in the ground, particularly for making foundations, underpinnings or seals in a building site, by injecting at least one hardening liquid material in a high energy liquid jet into the ground, accompanied by the simultaneous injection of a gaseous material, characterized in that for the injection of the gaseous material, at least one discrete gas jet is formed and injected separately from the liquid jet and is located in the vicinity of the exit port of the liquid jet and guided at a distance from the liquid jet.
    Type: Grant
    Filed: April 7, 1987
    Date of Patent: November 22, 1988
    Assignee: Karl Bauer Spezialtiefbau GmbH & Co, KG
    Inventors: Karlheinz Bauer, Manfred Stocker, Franz X. Abt