Patents by Inventor Alois Paar

Alois Paar 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).

  • Soil compacting apparatus
    Patent number: 4149253
    Abstract: A soil compactor has (1) an apparatus preceding it to measure characteristics of the soil significant to the compaction operation, and/or (2) an apparatus following it to measure characteristics of the soil after compaction. The soil compactor has one or more controls over the compaction operation. The controls are operated in accordance with the measurement indications of said apparatus.
    Type: Grant
    Filed: November 10, 1976
    Date of Patent: April 10, 1979
    Assignee: Losenhausen Maschinenbau AG
    Inventors: Alois Paar, Fritz Konig