Patents by Inventor Robert S. Altmann

Robert S. Altmann 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 testing and monitoring for producing landfill gas
    Patent number: 4026355
    Abstract: A method of withdrawing landfill gas from a landfill without drawing air into the landfill comprising providing a well in the landfill and withdrawing landfill gas from the well at a plurality of different withdrawal rates. The pressure at a selected region within the landfill is detected while the landfill gas is being withdrawn. A relationship is then established between the withdrawal rate and the pressure at the selected regions. This relationship is utilized to establish a maximum withdrawal rate, and this maximum rate occurs at approximately zero gauge pressure. Landfill gas is then withdrawn from the well at no more than about the maximum withdrawal rate.
    Type: Grant
    Filed: June 30, 1975
    Date of Patent: May 31, 1977
    Assignees: NRG Nufuel Company, Reserve Synthetic Fuels, Inc.
    Inventors: Robert D. Johnson, Robert S. Altmann