Patents by Inventor Abraham J. Amiel

Abraham J. Amiel 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: 4647259
    Abstract: There is provided a process for rendering certain layers impervious to the seepage of water through same. Such layers are of value in preventing water seepage into structures, and also from ponds, from water reservoirs and the like. The water impervious layers are produced from mixtures of sand (about 98.5 to 90 weight percent) and montmorillonite (about 1.5 to 10 weight percent), which are compacted and contacted with salt water having a salt content at least equal to that of sea water, and washing the layer until the wash waters are essentially free of sodium.
    Type: Grant
    Filed: February 24, 1984
    Date of Patent: March 3, 1987
    Assignee: Yeda Research and Development Co. Limited
    Inventors: Mordeckai Magaritz, Lior Goldenberg, Shmuel Mandel, Abraham J. Amiel
  • Patent number: 4437263
    Abstract: There is provided a system for the underground storage of heat for the gradual and controlled release of same for use in agriculture, comprising a plurality of heat conduits located at predetermined depths below the surface of the soil, and means for circulating heated water through said conduits. Preferred are two-layer systems and three-layer systems of such conduits.
    Type: Grant
    Filed: August 28, 1981
    Date of Patent: March 20, 1984
    Assignee: Yeda Research & Development Co. Ltd.
    Inventors: Aharon Nir, Abraham J. Amiel, Jonathan M. Krant