Patents by Inventor Yigal Erel

Yigal Erel 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: 5305563
    Abstract: A multi-level parking lot made from prefabricated reinforced concrete modular elements is disclosed. The modular elements include plural parking compartments with defined parts for passage between the compartments and approach routes for entering the parking lot. The parking compartments include connecting plates and integral units with four columns, each integral unit including a slab integreal with and resting on the four columns. A steel pipe protrudes from an upper surface of the column for interfitting engagement with a corresponding hole in the connecting plate. The individual units bear against themselves in a stable manner by virtue of their weight without the need for any linking connections therebetween.
    Type: Grant
    Filed: July 31, 1992
    Date of Patent: April 26, 1994
    Inventor: Yigal Erel
  • Patent number: 5177913
    Abstract: A multi-level parking lot made from prefabricated reinforced concrete modular elements is disclosed. The modular elements include plural parking compartments with defined paths for passage between the compartments and approach routes for entering the parking lot. The parking compartments include connecting plates and integral units with four columns, each integral unit including a slab integral with and resting on the four columns. A steel pipe protrudes from an upper surface of the column for interfitting engagement with a corresponding hole in the connecting plate. The individual units bear against themselves in a stable manner by virtue of their weight without the need for any linking connections therebetween.
    Type: Grant
    Filed: September 25, 1990
    Date of Patent: January 12, 1993
    Inventor: Yigal Erel