Patents by Inventor Omar A. Abd. El Halim

Omar A. Abd. El Halim 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: 4737050
    Abstract: For the formation of a substantially crack-free paved surface, pressure is applied to a layer of asphalt substantially simultaneously by means of longitudinally-spaced-apart, rollingly-movable pressure areas and by means of substantially continuously applied pressure to substantially the entire bottom inner area of a flat, endless, elastomeric belt extending between the two longitudinally-spaced-apart, rollingly-movable areas, whereby the continuously applied pressure is transferred to substantially the entire bottom outer area of the endless elastomeric belt which extends between the two longitudinally-spaced-apart, rollingly-movable areas.
    Type: Grant
    Filed: February 19, 1987
    Date of Patent: April 12, 1988
    Inventor: Omar A. Abd. El Halim