Patents by Inventor Alexander Grondman

Alexander Grondman 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).

  • Apparatus for vaporization of a heavy hydrocarbon feedstock with steam
    Patent number: 4498629
    Abstract: An apparatus for the vaporization of a heavy hydrocarbon feedstock with steam having first and second tubes arranged coaxially to form an annular space, an inlet for introducing a heavy hydrocarbon feedstock within the first tube and a second inlet for introducing superheated steam into the annular space. The first and second tubes terminate in open ends for the supplying of the superheated steam as annulus around a core of the heavy hydrocarbon feedstock. A frustoconically shaped element having an apex angle of less than 20 degrees is connected to the open end of the second tube.
    Type: Grant
    Filed: March 23, 1983
    Date of Patent: February 12, 1985
    Assignee: Shell Oil Company
    Inventor: Alexander Grondman