Patents by Inventor Mark Chookazian

Mark Chookazian 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).

  • Reusable plastic drum container assembly
    Patent number: 4941584
    Abstract: A reusable plastic drum container assembly having a fitting-receiving member in an opening provided in a drum head wherein the opening is formed by a cylindrically-shaped indentation portion extending perpendicularly from the top surface of the drum head and wherein the fitting-receiving member in cross-section is of an inverted U-shape having an inner cylindrically-shaped portion, a circularly-shaped base portion, and an outer cylindrically-shaped leg portion defining a channel and is disposed over the neck member of the drum head with an electromagnetic bonding material fused between the outer surfaces of the neck member and the interior surfaces of the fitting-receiving member.
    Type: Grant
    Filed: June 21, 1989
    Date of Patent: July 17, 1990
    Assignee: Ashland Oil Inc.
    Inventors: Robert B. Bowers, Mark Chookazian
  • Reusable plastic drum container assembly and process for refitting such plastic drum container assembly
    Patent number: 4880580
    Abstract: A novel reusable plastic drum container assembly and a process for installing a fitting-receiving member in an opening provided in a drum head wherein the opening is formed by a cylindrically-shaped neck member having an outer sloping surface including a circularly-shaped indentation portion extending perpendicularly from top surface of the drum head and wherein the fitting-receiving member in cross-section is of an inverted U-shape having an inner cylindrically-shaped portion, a circularly-shaped base portion, and an outer cylindrically-shaped leg portion defining a channel and is disposed over the neck member of the drum head with an electromagnetic bonding material fused between the outer surfaces of the neck member and the interior surfaces of the fitting-receiving member.
    Type: Grant
    Filed: December 3, 1987
    Date of Patent: November 14, 1989
    Assignee: Ashland Oil, Inc.
    Inventors: Robert B. Bowers, Mark Chookazian