Patents by Inventor Eugene Y. Ngai

Eugene Y. Ngai 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: 6651703
    Abstract: A system for the transportation and storage of a product comprising a tank including a cylindrical wall section and two ends which define a cylindrical tank periphery, wherein the tank periphery has an interior and an exterior; a recessed valve box including one or more side walls, a bottom wall, and a removable, sealable top cover which can be attached to the one or more side walls to seal the valve box, wherein the valve box side walls are sealably joined to the cylindrical wall section such that the valve box extends through the cylindrical wall section into the interior of the tank periphery and is partially or totally disposed in the interior of the tank periphery; and one or more valves disposed in the valve box.
    Type: Grant
    Filed: March 19, 2002
    Date of Patent: November 25, 2003
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Vladimir Yliy Gershtein, Robert William Ford, Christopher R. Butler, Eugene Y. Ngai
  • Publication number: 20030178093
    Abstract: A system for the transportation and storage of a product comprising a tank including a cylindrical wall section and two ends which define a cylindrical tank periphery, wherein the tank periphery has an interior and an exterior; a recessed valve box including one or more side walls, a bottom wall, and a removable, sealable top cover which can be attached to the one or more side walls to seal the valve box, wherein the valve box side walls are sealably joined to the cylindrical wall section such that the valve box extends through the cylindrical wall section into the interior of the tank periphery and is partially or totally disposed in the interior of the tank periphery; and one or more valves disposed in the valve box.
    Type: Application
    Filed: March 19, 2002
    Publication date: September 25, 2003
    Inventors: Vladimir Yliy Gershtein, Robert William Ford, Christopher R. Butler, Eugene Y. Ngai
  • Patent number: 5482536
    Abstract: An apparatus for containing and scrubbing toxic or corrosive gases from a leaking pipe or cylinder is provided. A gas passageway attaches at one end to a leakage location on a pipe or cylinder, and at the other end to an air operated exhauster. The air operated exhauster, through the input of a non-flammable purge gas, creates an exhaust flow from the leakage location to a drum which is attached to the air operated exhauster. The drum contains a scrubbing media which, when it contacts the leaked gas, cleans or removes the harmful component, thus allowing release to the atmosphere of the cleaned air.
    Type: Grant
    Filed: April 12, 1994
    Date of Patent: January 9, 1996
    Assignee: Solvay Specialty Chemicals, Inc.
    Inventors: Eugene Y. Ngai, Lester S. Gerver
  • Patent number: 5086804
    Abstract: Emergency security device adapted to be used on a head leaking gas cylinder comprising a cap adapted to be tightly fitted on the gas cylinder and connected to a pressure cylinder containing a purging inert gas and to a dry scrubber assembly containing a material neutralizing the leaking gas carried away from the cap by the purging gas.
    Type: Grant
    Filed: January 23, 1991
    Date of Patent: February 11, 1992
    Assignee: Solkatronic Chemicals, Inc.
    Inventor: Eugene Y. Ngai
  • Patent number: 4625627
    Abstract: A gas cabinet for enclosing one or more compressed gas cylinders is ventilated for rapid removal of any gas leaked from the cylinders. The cabinet has a perforated plate as its floor which also serves as a fresh air inlet. Since the entire floor is used as the air inlet, the airflow through the interior of the cabinet is uniform and across the full width and depth of the cabinet, virtually eliminating dead areas or channels where leaked gas could accumulate. A tapered roof provides a smooth air handling transition to an exhaust port in the roof. The exhaust port may be connected to a plant ventilation system for removing the exhausted air from the cabinet.
    Type: Grant
    Filed: May 20, 1985
    Date of Patent: December 2, 1986
    Assignee: Matheson Gas Products, Inc.
    Inventors: Vassilios J. Livanos, Eugene Y. Ngai