Patents by Inventor Sin-Man Lo

Sin-Man Lo 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: 5651939
    Abstract: Especially for use in disinfecting water by bubbling in a gas such as ozone, novel apparatus having an inlet and an outlet for liquid and which defines a flow path therebetween, the path including, in succession, a downward flow zone and an upward flow zone, the zones being separated by a wall beneath which there is a gap for the flow between the zones, wherein the upward flow zone includes a perforate baffle, adjacent to the gap, such that there is substantially laminar flow throughout that zone.
    Type: Grant
    Filed: June 11, 1996
    Date of Patent: July 29, 1997
    Assignee: Anglian Water Services, Inc.
    Inventors: Edwin William John Murrer, Philip Peter Butler, Sin-Man Lo
  • Patent number: 5645797
    Abstract: Especially for use in disinfecting water by bubbling a was such as ozone, novel apparatus having an inlet an outlet for liquid and which defines a flow path therebetween, the path including, in succession, a downward flow zone including a gas bubble inlet and an upward flow zone, the adjacent downward and upward flow zones being separated by a wall beneath which there is a gap for the flow between the zones, wherein the gas bubble inlet is at a height of at least 50% of the height of the gap.
    Type: Grant
    Filed: July 13, 1994
    Date of Patent: July 8, 1997
    Assignee: Anglian Water Services, Ltd.
    Inventor: Sin-Man Lo