Patents Assigned to Transfield, Inc.
  • Solids excluding surface skimmer
    Patent number: 4891128
    Abstract: A skimmer for decanting treated liquid from sewage treatment basins comprising a weir, barrier, sealing means and mounting means so constructed and disposed as to define a solids-free decantation zone of increasing size during lowering of the weir during decantation is described.
    Type: Grant
    Filed: November 28, 1988
    Date of Patent: January 2, 1990
    Assignee: Transfield, Inc.
    Inventor: Mervyn C. Goronszy
  • Weir for waste water treatment systems
    Patent number: 4693821
    Abstract: An improved weir for removal of liquid from wastewater systems which is positively driven and which decants wastewater only over a leading edge of an elongated weir and removes the water through downcomers is disclosed.
    Type: Grant
    Filed: September 23, 1985
    Date of Patent: September 15, 1987
    Assignee: Transfield, Inc.
    Inventors: Mervyn C. Goronszy, Raul Olavarria