Patents Assigned to Stevens Eva Josephine
  • Methods and apparatus for transferring hazardous liquids
    Patent number: 5875925
    Abstract: Liquid handling apparatus includes a transfer vessel adapted to receive and retain a predetermined volume of liquid between an upper air-inlet and lower liquid inlet/outlet, the latter being an opening in the base connected to a liquid-flow delivery and suction pipe of desired length, the latter having an open terminal end downstream of a manually controllable on/off valve, the terminal end being adapted to be placed in liquid communication with a supply vessel or dispensing container.
    Type: Grant
    Filed: June 20, 1997
    Date of Patent: March 2, 1999
    Assignee: Stevens Eva Josephine
    Inventor: Alec Martin Stevens