Patents by Inventor Athanasios C. Daftsios

Athanasios C. Daftsios 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).

  • Extraction rack
    Patent number: 4963493
    Abstract: An extraction rack assembly for liquid/liquid extraction includes a rack member (12) having a plurality of bores (14) for supporting a plurality of tubes in an upright position and a rack cover (24). The rack cover (24) includes arms (30, 32) extending therefrom which lock a sealing surface (38) against the open ends (26) of tubes (16) supported by the rack member (12) while applying a force on the sealing surface (38) of the cover member (24) for perfecting a sealing engagement against the open ends (26) of the tubes (16). The tubes are shaken and centrifuged without being removed from the device.
    Type: Grant
    Filed: October 16, 1989
    Date of Patent: October 16, 1990
    Inventor: Athanasios C. Daftsios