Patents by Inventor Ali Vafaei

Ali Vafaei 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).

  • Pipette tip filter inserter and method therefore
    Patent number: 5210927
    Abstract: A method for and a device to insert filters into disposable pipette tips uses a turntable adapted to receive a plurality of tips adjacent its circumference and powered by a stepping motor to incrementally rotate pipette tips to various positions for appropriate actions. After a tip is placed in the turntable, it is moved successively to a position where a filter of predetermined size may be inserted into the tip. The filter is then tamped into the desired final position at still another position. After checking for the presence of a filter, the pipette is removed from the turntable.
    Type: Grant
    Filed: June 17, 1991
    Date of Patent: May 18, 1993
    Assignee: Ways & Means, Inc.
    Inventors: Peter L. Lamont, Ali Vafaei