Patents Assigned to Integrated Instrument Services, Inc.
  • Pipette with multiple sealing zones
    Publication number: 20050089450
    Abstract: A pipette has a pipette tip mounting shaft having multiple sealing zones, with each sealing zone abutting a stop, which prevents a pipette tip from being placed on the shaft with excessive force. As a result, differently sized pipette tips, can be sealingly engaged on the shaft, and each can be ejected with a minimal amount of force.
    Type: Application
    Filed: October 27, 2003
    Publication date: April 28, 2005
    Applicant: Integrated Instrument Services, Inc.
    Inventors: Kassab Al-Mahareeq, Hasan Al-Mahrouq
  • Pipette with an axially stationary volume adjusting wheel
    Patent number: 5320810
    Abstract: An adjustable hand-held pump adapted to measure microliter quantities of liquids includes a frame having a handle with a cylindrical opening formed therein. A threaded shaft is disposed and slidable within the cylindrical opening. A volume adjustment wheel is rotatably disposed within the frame at a stationary axial position and mechanically engages the threaded shaft to position the threaded shaft at a predetermined axial position within the cylindrical opening, thereby providing liquid volume adjustment.
    Type: Grant
    Filed: May 13, 1992
    Date of Patent: June 14, 1994
    Assignee: Integrated Instrument Services, Inc.
    Inventors: Kassab Al-Mahareeq, Hasan A. Al-Mahrouq