Patent ID: 11872552
Assignee: BECKMAN COULTER, INC.
Field: Chemical engineering (Chemistry)
Classification: CPC B | IPC B  G

Claim 13:
14. The method of claim 13, wherein the device further comprises a second seal element between and engaging the barrel and the drive rod portion, and
wherein in the first high volume pipetting mode, the first liquid is aspirated by withdrawing the piston from the barrel such that the free end portion is above and moves away from the axial hole, and the first liquid is dispensed by dispensing the first liquid by inserting the piston into the barrel such that the free end portion moves toward the axial hole; and
wherein in a second low volume pipetting mode, the second liquid aspirated by withdrawing the piston from the barrel such that the free end portion remains in the axial hole, and the second liquid is dispensed by inserting the piston into the barrel such that the free end portion remains in the axial hole.