1
Pinkerton Dennis, Jaekel Robert William, Pardinas Guillermo Pedro: Pump with multi-port discharge.. Pinkerton Dennis, Jaekel Robert William, Pardinas Guillermo Pedro, July 17, 1991: EP0437261-A2

A valveless, positive displacement metering pump is provided which is capable of either mixing two or more fluids or dividing a fluid from an inflow line into two or more outflow lines. The pump includes a housing (22) which contains a cylindrical working chamber at different radial positions. Three ...


2
Pinkerton Dennis, Jaekel Robert William, Pardinas Guillermo Pedro: Pompe a sorties multiples sans valve sorties, Multi-port valveless pump. Pinkerton Dennis, Jaekel Robert William, Pardinas Guillermo Pedro, MCFADDEN FINCHAM, February 7, 1995: CA2032240

A valveless, positive displacement metering pump is providedwhich is capable of either mixing two or more fluids or dividinga fluid from an inflow line into two or more outflow lines. Thepump includes a housing which contains a cylindrical workingchamber at different radial positions. Three or more ...


3
Pardinas Guillermo Pedro: Valveless metering pump with reciprocating, rotating piston. Abbott Laboratories, sGORMAN Edward Hoover Jr, August 5, 1993: WO/1993/015316

A valveless metering pump includes a simultaneously reciprocating and rotating piston (46). The pump head (10) includes radially spaced coplanar ports (92, 94, 96) for drawing and dispensing fluids as the piston (46) rotates sequentially past the ports. The reciprocating stroke of the piston (46) is ...


4
Pardinas Guillermo Pedro: Pipette tip with self-aligning and self-sealing features. Abbott Laboratories, GORMAN Edward H Jr, May 13, 1993: WO/1993/008913

A pipette tip (30) for use in automated assay testing systems includes an annular, protruding seal rings (78, 80) on the interior wall of the pipette for engaging sealing surfaces (114, 116) on a probe (100) to provide a resilient seal. The pipette tip also includes a positive stop (66) for assuring ...


5