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Barber Duane G: Holder for sample containers of different sizes. Beckman Instruments, Steinmeyer Robert J, Meads R R, November 11, 1975: US3918920 (132 worldwide citation)

A holder for bottles and vials of different sizes comprises a hollow cylindrical support with flexible ribs extending inward partially to a center axis. The ribs extend longitudinally and are spaced around the periphery of the hollow cylindrical support so that their inner edges are also spaced to f ...


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Barber Duane G, Dalke David E: Fluid probe washing apparatus and method.. Beckman Instruments, June 22, 1994: EP0602802-A1 (9 worldwide citation)

A probe washing apparatus including a probe having a tip and a wash collar having a bore coaxially aligned with the probe, the wash collar including ports for applying a vacuum and a wash liquid to the wash collar bore. The probe may be displaced vertically with respect to the wash collar to aspirat ...


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Barber Duane G, Dalke David E: Appareil de lavage deprouvettes et methode connexe, Fluid probe washing apparatus and method. Beckman Instruments, Beckman Coulter, MACRAE & CO, July 19, 2005: CA2103384 (2 worldwide citation)

A probe washing apparatus including a probe having a tip and a wash collar having a bore coaxially aligned with the probe, the wash collar including ports for applying a vacuum and a wash liquid to the wash collar bore. The probe may be displaced vertically with respect to the wash collar to aspirat ...


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Barber Duane G, Tu Songtai, Watts Richard P: Nephelometer and turbidimeter combination. Beckman Coulter, MAY William H, January 8, 1998: WO/1998/000701

A nephelometer and nephelometer/turbidimeter combination of the type useful in automated chemical analyzers is provided. The combination includes a laser for generating a polarized laser beam having an S-wave component and a P-wave component. The beam is split by a beam splitter specially constructe ...


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Barber Duane G, Tu Songtai, Watts Richard P: Nephelometer and turbidimeter combination. Beckman Coulter, April 21, 1999: EP0909383-A1

A rate nephelometer of the type useful in automated chemical analyzers is provided. The nephelometer includes a laser for generating a polarized laser beam having an S-wave component and a P-wave component. The beam is split by a beam splitter specially constructed so that a known proportion of one ...


7
Barber Duane G, Dalke David E: Method and device for washing fluid probe. Smithkline Beckman, August 12, 1994: JP1994-222065

PURPOSE: To avoid the contamination of a probe caused by the sucked fluid remaining on or in the probe after washing it. CONSTITUTION: A probe washing device comprises a probe 36 having a tip and a washing collar 16 having a hole 72 aligned with the probe 36 coaxially, wherein the collar 16 is furni ...