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Class Information
Number: 494/17
Name: Imperforate bowl: centrifugal separators > Including plurality of miniature bowls (e.g., test tubes) distrubuted about rotatable carrier and readily removable therefrom > And means for introducing either material or auxiliary fluid into bowls
Description: Apparatus which includes also means for feeding either (a) the material which is to be separated or (b) one or more fluids, which fluid or fluids are not initially a part of the material to be separated, to the members.


Sub-classes under this class:

Class Number Class Name Patents
494/18 Including conduit of flexible umbilical cable type 77


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
7588692 Methods for separation of particles Sep. 15, 2009
7396452 Apparatus for determining flow rates of biological fluids Jul. 8, 2008
7201848 Methods and apparatus for separation of particles Apr. 10, 2007
6857997 Bio cell cleaning centrifuge having bio cell cleaning rotor provided with cleaning liquid distributor Feb. 22, 2005
6846460 Apparatus and method for separation of liquid phases of different density and for fluorous phase organic syntheses Jan. 25, 2005
6846281 Bio cell cleaning centrifuge having detachable chamber body Jan. 25, 2005
6808633 Centrifugal separator and sample preparation device using the separator Oct. 26, 2004
6793828 Method of separating and collecting components from a fluid Sep. 21, 2004
6743632 Directional acceleration vector-driven displacement of fluids (DAVD-DOF) Jun. 1, 2004
6709378 Supernatant liquid collector with balance weight forming function and centrifugal apparatus using the same Mar. 23, 2004
6689042 Centrifuge and container system for treatment of blood and blood components Feb. 10, 2004
5906570 Particle filter apparatus May. 25, 1999
5885239 Method for collecting red blood cells Mar. 23, 1999
5674173 Apparatus for separating particles Oct. 7, 1997
5610074 Centrifugal method and apparatus for isolating a substance from a mixture of substances in a sample liquid Mar. 11, 1997
5518930 Simultaneous cuvette filling with means to isolate cuvettes May. 21, 1996
5409665 Simultaneous cuvette filling with means to isolate cuvettes Apr. 25, 1995
5328440 Centrifuge bucket and method of use Jul. 12, 1994
5310527 Tube for use in a pelleting centrifuge rotor May. 10, 1994
5242606 Sample metering port for analytical rotor having overflow chamber Sep. 7, 1993
5215376 Method for causing vortices in a test tube Jun. 1, 1993
5178602 Automatic decanting centrifuge Jan. 12, 1993
5173262 Rotor assembly and method for automatically processing liquids Dec. 22, 1992
5160702 Analyzer with improved rotor structure Nov. 3, 1992
5122284 Apparatus and method for optically analyzing biological fluids Jun. 16, 1992
5096573 Blood and fluid separator apparatus Mar. 17, 1992
5084133 Process for concentrating specimens by evaporation of the solvent with a centrifugal evaporator-concentrator Jan. 28, 1992
5061381 Apparatus and method for separating cells from biological fluids Oct. 29, 1991
5047004 Automatic decanting centrifuge Sep. 10, 1991
5045047 Automated centrifuge Sep. 3, 1991
5007892 Phase separation container with fixed means preventing remixing Apr. 16, 1991
5005981 Apparatus for method for causing vortices in a test tube Apr. 9, 1991
4997768 Anti-foaming method for liquid dispensing Mar. 5, 1991
4990132 Method and apparatus for plasmapheresis Feb. 5, 1991
4933291 Centrifugable pipette tip and pipette therefor Jun. 12, 1990
4846974 Centrifuge system and fluid container therefor Jul. 11, 1989
4835106 Rotor for processing liquids using movable capillary tubes May. 30, 1989
4740472 Method and apparatus for automated processing and aliquoting of whole blood samples for analysis in a centrifugal fast analyzer Apr. 26, 1988
4690670 Centrifuge tube having reusable seal Sep. 1, 1987
4648863 Apparatus for the pure preparation of particles, biological cell systems and colloids Mar. 10, 1987
4612873 Centrifuge chamber for cytodiagnostic investigation of epithelial cells contained in a sample Sep. 23, 1986
4557717 Cup insert for balancing Dec. 10, 1985
4459169 Rotatable bowl assembly for centrifugal processing apparatus having a bonded and prewound umbilical system Jul. 10, 1984
4459171 Mandrel for forming a composite panel of varied thickness Jul. 10, 1984
4456581 Centrifugal analyzer rotor unit and insert elements Jun. 26, 1984
4421503 Fluid processing centrifuge and apparatus thereof Dec. 20, 1983
4413772 Apparatus for centrifugal separation Nov. 8, 1983
4413771 Method and apparatus for centrifugal separation Nov. 8, 1983
4402680 Apparatus and method for separating fluid into components thereof Sep. 6, 1983
4343709 Method and device for separately collecting and discharging components of liquid in centrifugal rotor Aug. 10, 1982

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