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| Number | Title | Issue Date |
| 7205158 | Method for aspiration of a liquid sample A liquid aspiration method which includes aspirating partial aliquots of liquid at a number of different depths of penetration of a pipette tip into a liquid. The different depths are selected so that partial aliquot segments are obtained throughout the entire depth... | 04/17/2007 |
| 7153477 | Device and method for separating components of a fluid sample A device and method is provided for separating heavier and lighter fractions of a fluid sample. The device includes a plurality of constituents comprising a container and a composite element in the container. The composite element is a separator comprising at least ... | 12/26/2006 |
| 7082628 | Disposable solid waste detainment plumbing trap A disposable solid waste detainment plumbing trap. The trap has a container for collecting water and solid waste discharged from a sink through a line threadably connected to an inlet of the container, and for discharging water through an outlet threadably connected... | 08/01/2006 |
| 6900029 | Method of selection of a population or subpopulation of a sample utilizing particles and gravity sedimentation A separation procedure for separating a selected desired or undesired population from a biological sample utilizing relatively heavy, dense particles and gravity sedimentation. The particles have one or more reactants bound thereto which are specific to and will bin... | 05/31/2005 |
| 6803022 | Device and method for separating components of a fluid sample A device and method for separating heavier and lighter fractions of a fluid sample. The device includes a plurality of constituents comprising a container and a composite element in the container. The composite element is a separator comprising a deformable bellows,... | 10/12/2004 |
| 6689279 | Device for separating and dispensing high viscosity fluid from low viscosity fluids A device used in separating flowing substances and can be placed inside the top of a dispenser. The device separates high viscosity liquid from a low viscosity liquid. The device is comprised of a smooth conical funnel piece inverted into the dispenser co... | 02/10/2004 |
| 6471069 | Device for separating components of a fluid sample A device and method for separating heavier and lighter fractions of a fluid sample. The device includes a flexible collapsible inner container disposed within a substantially rigid outer container. A closure seals the open top end of the outer container. ... | 10/29/2002 |
| 6406671 | Device and method for separating components of a fluid sample A device and method is provided for separating heavier and lighter fractions of a fluid sample. The device includes a plurality of constituents comprising a container and a composite element in the container. The composite element is a separator comprisin... | 06/18/2002 |
| 6210574 | System for separation of nucleated fetal erythrocytes from maternal blood samples A system for separating nucleated cells from a blood sample includes a charge-flow separator (CFS), which separates blood into fractions according to the surface charge density characteristics coupled with an affinity-filtration separator which either out... | 04/03/2001 |
| 6166187 | Method of concentrating prion proteins in blood samples A sample is prepared from blood in a manner which makes it possible to further analyze proteins in the sample, e.g. to detect prions in the sample. Blood is extracted, allowed to clot and subjected to separation processing (e.g. centrifugation) to obtain ... | 12/26/2000 |
| 6072022 | Physiological fluid separation vehicles having improved resistance to inward migration of therapeutic agents A polyester composition for use in facilitating separation of blood serum or plasma from a cellular portion of blood, the composition containing: (a) a multifunctional acid component comprising: (i) a benzene polycarboxylic acid, and derivatives thereof; ... | 06/06/2000 |
| 6049922 | Solid-sediment retainment plumbing trap A solid-sediment retainment plumbing trap devised primarily for a sink from which substantial amounts of solid material are discharged; e.g., eyeglass manufacture and dental plastic grinders. The plumbing trap is connected to the sink, and collects sedime... | 04/18/2000 |
| 6004743 | Method and apparatus for bulk enrichment of a population or subpopulation of cells A cell population or subpopulation enrichment procedure for separating undesired populations or subpopulations from a biological sample utilizing relatively heavy, dense particles and gravity sedimentation. The particles have one or more reactants bound t... | 12/21/1999 |
| 5993676 | Container adapter for separating and dispensing liquids A device for adapting a liquid container to enable separation and selective dispensation of two or more immiscible liquids of different densities from the container. The device comprises (a) a first liquid conduit adapted at one end for detachable attachm... | 11/30/1999 |
| 5855848 | Centrifuge apparatus for carrying out immunohaemtological analysis of blood and other biological liquids Test tube particularly suitable for carrying out immunological and immunohaematological analysis having at one end thereof an opening for charging reagents and biological liquids to be analyzed and, at the other end thereof, at least one venting opening a... | 01/05/1999 |
| 5853600 | Axial spin blood separation system and method A method for rapid separation of serum or plasma from cells in a whole blood sample uses a cylindrical sample tube having longitudinally-extending internal ribs. A separation gel and the sample are introduced into the tube, and the tube is axially centrif... | 12/29/1998 |
| 5811016 | Method and apparatus for removing sand from waste water loaded with sand and organic substances There are described a method of and an apparatus for removing sand from waste water loaded with sand and organic substances which is set forth in circulation in a vertical container (1) in which the organic substance moves upward to an overflow (13), whil... | 09/22/1998 |
| 5804082 | Container for separating and dispensing fluids Described are novel containers adapted to separate and dispense two or more fluids of different densities, and novel methods of selectively separating and dispensing two or more fluids of different densities. In one embodiment, the container of this inven... | 09/08/1998 |
| 5797742 | Amalgam solids collecting and separating apparatus An amalgam solids collecting apparatus of the type for collecting an accumulation of a generally separable mixture of liquids and solids, including amalgam solids, and separating the solids from the liquids. The apparatus is connectable to a source of the... | 08/25/1998 |
| 5786898 | Structure and method for centrifugal sedimentation particle size analysis of particles of lower density than their suspension medium A method and structure for analysis of the size and/or distribution of low-density particles by centrifugal sedimentation in a centrifuge chamber containing a fluid where the particles to be tested are delivered to the bottom of the centrifuge chamber and... | 07/28/1998 |
| 5705056 | Separator for separating a heavier liquid from a lighter liquid A separator (10) for separating a heavier liquid from a lighter liquid is disclosed which is intended to operate between a fuel tank (12) and a fuel pump connected to the fuel outlet (24) of the separator (10). The separator includes a float (30) which is... | 01/06/1998 |
| 5667963 | Anticoagulant solution for use in blood chemistry-related techniques and apparatus An anticoagulant solution of sodium citrate for use in blood chemistry-related techniques and apparatus is disclosed. The anticoagulant solution should include an effective concentration of sodium citrate sufficient for preventing the coagulation of a sam... | 09/16/1997 |
| 5641397 | Device for separating inorganic material polluted by organic material from a fluid A device for separating inorganic material polluted by organic material from a fluid, especially of sand polluted by organic material in sewage devices, is provided with a circular shaped container (1), which in its upper region has a feed device (19) for... | 06/24/1997 |
| 5601711 | Selective separation filter device A filter device or apparatus is provided for the separation of materials, especially biomaterials from a fluid sample, under a force such as centrifugation, positive pressure, vacuum, or gravity. The device comprises two or more in-line tubular elements, ... | 02/11/1997 |
| 5576185 | Method of positive or negative selection of a population or subpopulation of a sample utilizing particles and gravity sedimentation A separation procedure for separating a selected desired or undesired population from a biological sample utilizing relatively heavy, dense particles and gravity sedimentation. The particles have one or more reactants bound thereto which are specific to a... | 11/19/1996 |
| 5550060 | Method and procedure for preparing red blood fractions Methods and apparatus for separating red blood cells by density are described. Older red blood cells are more dense than younger ones. Certain changes in the physiology are recorded in changes in hemoglobin or the red blood cells. By assaying different ag... | 08/27/1996 |
| 5422018 | Centrifuge tube and adaptor A centrifuge tube and adaptor apparatus is provided which facilitates separation of biological materials and permits easy extraction of a fraction after centrifugation. The tube is a deformable tube with a wide upper chamber and a narrowed lower portion. ... | 06/06/1995 |
| 5419835 | Flow restrictor-separation device A method of partitioning a pre-selected phase of a sample of liquid having a plurality of phases of differing densities, a separation device and a tube containing the separation device. The sample of liquid is placed in a first chamber of a linear tube th... | 05/30/1995 |
| 5382362 | Paint solvent recycle device A solvent recycle device for containing a volatile solvent with particulate material suspended therein having a density greater than such solvent and enabling the particulate material to gravationally separate from the solvent into a confined lower space ... | 01/17/1995 |
| 5308506 | Apparatus and method for separating a sample of blood Apparatus for collecting, containing and separating a sample of blood. Disclosed is an apparatus for separating a pre-selected phase of a sample contained in an enclosed chamber, wherein said apparatus can be used with a separating means which rotates the... | 05/03/1994 |
| 5275731 | Apparatus for rapidly separating blood into filtered fractions A blood collection and separation system having multi-chamber collection assembly having a longitudinal axis. The assembly in a preferred embodiment is rotatable about its longitudinal axis and an alternate embodiment is rotatable about an axis parallel t... | 01/04/1994 |
| 5256314 | Device and method for the quantitation of a volume of a sediment or of a volume of a fluid which does not flow easily Device for measuring off of a volume of a flowable material, comprising a centrifugable reservoir provided with a bottom, side-walls and an entrance opposite the bottom, and an occludable aperture which is spaced between the bottom and entrance both when ... | 10/26/1993 |
| 5151184 | Fluid collecting and dispensing system An apparatus and method for automatically aliquotting liquids, such as blood serum, is described. The invention provides a completely automatic, clean, self-contained system for collecting and aliquotting liquids and simultaneously cleaning the aliquottin... | 09/29/1992 |
| 5141645 | Apparatus for separation of blood components A method for the separation of blood into the components and apparatus thereof, characterized by subjecting the blood to strong centrifugation thereby separating said blood into an upper layer (A) of platelet-deficient blood plasma, an intermediate layer ... | 08/25/1992 |
| 5130030 | Method and an automatic device for the sharp separation and removal of layers of fluids from a container by way of the container headspace and for the automatic cleaning of the container A method for the automatic sharp separation and removal of layers of fluids from a container through a headspace in the container comprises the use of two separate and simultaneous flow streams to draw fluid from the upper layer as the apparatus descends ... | 07/14/1992 |
| 5061451 | Device for separating the components of a liquid, especially whole blood A device for obtaining from at least two spatially separated areas the heterogeneous components of a liquid, especially stabilized whole blood in a flexible and transparent bag with at least one line leading out of it. The device consists of a front plate... | 10/29/1991 |
| 5061381 | Apparatus and method for separating cells from biological fluids A centrifugal rotor for separating plasma from whole blood includes a plurality of internal chambers and passages for combining the plasma with one or more reagents and distributing the plasma to a plurality of individual test wells. The chambers and pass... | 10/29/1991 |
| 5039401 | Blood collection and centrifugal separation device including a valve A device is disclosed that causes phase separation of whole blood, using much lower centrifugal forces. As a result, lymphocytes are separated from blood cells having specific gravities of 1.08 g/ml or higher. The device features a separation chamber arra... | 08/13/1991 |
| 5037549 | Device for the removal of serum separated from blood A test tube is closed with a plug having a cannula piercing the center of the plug. A first collar surrounds the plug and a second collar above the first collar extends away from the plug and receives a tightly fitted serum container. The serum container ... | 08/06/1991 |
| 5030341 | Apparatus for separating phases of blood Apparatus for partitioning a pre-selected phase of a sample of liquid, such as blood, having a plurality of phases of differing densities. Disclosed is an apparatus for separating a pre-selected phase of a sample contained in an enclosed chamber, wherein ... | 07/09/1991 |
