Matches 51 - 100 out of 373 < 1 2 3 4 5 6 7 8 >
Match Document Document Title
6334841 Centrifuge with Ranque vortex tube cooling  
This centrifuge includes a chamber ( 5 ), a rotor ( 6 ) arranged therein, a device ( 8 ) for driving the rotation of the rotor, and a device ( 11 ) for cooling the atmosphere of the chamber. The...
6309603 Microcentrifuge tube cap opening and closing apparatus and method  
A single-hand apparatus for opening and closing the cap of a microcentrifuge tube. The apparatus comprises an elongate base having means on one end for mounting the base on a laboratory ring stand...
6296798 Process for compression molding a composite rotor with scalloped bottom  
A compression molded fixed angle carbon fiber centrifuge rotor and method for forming the centrifuge rotor are provided. My prior art technique of compression molding is utilized in which a frustum...
6286838 Process and device for sealing a rotor for laboratory centrifuges  
A rotor assembly for a laboratory centrifuge includes a rotor body having a loading region encircled by an annular first bearing surface. A lid is configured to be removably secured to the rotor...
6241650 Centifuge with pneumatic drive and filtration of the atmosphere of its chamber  
This centrifuge includes a chamber (5), a rotor (6) arranged therein, and a device (8) for driving the rotation of the rotor. The device (8) for driving the rotation of the rotor is a pneumatic...
6235245 Device for mixing, resuspending, homogenizing and aeration of substances in test tubes  
A multi-purpose device, the device including a tube holder for holding tubes; tube driving apparatus for rotating the tubes in the tube holder, the tube holder having spaces for accommodating the...
6190300 Centrifuge rotor adapted for use with centrifuge tube strips  
A centrifuge rotor having a top surface, a bottom surface, side surface extending between the top and bottom surfaces, a centrally located bore for installing the rotor on a motor drive shaft of a...
6149570 Self-retaining rotor lid  
In a centrifuge rotor assembly, a self-retaining rotor lid which is designed to stay on the rotor even when the lid is not tied down or secured to the rotor. The lid has a lip formed on an outer...
6132353 Apparatus and method for separating plasma or serum from the red cells of a blood sample  
Red cells are separated from plasma or serum of whole blood by arranging an evacuated tube sealed by a self-sealing stopper above and preferably coaxial with a tube containing a blood sample and...
6132354 Automatic ball balancer for rotating machine  
A ball balancer for minimizing a dynamic unbalance of a moving part of a rotating machine such as a centrifuge is provided. The ball balancer includes a rotary balancer casing having disposed...
6068586 Laboratory centrifuge having a casing cover and rotor chamber adapted to exhaust circulated air  
A laboratory centrifuge has a housing which can be closed by a casing cover and having in the housing a rotor chamber which contains a motor-driven vertical-axis rotor to accept test tubes. During...
6063017 Method and apparatus capable of preventing vertical forces during rotor failure  
A method and apparatus which are capable of controlling the motion of a rotor body fragment after a rotor failure has occurred within a centrifuge assembly which comprises a rotor body, a...
6063018 Centrifuge having force responsive locking device for securing a rotor to a drive head  
A centrifuge including a drive head attached to a rotation shaft and a rotor adapted to be removably mounted on the drive head in a rotational driving position and which is coupled thereto during...
6056684 Locking centrifuge rotor cover assembly  
A centrifuge rotor cover assembly for use with a centrifuge having a rotor and a housing enclosing the rotor and including a lid movable between a closed position overlying the rotor and an open...
6056910 Process for making a net shaped composite material fixed angle centrifuge rotor  
In a fixed angle centrifuge having sample tube apertures symmetrically distributed around the spin axis of a rotor body, two rotor body shapes are disclosed at the rotor body top adjacent the...
6045494 Centrifugal separating method and centrifugal machine  
In a centrifugal separating method using connected tube assemblies in which a plurality of tubes are connected to each other, the connected tube assemblies that have been used in a previous process...
6001310 Pliable centrifuge tube array  
A pliable centrifuge tube array includes a number of tubes having collars which are interconnected by flexible tethers that permit the tubes to diverge when they are placed into holes in a...
RE36341 Automatic sample container handling centrifuge and a rotor for use therein  
A centrifuge instrument and a rotor therefor which is loaded with sample containers automatically by gravity through an opening in a cover located over a core and, subsequent to centrifugation, is...
5935052 Adapter for centrifuge tube  
An adapter for use in a fixed angle centrifuge rotor has, in use, a radially inboard and a radially inboard portion. An opening is formed in the radially inboard portion of the adapter. The opening...
5924972 Portable D.C. powered centrifuge  
A portable eccentric centrifuge for the separation of compound fluid samples in areas where an external power source is not easily accessible and while being supported upon on a non-level surface....
5901873 Self-seating self-sealing labware adapter  
A labware adapter having a tubular body with upper and lower spaced apart annular collars, serving to guide the adapter into a rotor bore, while at the same time defining a fluid reservoir between...
5899349 Cap/closure having a venting mechanism for use with centrifuge containers  
A cap assembly for use with a centrifuge container includes a stopper (plug) member to provide a fluid-tight seal of an open end of the container. The stopper member includes a channel...
5897482 Rotor lid tie-down and vacuum venting system  
A rotor lid assembly for a rotor body comprises a lid portion having a centrally depending shank. A bore formed through the shank receives a tie-down stem having a diameter smaller than the bore. A...
5876322 Helically woven composite rotor  
Composite fibers are woven into helical fabric strips. These helical fabric strips wind upon one another as a helix to form a cylinder. When the helical strips are impregnated with resin, heated to...
5840005 Centrifuge with inertial mass relief  
A solid mass rotor for centrifuges of the type supporting sample containers in cells which are radially positioned apertures in the rotor body features a cross-sectional shape which is relieved by...
5840253 Cell wash apparatus  
An apparatus and method are disclosed to wash blood cells in a discrete manner that is compatible with automated sample preparation systems. The test tube containing the cells to be washed is...
5833908 Method for compression molding a fixed centrifuge rotor having sample tube aperture inserts  
In the compression molding of a fixed angle centrifuge rotor utilizing discontinuous fibers, sample tube apertures cores present in the net-shape mold are covered with pre-cured sample tube...
5789259 Method and apparatus for mixing samples in a capillary tube  
A transparent capillary tube containing a blood sample, a float, an anticoagulant plus other reagents, is centrifuged in a centrifuge so as to cause the various blood sample constituents such as...
5728038 Centrifuge rotor having structural stress relief  
A centrifuge rotor with a body having a spin axis and a plurality of bores formed therein, each of which is adapted to support a centrifuge container. The rotor includes a load reducing feature to...
5722926 Method for separating particles  
A fluid chamber and method are disclosed for filtering or separating particles. The fluid chamber includes a wall extending between an inlet and outlet to form a fluid chamber interior. The...
5683341 Quill shaft suspension for centrifuge rotor having central stator  
In a centrifuge having a central stator with a peripheral rotor, an improved suspension for the rotor is disclosed. The central stator is provided with a bore coaxial to the axis of rotation of the...
5681257 Centrifuge with removable rotor and device for axial immobilization of the rotor on the drive shaft  
The centrifuge includes a drive shaft (3), a rotor (1) which can be mounted removably on the drive shaft, and a device (6) for providing axial immobilization of the rotor (1) with respect to the...
5674173 Apparatus for separating particles  
A fluid chamber and method are disclosed for filtering or separating particles. The fluid chamber includes a wall extending between an inlet and outlet to form a fluid chamber interior. The...
5667755 Hybrid composite centrifuge container with interweaving fiber windings  
A hybrid fiber-composite centrifuge container having a cylindrical metal sleeve, with a smooth inner surface permanently coupled to the fiber reinforced base. The reinforced base has an open end, a...
5665047 Multiple function centrifuge apparatus with index plate and method  
A multiple function centrifuge for use in the centrifugation of sets of centrifugation containers within preselected size ranges and centrifugation speeds. The centrifuge rotor is configured with a...
5643168 Compression molded composite material fixed angle rotor  
A fixed angle centrifuge rotor body is constructed from compression molded composite material. The rotor body has a frustum shaped peripheral contour about a central spin axis between a base end...
5605529 High efficiency centrifuge rotor  
A high efficiency centrifuge rotor for rapid separation of particles suspended in a liquid is disclosed. The rotor features one or more cavities disposed at a compound angle to provide for rapid...
5601522 Fixed angle composite centrifuge rotor fabrication with filament windings on angled surfaces  
A fixed angle rotor and method of manufacture of a fixed angle rotor has a frustum shaped rotor having rounded surfaces reinforced by filament tow windings against both vertical and horizontal...
5589400 Method of distributing material onto a microscope slide of a large cytology sample chamber  
The method of distributing biological material suspended in a liquid sample comprises the steps of directing the liquid sample into a centrifuge sample chamber along a tortuous path of vertically...
5562582 Ultra-light composite centrifuge rotor  
A fixed-angle centrifuge rotor fabricated from fiber-reinforced composite material includes a rotor plate, composite tube holders, and a hub to attach the rotor plate to a centrifuge. The rotor...
5562584 Tension band centrifuge rotor  
The present invention relates to an applied load accepting band for a centrifuge rotor that is configured such that, while rotating, the applied loads on the band are balanced by the tension in the...
5562823 Combination centrifugal and sonic device for separating components within a solution  
The present invention relates to an improved device and method for separating a first component in a solution from a second component in the solution. The device comprises a centrifuge for applying...
5562554 Centrifuge rotor having a fused web  
A centrifuge rotor has a central hub with a mounting recess therein, a ring disposed concentrically about the hub, the ring having a plurality of cavities formed therein, and a relatively thin web...
5562583 Tube adapter for centrifuge shell type rotor  
A shell-type centrifuge rotor has a sample container support sleeve extending through the cavity in a plate. The sleeve has at least two slots which define at least one resilient flange pivotally...
5560830 Separator float and tubular body for blood collection and separation and method of use thereof  
A separator float has a generally cylindrical body and a water swellable band having a selected outer diameter fitted circumferentially around a portion of the generally cylindrical body. The water...
5558616 Centrifuge rotor cover having container supports thereon  
The cover for a fixed angle centrifuge rotor has an array of container support surfaces depending from the lower surface thereof. Each support surface is substantially cylindrical in configuration...
5552117 Collection assembly having a cap lifting mechanism  
The present invention is a collection assembly useful for collecting small quantities of blood. The assembly comprises a container with an integral lip for facilitating collection of the blood and...
5538493 Centrifugation system with a rotatable multi-element carrier  
A system for centrifugation of samples includes at least one carrier, which is provided with a plurality of elements connected with each other by joints and having each an uptake for receiving a...
5533644 Hybrid centrifuge container  
A hybrid composite sample holders utilized to further improve overall strength-to-weight of a centrifuge rotor. The holders comprise a metal portion and a fiber composite portion integrally molded.
5527513 Collection assembly  
The present invention is a collection assembly useful for collecting small quantities of blood. The assembly comprises a container with an integral lip for facilitating collection of the blood and...
Matches 51 - 100 out of 373 < 1 2 3 4 5 6 7 8 >