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Patent No. 5823572

Self Defense Weapon With Memo

A self defense weapon formed as a memo pad and which is easily held by a person's fingers, therefore making it possible to provide protection from a mugger and also to quickly and easily write a record or a message without failure of missing or forgetting significant information under a stressful situation.

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Class 494/17 - And means for introducing either material or auxiliary fluid into bowls


Subclass of Class 494 - Imperforate bowl: centrifugal separators
Definition: Apparatus which includes also means for feeding either (a)
No. of patents: 73
Last issue date: 07/08/2008


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NumberTitleIssue Date
7396452Apparatus for determining flow rates of biological fluids
An apparatus comprises an inlet to convey a first fluid comprising first and second components having different density into a rotating chamber such that an interface forms between at least portions of such components at a first location. At least one outlet removes...
07/08/2008
7332125System and method for processing blood
A system for filtering and processing blood that is simple to implement and that reduces the need for human intervention. The system may be used to collect red blood cells (RBCs). For such a system, a disposable set may be provided with an inlet port, an RBC contain...
02/19/2008
7204637Automated device for homogenization and resuspension of substances, disintegration of cells, disruption of tissues and centrifugation of these media
A device for mixing, homogenization, resuspension, disintegration, disruption, or centrifugation of media placed in test tubes, including: a rotor having a replaceable closure; a driver having a substantially vertical shaft; a sleeve having a spiral groove and a bus...
04/17/2007
7201848Methods and apparatus for separation of particles
The present invention is directed to a method and system that separates first particles from second particles, or white blood cells from red blood cells, by sedimentation in a fluid chamber with debulking of one of the first or second particles or red blood cells th...
04/10/2007
7182912Fluid handling apparatus for an automated analyzer
An analyzer for performing automated assay testing. The analyzer includes a storage and conveyor system for conveying cuvettes to an incubation or processing conveyor, a storage and selection system for test sample containers, a storage and selection system for reag...
02/27/2007
7001321Carrier for holding a flexible fluid processing container
A fluid processing assembly can be easily inserted into and removed from a rotatable centrifuge channel. The processing assembly comprises a processing container and a carrier. The processing container has flexibility and, in use, occupies the channel to receive flu...
02/21/2006
6964646Device and method for autologous blood transfusion
A device for autologous blood transfusion includes a centrifuge unit with an autotransfusion set rotatably mounted thereto. The autotransfusion set includes a separation unit for concentrating a cell fraction by centrifugation and a tubing system for providing a con...
11/15/2005
6921204Internal brace for a standup flexible container
An internal brace for use in association with a flexible container having at least one wall defining an inner cavity. The internal brace comprises a body and an attachment assembly. The body includes a first surface, a second surface, opposite the first surface and ...
07/26/2005
6857997Bio cell cleaning centrifuge having bio cell cleaning rotor provided with cleaning liquid distributor
A bio cell cleaning rotor assembled in a centrifuge. The rotor includes a plurality of test tube holders for holing a plurality of test tubes. The holders are pivotally movably supported to a rotor body so that the test tube holders are moved toward a horizontal dir...
02/22/2005
6846460Apparatus and method for separation of liquid phases of different density and for fluorous phase organic syntheses
A simple, efficient apparatus and method for separating layers of immiscible or partially miscible liquids useful in methods of high-throughput combinatorial organic synthesis or parallel extraction of large libraries or megaarrays of organic compounds is disclosed....
01/25/2005
6846281Bio cell cleaning centrifuge having detachable chamber body
A bio cell cleaning centrifuge having a detachable inner chamber body. The centrifuge includes a rotor detachable from a drive mechanism. Test tube holders are pivotally movably supported on the rotor for holding test tubes. A cleaning liquid distributor is detachab...
01/25/2005
6808633Centrifugal separator and sample preparation device using the separator
A centrifugal separator of the invention has a centrifugal rotor (10-1), with symmetric rotation axes, having single sample separation chamber in it for centrifuging samples contained in sample solutions, an upper opening passing through to said sample...
10/26/2004
6793828Method of separating and collecting components from a fluid
A centrifugal method of separating and collecting components from a fluid is provided, comprising providing a centrifuge operable at a plurality of rotation speeds and having a mounting assembly for positioning and retaining a disposable collection assembly relative...
09/21/2004
6743632Directional acceleration vector-driven displacement of fluids (DAVD-DOF)
Centrifugal analyzer and method for staining biological or non-biological samples in microgravity, wherein the method utilizes an increase in weight of a fluid sample as a function of g-load, to overcome cohesive and frictional forces from preventing its movement in...
06/01/2004
6709378Supernatant liquid collector with balance weight forming function and centrifugal apparatus using the same
Primaiy supernatant liquid collector 1 allows blood A to separate into a primary supernatant liquid B and red blood cells by leaving the blood A stationary for a prescribed period of time, and then it discharges the primary supernatant liquid B and physiologi...
03/23/2004
6689042Centrifuge and container system for treatment of blood and blood components
A centrifuge with an associated container system in the form of cassettes for separation and treatment of blood or blood components has been developed. The centrifuge includes a rotor having a central compartment in the form of a tubular shaft cavity exte...
02/10/2004
5906570Particle filter apparatus
An apparatus and method are disclosed for filtering or separating particles. The apparatus has a motor coupled to a centrifuge rotor rotatable about an axis of rotation. A fluid chamber rotates with the rotor. A substance is supplied to the inlet of the c...
05/25/1999
5885239Method for collecting red blood cells
A rotor for collecting and centrifuging biological fluids in a range of volumes. The rotor includes an elastic impermeable diaphragm which defines at least a portion of a variable-volume processing chamber, where the fluid is centrifuged. The rotor includ...
03/23/1999
5674173Apparatus 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 interior converges from a position of maximum cross-sectional are...
10/07/1997
5610074Centrifugal method and apparatus for isolating a substance from a mixture of substances in a sample liquid
A centrifugal rotor effects the isolation, in a sequence of steps, of a substance from a mixture of substances dissolved, suspended or dispersed in a sample liquid. Multiple samples are processed simultaneously by means of a plurality of fractionation cel...
03/11/1997
5518930Simultaneous cuvette filling with means to isolate cuvettes
The present invention provides centrifugal rotors for delivering a liquid, typically a biological sample such as diluted plasma, to a plurality of cuvettes in the rotor. The cuvettes are positioned radially inward of an annulate manifold and are connected...
05/21/1996
5409665Simultaneous cuvette filling with means to isolate cuvettes
The present invention provides centrifugal rotors for delivering a liquid, typically a biological sample such as diluted plasma, to a plurality of cuvettes in the rotor. The cuvettes are positioned radially inward of an annulate manifold and are connected...
04/25/1995
5328440Centrifuge bucket and method of use
A bucket for use in a swinging bucket centrifuge. A core holder is located between two end chambers, with the annular space between the core holder and the bucket sidewall maintaining the chambers in fluid communication. Windows at each end of the bucket ...
07/12/1994
5310527Tube for use in a pelleting centrifuge rotor
A tube for use in a pelleting centrifuge rotor is characterized in first aspect by a first, acute, corner and a second, obtuse, corner defined in the lowermost pelleting region thereof. The corner defined by the acute angle lies a greater axial distance f...
05/10/1994
5242606Sample metering port for analytical rotor having overflow chamber
An analytical rotor for separating plasma whole blood comprises a rotor body having a sample application port in an upper surface thereof. Blood introduced to the sample application port is metered into a metering chamber by capillary flow while the rotor...
09/07/1993
5215376Method for causing vortices in a test tube
A test tube handling assembly has an elongate member with an end for engaging a test tube and an end opposite thereto driven about an axis of the member for orbital movement with its axis. The member is a slender rod with a spherical bearing about a cente...
06/01/1993
5178602Automatic decanting centrifuge
A centrifuge having an automatic dispensing rotor is employed for pelleting material and automatically decanting supernatant liquid by means of gravity drainage. The automatic decanting rotor employs a magnetically activated lock mechanism for locking swi...
01/12/1993
5173262Rotor assembly and method for automatically processing liquids
A rotor assembly for performing a relatively large number of processing steps upon a sample, such as a whole blood sample, and a diluent, such as water, includes a rotor body for rotation about an axis and including a network of chambers within which vari...
12/22/1992
5160702Analyzer with improved rotor structure
An analyzer with an improved rotor structure for analyzing solid-containing and solid free liquids having an improved rotor design that utilizes chambers and channels that operate by centrifugal force and capillary action to separate and meter the liquids...
11/03/1992
5122284Apparatus and method for optically analyzing biological fluids
A centrifugal rotor comprising a plurality of peripheral cuvettes and a collection chamber spaced radially inward from the cuvettes is disclosed. The rotor includes a means for introducing fluid into the collection chamber and plurality of generally radia...
06/16/1992
5096573Blood and fluid separator apparatus
An apparatus wherein a centrifuge organization includes a mounting ring, and includes a plurality of pairs of stirrups, each securing therewithin an associated container. Each container includes a color-coded lid and anhydrous gel cylindrical floor and an...
03/17/1992
5084133Process for concentrating specimens by evaporation of the solvent with a centrifugal evaporator-concentrator
The centrifugal evaporator-concentrator comprises a central tubular pivot (18) surmounted by a nozzle (35) and constituting the pivot axis of a rotor (9) rotating in a vessel (8) closed by a cover (11). With the rotor rotating in the partial vacuum create...
01/28/1992
5061381Apparatus 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
5047004Automatic decanting centrifuge
A centrifuge having an automatic dispensing rotor is employed for pelleting material and automatically decanting supernatant liquid by means of gravity drainage. The automatic decanting rotor employs a magnetically activated lock mechanism for locking swi...
09/10/1991
5045047Automated centrifuge
A centrifuge apparatus including a rotor; a drive coupled to the rotor; an inner ring adapted to pivotally support an annular array of inner containers having open upper ends; an inner coupling coupled between the rotor and the inner ring so as to cause r...
09/03/1991
5007892Phase separation container with fixed means preventing remixing
There is described a container for phase separation of at least two phases via centrifugation. Means are provided to prevent remixing, such means comprising porous mechanical means such as surfaces fixed in place and inclined at an angle to resist flow of...
04/16/1991
5005981Apparatus for method for causing vortices in a test tube
A test tube handling assembly has an elongate member with an end for engaging a test tube and an end opposite thereto driven about an axis of the member for orbital movement with its axis. The member is a slender rod with a spherical bearing about a cente...
04/09/1991
4997768Anti-foaming method for liquid dispensing
Liquid dispensing method is provided, and comprises the steps of periodically rotating a liquid dispenser package to supply a liquid from a liquid supply chamber to a liquid reservoir by flowing the liquid under the influence of centrifugal force through ...
03/05/1991
4990132Method and apparatus for plasmapheresis
A method for plasmapheresis includes withdrawal of a quantity of blood from a blood donor to an annular primary container forming part of a closed flexible processing assembly positioned in a processing space provided in a centrifuge rotor and conformed t...
02/05/1991
4933291Centrifugable pipette tip and pipette therefor
There are described a novel removable pipette tip and pipette therefor, which provide separation of substances of a liquid within the tip by centrifuging the tip. The tip comprises a liquid-confining cavity disposed about an axis of symmetry, a dispensing...
06/12/1990
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