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A resilient headband in a shape for being mounted on the head of the user. The headband is equipped with a longitudinal slotted member for holding a placard.

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Class 73/864.18 - Plural or adjustable limit stops


Subclass of Class 73 - Measuring and testing
Definition: Subject matter including means for changing the stroke of
No. of patents: 151
Last issue date: 01/17/2012


1        
NumberTitleIssue Date
8096198Electronic metering apparatus for metering liquids
An electronic metering apparatus for metering liquids with a drive with an electric motor, at least one displacer device with a displacer element, which is connected and/or connectable to the drive, an electric mode key and an electric parameter key for changeover b...
01/17/2012
7694592Electronic metering apparatus for metering liquids
An electronic metering apparatus for metering liquids with a drive, at least one displacer device with a displacer chamber and a displacer element arranged therein, which is connected to the drive, at least one holding device for a pipette point, which has a passage...
04/13/2010
7357899Reagent addition system and method
A piston coupling for a micro-liter range liquid dispensing system for connecting a piston to a piston drive shaft generally includes a U-shaped body portion having a U-shaped arm and an annular barrel-shaped bearing seated in the U-shaped body portion and retained ...
04/15/2008
7341630Stent coating system
A nozzle for use in a coating apparatus for the application of a solvent and polymer to a stent is provided. ...
03/11/2008
7323210Method for depositing a coating onto a surface of a prosthesis
A patterned coating on a prosthesis, for example a stent, and a method for forming the coating are disclosed. Additionally, an apparatus for forming the patterned coating is disclosed. ...
01/29/2008
7314598Dispenser and dispensing device
A dispenser has a pressure sensor enabled to detect a pressure precisely by forming a pressure sensor integrally with a syringe constructing a nozzle to thereby eliminate a pipeline or the like. The dispenser is provided for sucking and discharging a liquid from a n...
01/01/2008
7284454Hand held pipette
A hand-held pipette includes a piston driven by an actuator assembly contained within a housing having first and second mutually spaced non-adjustable stops. The actuator assembly is subdivided into first and second sections respectively provided with first and seco...
10/23/2007
7264779Pipette with tip ejector
The sampling pipette includes an ejector arm for separating from the pipette a cone that is fixed to the pipette. The pipette includes adjustment means enabling the length of the arm to be varied continuously over a range of values. ...
09/04/2007
7205158Method 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
7204163Mechanical piston pipette
The mechanical piston pipette comprises a pipette body, a piston/cylinder assembly, the cylinder being arranged so as to be able to be equipped with a replaceable tip, and a tip ejector device, movable along the cylinder in order to eject a tip from the end of the c...
04/17/2007
7197948Method of dosing liquid volumes and apparatus for the execution of the method
Method for dosing liquid volumes, wherein a sample pickup portion with a pickup volume, the boundary of which is perforated with a liquid passage guiding to the outside and a gas passage, is dipped into a liquid with the liquid passage, a negative pressure is sudden...
04/03/2007
7186378Liquid sampling probe and cleaning fluidics system
A sampling aliquotter for aspirating aliquot portions of sample fluid from a closed container and for dispensing aliquot portions into a vessel using horizontal and vertical drives to drive a probe into the closed container, to position the probe above the vessel, a...
03/06/2007
7175813Volume adjustable manual pipette with quick set volume adjustment
A volume adjustable pipette, comprising a plunger mounted for movement in a housing to and from a stop to aspirate a fluid into and dispense the fluid from a tip extending from the housing. An axially moveable volume setting member in the housing defines the stop an...
02/13/2007
7146867Proportioning device
A proportioning device, comprising a manually operable actuating device, a sensor associated with the actuating device for detecting a force manually exerted on the actuating device, an electric driving motor, an electric control connected to the sensor and electric...
12/12/2006
7105130Adjustable pipette
A pipette includes a housing defining a suction chamber. A piston is configured to move in the suction chamber. A first retainer mechanism includes a first threading configured to limit a motion of the piston in the suction chamber. A second retainer mechanism inclu...
09/12/2006
7087115Nozzle and method for use in coating a stent
A nozzle for use in a coating apparatus for the application of a coating substance to a stent is provided. ...
08/08/2006
7081228Apparatus for preparing a fluid sample aliquot
A sample aliquot pipette tip (SAT) includes a pipette tip and a sample aliquot cup. The pipette tip is collapsible. The sample aliquot cup is arranged above the pipette tip and is fluidly coupled with the pipette tip. The SAT works in concert with a tip aliquot supp...
07/25/2006
7047828Pipette tip with an internal sleeve and stabilizing projections
A pipette tip member has an elongated tubular receptacle including a sidewall with a plurality of stabilizing projections extending from the sidewall for aligning the pipette shaft, and a sidewall with a bifurcated section that includes first, second, and third side...
05/23/2006
6997067Liquid sample pipette with detachable ejector
The sampling pipette comprises a body and an arm movable relative to the body to eject a cone fixed to the pipette, ejection taking place in a longitudinal direction of the pipette, the arm having both a first portion suitable for coming into contact with the cone, ...
02/14/2006
6994828Liquid sample pipette with tip ejecting mechanism
The sampling pipette comprises a body; an arm movable relative to the body parallel to a longitudinal direction of the pipette in order to eject a cone fixed to the body; and a button for controlling movement of the arm. The pipette is arranged in such a manner that...
02/07/2006
6977062Automatic pipette identification
Mechanisms are provided for automatically removing tips from a pipette nozzle and/or for detecting the type of tip mounted to the nozzle. For detipping, mechanical energy is stored when the tip is mounted to the nozzle and is released when the tip is to be removed t...
12/20/2005
6973845Low insertion force tip/mandrel
A pipette assembly for automatic pipetting machines including a stepped mandrel and tip for providing a minimum contact seal between the pipette tip and mandrel. The mandrel includes a first cylindrical portion with a first exterior diameter and a second cylindrical...
12/13/2005
6968749Portable automated pipette
A portable automated pipette includes a linear actuator, a flywheel, an optical coupler and a control circuit. The linear actuator has a step motor and is connected to a control circuit. The step motor has a rotor and is connected to a flywheel. The flywheel include...
11/29/2005
6967004Pipette with improved pipette tip and mounting shaft
A pipette tip and mounting shaft combination in an air displacement pipette, the combination comprising a pipette tip mounting shaft having a radially stepped exterior comprising adjacent substantially cylindrical portions of different diameter and an annular sealin...
11/22/2005
6959616Pipette provided with sampled volume adjusting means
The sampling pipette includes means for adjusting the volume of liquid to be taken. It includes a locking element that is movable between an inactive position in which it makes the adjustment means unsuitable for performing adjustment and an active position in which...
11/01/2005
6955077Pipette tip with an internal sleeve and method for forming same
A pipette tip member having an elongated tubular receptacle having a sidewall with a bifurcated section that comprises first, second, and third sidewall portions. The first sidewall portion comprises a base wall and the second and third sidewall portions branch ther...
10/18/2005
6935539Device for the metered delivery of a viscous liquid
A device for the metered delivery of a viscous liquid has a pump body with a drill hole accommodating two pistons which connects a first chamber serving as an intake chamber and a second chamber serving as a discharge chamber. Two swivel arms driven by two cam discs...
08/30/2005
6931948Multiple pipette and method of using the same
A multiple pipette (X) comprising a first pipette (1) and a second pipette (2), wherein the first pipette (1) allows a liquid stored in a liquid storing section (17a) to be delivered a plurality of times by a fixed amount each and ...
08/23/2005
6926867Pipette piston seal assembly
A piston seal assembly for a pipette includes an O-ring having radially inner and outer surfaces and axially separated first and second surfaces. A seal includes a radially extending rim portion having axially separated first and second surfaces and an axially exten...
08/09/2005
6923938Hand-held pipettor
A hand-held pipettor comprising a piston received in one end of a cylinder, a pipettor tip removably secured to an opposite end of said cylinder, means for reciprocating said piston through a selected stroke to aspirate fluid into and to expel the thus aspirated flu...
08/02/2005
6910395Pipetting device
A pipetting device for detachably mountable pipette tips, comprising a moving device, a piston movable by the moving device in a cylinder to displace a column of air, an attachment stem for mounting a pipette tip, with an aperture having a connection to the cylinder...
06/28/2005
6833114Pipette with tip ejector
The invention relates to a pipette for transferring liquids, comprising the following: at least one piston-cylinder arrangement (3, 4), in which the cylinder (4) is arranged in such a way that it can be provided with a replaceable tip (8) for co...
12/21/2004
6740295Method and device for detecting the type of replaceable piston-cylinder units for pipetting or dosing apparatus
A method for detecting the type of replaceable piston-cylinder unit mounted in pipetting or dosing apparatus with the help of a code marking on the piston rod head, so as to eliminate the influence of the chain of tolerances piston rod head/piston rod/piston/cylinde...
05/25/2004
6645433Ergonomic return springless manual air displacement pipette
An ergonomic, manually precisely controllable return springless air displacement pipette relying upon the friction of a piston seal to maintain a plunger unit of the pipette in any axial location established by a user of the pipette....
11/11/2003
6605257Micro array manufacturing apparatus
A present micro array manufacturing apparatus includes a substrate placement portion 11 on which a plurality of substrates can be arranged, a tighter plate 12 for storing a solution including a living body sample, a solution storing member 52 for taking i...
08/12/2003
6484556Thin film detection during fluid aspiration
The accurate determination of the presence of a fluid in a container is determined by assessing the difference in various pressure readings relative to a threshold value. The method distinguishes between actual aspiration of a fluid and aspiration of a fi...
11/26/2002
6440370Repeater pipette with a hydraulic operating device
A pipetting system including a syringe (2), a working piston (5) connectable with the syringe piston (24) and extending into a working chamber (3), an actuating piston (7) extending into the working chamber, and a storage chamber (4) connected with the wo...
08/27/2002
6428750Volume adjustable manual pipette with quick set volume adjustment
A volume adjustable manual pipette having a hand-holdable housing supporting (i) an electronic digital display and associated position sensing and control circuitry, (ii) a plunger unit and (iii) a quick set volume adjustment mechanism for simultaneously ...
08/06/2002
6365110Blowout springless manual air displacement pipette with mechanical assist for aiding in locating and maintaining pipette plunger at a home position
A blowout springless manual air displacement pipette including a mechanical assist for generating a mechanical force opposing a return spring force on a plunger unit to aid a pipette user in locating and maintaining the plunger unit at a "home" position w...
04/02/2002
6352673Ergonomic return springless manual air displacement pipette
An ergonomic, manually precisely controllable return springless air displacement pipette relying on the friction of a piston seal to maintain a plunger unit of the pipette in any axial location established by a user of the pipette....
03/05/2002
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