Method and device for simultaneously transferring plural samples

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5525302
SERIAL NO

07649431

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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In a preferred embodiment, a multiple sample transfer device which includes a plurality of hollow pistons disposed in a like number of cylindrical channels and connected to a moving plate to permit simultaneous movement of the pistons. At the lower end of each channel is a removable pipette tip. An apparatus is provided to bring a multiwell sample tray into operating engagement with the pipette tips. Flexible tubes are attached between the upper ends of the hollow pistons and a liquid reservoir. Clamping devices are provided to permit the selective pinching or opening of the tubes. When the tubes are pinched, the pistons can be used in either liquid-back-filled or air displacement modes to aspirate and dispense liquids from and to the sample tray. When the tubes are selectively sequentially pinched or open, aspiration and dispensing can be controlled by the timing of the pinching and the provision of vacuum or pressure in the liquid reservoir. All operations, including mounting and removal of the pipette tips, can be automatically controlled through use of a programmable computer.

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First Claim

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Patent Owner(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Astle, Thomas W 607 Harborview Rd., Orange, CT 06477 28 649

Cited Art Landscape

Patent Info (Count) # Cites Year
 
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Other [Check patent profile for assignment information] (2)
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Pye (Electronic Products) Limited (1)
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Costar Corporation (1)
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SCHIAPPARELLI BIOSYSTEMS, INC. (1)
* 4459864 Fluid loading and dispensing device 25 1982
* Cited By Examiner

Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
Other [Check patent profile for assignment information] (10)
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GEN-PROBE INCORPORATED (7)
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Johnson & Johnson Clinical Diagnostics, Inc. (1)
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ABBOTT MOLECULAR INC. (2)
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Hamilton Company (1)
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VIAFLOW CORPORATION (1)
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Protedyne Corporation (5)
7438857 Liquid handling tool having porous plunger 27 2003
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ONTOGEN CORPORATION (1)
6416718 Sample wash station assembly 35 1999
 
MARSHFIELD CLINIC RESEARCH FOUNDATION (2)
7232547 Apparatus and method for testing and continuously reading low-volume samples 4 2003
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GRENOVA, LLC (3)
9421289 Pipette tip washing device 2 2014
9579696 Cleaning solution and method of cleaning laboratory consumables 0 2015
9744570 Pipette tip washing device 0 2015
 
MORITEX CORPORATION (1)
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SARTORIUS BIOHIT LIQUID HANDLING OY (1)
* 8318108 Suction device 1 2010
 
GOLDMAN SACHS BANK USA (1)
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6685884 Methods for rapidly identifying useful chemicals in liquid sample 40 1999
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Drummond Scientific Company (1)
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SS8 NETWORKS, INC. (1)
* 6258324 Pipette dispensing block 35 1999
 
Cosmotec Co., Ltd. (1)
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RareCyte, Inc. (3)
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TECAN TRADING AG (2)
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MATRIX TECHNOLOGIES LLC (1)
9696332 Automated liquid handling device 0 2011
 
SARYNA BIOTECHNOLOGIES LLC, D.B.A. SARYNA TECHNOLOGIES LLC (2)
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APPLERA CORPORATION (1)
7361309 Matrix storage and dispensing system 5 2006
 
Brand GmbH & Co. KG Fabrik fur Laborgerate (1)
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BRAND GMBH + CO KG (1)
* 6627160 Multiple channel pipetting device 36 2001
 
Perkinelmer Health Sciences, Inc. (5)
* 8809069 Lab members and liquid handling systems and methods including same 0 2012
* 2012/0291,872 Lab Members and Liquid Handling Systems and Methods Including Same 17 2012
9073052 Lab members and liquid handling systems and methods including same 1 2013
9259737 Lab members and liquid handling systems and methods including same 0 2014
9283557 Lab members and liquid handling systems and methods including same 0 2015
 
INTEGRA BIOSCIENCES AG (3)
* 8501118 Disposable pipette tip 3 2009
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8877513 Method of using a disposable pipette tip 1 2013
 
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MATRIX TECHNOLOGIES CORPORATION (1)
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BIO-MAGNETICS LTD. (2)
* 7219567 Combinatorial pipettor device 4 2005
* 2006/0144,169 Combinatorial pipettor device 4 2005
* Cited By Examiner