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Class Information
Number: 73/864.13
Name: Measuring and testing > Sampler, sample handling, etc. > Capture device > Pipette or cannula > With suction applying and liquid discharge means > Piston within pipette
Description: Subject matter wherein the pressure-controlling means is a plunger contacting the interior walls of the tube.










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8701507 Metering apparatus having a metering pipette Apr. 22, 2014
8685342 Device for receiving and dispensing liquids Apr. 1, 2014
8679421 Dispensing device and analyzer Mar. 25, 2014
8656792 Pipette device having a throttle point in the pipette duct Feb. 25, 2014
8652418 Pipette for a pipette system having pipette and syringe Feb. 18, 2014
8524170 Pipette and sealing tip Sep. 3, 2013
8475741 Droplet discharging device Jul. 2, 2013
8398934 Coupling system for use with fluid displacement apparatus Mar. 19, 2013
8322577 Syringe with improved plunger Dec. 4, 2012
8318108 Suction device Nov. 27, 2012
8273307 Microdispenser and associated operating method Sep. 25, 2012
8268261 Pipette core member, pipette, and pipette device Sep. 18, 2012
8227258 Delivery and sensing of metered amounts of liquid materials Jul. 24, 2012
8147773 Method and apparatus for modifying pressure within a fluid dispenser Apr. 3, 2012
8033188 Pipettor software interface Oct. 11, 2011
7976793 Electronic pipette Jul. 12, 2011
7972575 Two-phase pipette Jul. 5, 2011
7947512 Dispensing cylinder, large capacity dispensing device, and method of using large capacity dispensing device May. 24, 2011
7790115 Pipetting apparatus Sep. 7, 2010
7792647 Quantitatively measuring error causing parameters in fluid handling Sep. 7, 2010
7770475 Hybrid manual-electronic pipette Aug. 10, 2010
7748281 Dispensing apparatus, dispensing method, and analyzer Jul. 6, 2010
7709268 Sampling/dispensing device with plunger and housing set onto plunger May. 4, 2010
7690274 Pipette with a tip removing mechanism Apr. 6, 2010
7682568 Pipette with tip container Mar. 23, 2010
7673532 Pipetting device Mar. 9, 2010
7640787 Pipette verification device and pipette Jan. 5, 2010
7595027 Nozzle device for aliquoting and dispensing specimen incorporated reference Sep. 29, 2009
7459128 Microfluidic mixing and dispensing Dec. 2, 2008
7438857 Liquid handling tool having porous plunger Oct. 21, 2008
7438858 Dispensing assembly for liquid droplets Oct. 21, 2008
7421913 Pipette Sep. 9, 2008
7418880 Sample collector using a syringe with a side port in the barrel Sep. 2, 2008
7413711 System for dispensing a precise amount of fluid Aug. 19, 2008
7402286 Capillary pins for high-efficiency microarray printing device Jul. 22, 2008
7378058 Method and apparatus for modifying pressure within a fluid dispenser May. 27, 2008
7264779 Pipette with tip ejector Sep. 4, 2007
7171863 Transfer unit and automatic analyzing apparatus having such transfer unit Feb. 6, 2007
7125727 Sample handling tool with piezoelectric actuator Oct. 24, 2006
7077018 Cleanable volume displacement pipetter Jul. 18, 2006
6989132 Liquid transfer apparatus and reaction vessel Jan. 24, 2006
6945128 Fluid dispenser Sep. 20, 2005
6926867 Pipette piston seal assembly Aug. 9, 2005
6923938 Hand-held pipettor Aug. 2, 2005
6902704 Injection pump assembly for a combinatorial reactor and related method Jun. 7, 2005
6840121 Self-powered fluid sampler Jan. 11, 2005
6838278 Device for cell transfer Jan. 4, 2005
6814936 Pipette assembly having a small volume disposable tip Nov. 9, 2004
6805015 Dual resolution syringe Oct. 19, 2004
6787367 Suction device Sep. 7, 2004

1 2 3 4










 
 
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