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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:
| Patent Number |
Title Of Patent |
Date Issued |
| 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 |
| 6780648 |
Method and system for selectively distributing luminescence material precursors |
Aug. 24, 2004 |
| 6713021 |
Dispensing method and assembly for liquid droplets |
Mar. 30, 2004 |
| 6709872 |
Method and apparatus for dispensing low nanoliter volumes of liquid while minimizing waste |
Mar. 23, 2004 |
| 6706538 |
Microvolume liquid dispensing array |
Mar. 16, 2004 |
| 6702990 |
Spot picker |
Mar. 9, 2004 |
| 6669909 |
Liquid droplet dispensing |
Dec. 30, 2003 |
| 6645433 |
Ergonomic return springless manual air displacement pipette |
Nov. 11, 2003 |
| 6627160 |
Multiple channel pipetting device |
Sep. 30, 2003 |
| 6620383 |
Microvolume liquid dispensing device |
Sep. 16, 2003 |
| 6607662 |
Apparatus for purifying nucleic acids and proteins |
Aug. 19, 2003 |
| 6589483 |
Liquid dispenser |
Jul. 8, 2003 |
| 6582664 |
Multichannel pipette head |
Jun. 24, 2003 |
| 6550349 |
Pipette tip holder |
Apr. 22, 2003 |
| 6540964 |
Pipette for a pipette system |
Apr. 1, 2003 |
| 6537505 |
Reagent dispensing valve |
Mar. 25, 2003 |
| 6482361 |
Suction Device |
Nov. 19, 2002 |
| 6461572 |
Method and apparatus for concentrating a solute in solution with a solvent |
Oct. 8, 2002 |
| 6455006 |
Apparatus for aspirating and discharging a sample quantity |
Sep. 24, 2002 |
| 6440370 |
Repeater pipette with a hydraulic operating device |
Aug. 27, 2002 |
| 6428750 |
Volume adjustable manual pipette with quick set volume adjustment |
Aug. 6, 2002 |
| 6399024 |
Multichannel pipette head |
Jun. 4, 2002 |
| 6387330 |
Method and apparatus for storing and dispensing reagents |
May. 14, 2002 |
| 6365110 |
Blowout springless manual air displacement pipette with mechanical assist for aiding in locating and maintaining pipette plunger at a home position |
Apr. 2, 2002 |
| 6352673 |
Ergonomic return springless manual air displacement pipette |
Mar. 5, 2002 |
| 6299841 |
Bilaterally symmetrical battery powered microprocessor controlled lightweight hand-holdable electronic pipette |
Oct. 9, 2001 |
| 6258324 |
Pipette dispensing block |
Jul. 10, 2001 |
| 6254832 |
Battery powered microprocessor controlled hand portable electronic pipette |
Jul. 3, 2001 |
| 6250154 |
Oil and gas metering and measuring device |
Jun. 26, 2001 |
| 6207112 |
Piston burette for a burette apparatus |
Mar. 27, 2001 |
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