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Class Information
Number: 73/864.15
Name: Measuring and testing > Sampler, sample handling, etc. > Capture device > Pipette or cannula > With suction applying and liquid discharge means > With valve for connection to external pressure source
Description: Subject matter wherein the pressure-controlling means includes a means to open or close communication to a pressure source or ambient air.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7413711 |
System for dispensing a precise amount of fluid |
Aug. 19, 2008 |
| 7396512 |
Automatic precision non-contact open-loop fluid dispensing |
Jul. 8, 2008 |
| 7288228 |
Sample injection system |
Oct. 30, 2007 |
| 6997068 |
Foot-operated pipette dispenser |
Feb. 14, 2006 |
| 6989132 |
Liquid transfer apparatus and reaction vessel |
Jan. 24, 2006 |
| 6810923 |
Pipet for liquid exchange |
Nov. 2, 2004 |
| 6674022 |
Apparatus and method for transferring and weighing powder materials using pipette transfer devices |
Jan. 6, 2004 |
| RE38281 |
Dispensing apparatus having improved dynamic range |
Oct. 21, 2003 |
| 6575209 |
Proportioning head |
Jun. 10, 2003 |
| 6544480 |
Device and related method for dispensing small volumes of liquid |
Apr. 8, 2003 |
| 6499364 |
Tip for a suction device |
Dec. 31, 2002 |
| 6420186 |
Method for depositing a flattened droplet on a surface and apparatus therefor, and a pump therefor |
Jul. 16, 2002 |
| RE37734 |
Dispensing bulb |
Jun. 11, 2002 |
| 6253628 |
Apparatus for drawing liquids into and expelling liquids from a pipet at variable flow rates |
Jul. 3, 2001 |
| 6158269 |
Method and apparatus for aspirating and dispensing sample fluids |
Dec. 12, 2000 |
| 6119533 |
Sampling system with selectable pumps to communicate with reading station |
Sep. 19, 2000 |
| 6060320 |
Method of verifying aspirated volume in automatic diagnostic system |
May. 9, 2000 |
| 6024925 |
Systems and methods for preparing low volume analyte array elements |
Feb. 15, 2000 |
| 5916524 |
Dispensing apparatus having improved dynamic range |
Jun. 29, 1999 |
| 5885532 |
Burette apparatus |
Mar. 23, 1999 |
| 5874296 |
Method and apparatus for liquid medium exchange |
Feb. 23, 1999 |
| 5783451 |
Pipetting unit and method for liquids |
Jul. 21, 1998 |
| 5775546 |
Dispensing bulb |
Jul. 7, 1998 |
| 5750881 |
Method and apparatus for aspirating and dispensing sample fluids |
May. 12, 1998 |
| 5660797 |
Apparatus and method of making a pipette receptacle |
Aug. 26, 1997 |
| 5614153 |
Pipette tip ejector |
Mar. 25, 1997 |
| 5558838 |
Sample preparation apparatus |
Sep. 24, 1996 |
| 5525302 |
Method and device for simultaneously transferring plural samples |
Jun. 11, 1996 |
| 5506142 |
Probe wash for liquid analysis apparatus |
Apr. 9, 1996 |
| 5408890 |
Portable sampling apparatus |
Apr. 25, 1995 |
| 5364596 |
Manual pipette with plunger velocity governor, home position latch and trigger release |
Nov. 15, 1994 |
| 5348606 |
Method of making a multiple pipette sampler system |
Sep. 20, 1994 |
| 5271903 |
Supercritical fluid extraction restrictor and collection system |
Dec. 21, 1993 |
| 5257527 |
Method and apparatus for measuring components of an ambient fluid |
Nov. 2, 1993 |
| 5214968 |
Pipet filling and discharge device |
Jun. 1, 1993 |
| 5209128 |
Safety pipette and adaptor tip |
May. 11, 1993 |
| 5058441 |
Safety pipette and adaptor tip |
Oct. 22, 1991 |
| 5035150 |
Pipetting method |
Jul. 30, 1991 |
| 4999164 |
Pipetting device comprising a retaining cone for holding a slip-on pipette tip and pipette tip for such pipetting device |
Mar. 12, 1991 |
| 4926701 |
Pipetting method and apparatus |
May. 22, 1990 |
| 4811599 |
Borehole sampling |
Mar. 14, 1989 |
| 4780833 |
System for measuring liquid |
Oct. 25, 1988 |
| 4624147 |
Pipet gun for drawing liquid into and expelling it from a pipet |
Nov. 25, 1986 |
| 4610170 |
Method for the dilution of liquid samples |
Sep. 9, 1986 |
| 4532805 |
Pipette system |
Aug. 6, 1985 |
| 4294125 |
Pipette controller with graduate reading plunger and lever assembly for gravity drainage |
Oct. 13, 1981 |
| 4257268 |
Pipetter |
Mar. 24, 1981 |
| 4134730 |
Spotting systems and methods pertaining thereto |
Jan. 16, 1979 |
| 4091677 |
Pipetting apparatus |
May. 30, 1978 |
| 4016765 |
Pipette controller with graduate reading plunger |
Apr. 12, 1977 |
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