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Class Information
Number: 422/923
Name: Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing > Burettes; pipettes [b01l 3/02] > Pipettes, i.e., with only one conduit for withdrawing and redistributing liquids [b01l 3/02c] > Plunger pump type [b01l 3/02c3]
Description:
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6540964 |
Pipette for a pipette system |
Apr. 1, 2003 |
| 6335204 |
Fixed volume liquid transfer device and method for transferring liquids |
Jan. 1, 2002 |
| 6143252 |
Pipetting device with pipette tip for solid phase reactions |
Nov. 7, 2000 |
| 6019004 |
Detachable pipette barrel |
Feb. 1, 2000 |
| 5481900 |
Pipette system |
Jan. 9, 1996 |
| 5456885 |
Fluid collection, separation and dispensing tube |
Oct. 10, 1995 |
| 5111703 |
Liquid aspirating pipette and dispensing system |
May. 12, 1992 |
| 5104625 |
Pipetter device |
Apr. 14, 1992 |
| 5092184 |
Cell staining system for flow cytometry |
Mar. 3, 1992 |
| 5061449 |
Expandable multi-channel pipetter |
Oct. 29, 1991 |
| 5057281 |
Adjustable multi-channel pipetter |
Oct. 15, 1991 |
| 5021217 |
Multipipet |
Jun. 4, 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 |
| 4982740 |
Method for use in the handling of body fluids |
Jan. 8, 1991 |
| 4935020 |
Device for use in the handling of body fluids |
Jun. 19, 1990 |
| 4875605 |
Pressurized metering dispenser |
Oct. 24, 1989 |
| 4873059 |
Pipette device |
Oct. 10, 1989 |
| 4801434 |
Dual pipette device |
Jan. 31, 1989 |
| 4780833 |
System for measuring liquid |
Oct. 25, 1988 |
| 4734261 |
Duplex pipette |
Mar. 29, 1988 |
| 4728501 |
Adjustable liquid sampling apparatus |
Mar. 1, 1988 |
| 4689204 |
Multiple step reagent delivery system |
Aug. 25, 1987 |
| 4669486 |
Device for taking and dispensing blood samples for the purpose of determining blood sedimentation |
Jun. 2, 1987 |
| 4639248 |
Syringe |
Jan. 27, 1987 |
| 4625572 |
Cylinder pump |
Dec. 2, 1986 |
| 4602726 |
Dispensing device |
Jul. 29, 1986 |
| 4601212 |
Precision micropipettor |
Jul. 22, 1986 |
| 4599220 |
Multi-channel pipetter |
Jul. 8, 1986 |
| 4526046 |
Method and apparatus for transferring a liquid sample |
Jul. 2, 1985 |
| 4498510 |
Device for drawing, holding and dispensing liquid |
Feb. 12, 1985 |
| 4474071 |
Pipette |
Oct. 2, 1984 |
| 4469151 |
Fluid layering device |
Sep. 4, 1984 |
| 4467843 |
Method of operating a metering apparatus for liquid |
Aug. 28, 1984 |
| 4464941 |
Device for the contactless metering of liquids |
Aug. 14, 1984 |
| 4459997 |
Blood extracting and centrifuging device |
Jul. 17, 1984 |
| 4444062 |
Liquid transfer device |
Apr. 24, 1984 |
| 4418580 |
Pipettor mechanism and disposable tip and piston assembly |
Dec. 6, 1983 |
| 4399711 |
Method and apparatus ensuring full volume pickup in an automated pipette |
Aug. 23, 1983 |
| 4362064 |
Positive-displacement pipette |
Dec. 7, 1982 |
| 4315890 |
Device for the identification of volatile fluids |
Feb. 16, 1982 |
| 4285907 |
Pipette system for the volumetric extraction and linear deposition of a suspended material |
Aug. 25, 1981 |
| 4258761 |
Rehydrator |
Mar. 31, 1981 |
| 4231989 |
Multichannel system for the handling of immobilized biologically active substances |
Nov. 4, 1980 |
| 4197746 |
Slurry pipet |
Apr. 15, 1980 |
| 4178974 |
Flow controller |
Dec. 18, 1979 |
| 4119125 |
Method and apparatus for handling liquid samples |
Oct. 10, 1978 |
| 4072330 |
Slip-on pipette tip member and pipette device therefor |
Feb. 7, 1978 |
| 4054062 |
Hand-held micropipettor with improved accuracy of liquid volumes transferred |
Oct. 18, 1977 |
| 4054416 |
Apparatus for use in investigating specimens |
Oct. 18, 1977 |
| 4037464 |
Device for transferring blood or a similar fluid to a pipette |
Jul. 26, 1977 |
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