| Patents for B01L 3 - Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers (47,104) |
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| 09/04/1990 | US4953975 Correction of material layer volume measurements |
| 09/04/1990 | US4953741 Medical fail safe releasible locks and/or seals for capped disposable centrifuge containers, cryogenic vials and the like |
| 09/04/1990 | US4953561 Urine testing module and method of collecting urine antigen |
| 08/29/1990 | CN2061083U Quantitative absorption liquid bag |
| 08/28/1990 | US4952518 Automated assay machine and assay tray |
| 08/28/1990 | US4952516 Self-venting diagnostic test device |
| 08/28/1990 | US4952373 Liquid shield for cartridge |
| 08/23/1990 | WO1990009596A1 Testing of liquids |
| 08/23/1990 | WO1990009330A1 Elastic plug for containers |
| 08/23/1990 | WO1990005903A3 Coded cuvette for use in testing apparatus |
| 08/23/1990 | DE3904889A1 Vorrichtung und verfahren zum abtrennen von beweglichen zellen von weniger beweglichen oder unbeweglichen zellen in einer ein zellgemisch enthaltenden probe Apparatus and method for mobile cell separated from less movable or immovable cells in a cell mixture containing sample |
| 08/22/1990 | EP0383564A2 Stopper remover apparatus |
| 08/22/1990 | EP0383563A2 Nozzle geometry for the control of liquid dispensing |
| 08/22/1990 | EP0383262A2 Liquid collection tube |
| 08/22/1990 | CN1044773A Differential liquid gauge |
| 08/21/1990 | US4949858 Sample bottle and cap therefor |
| 08/21/1990 | US4949840 Specimen collection kit for mailing |
| 08/21/1990 | CA1272942A1 Process and device to dispence a predetermined amount of plasma from a blood specimen for analysis |
| 08/16/1990 | EP0382207A2 Analytical element for whole blood |
| 08/16/1990 | DE3904258A1 Method and device for the relative assignment of sample quantity supplier and sample vessel |
| 08/15/1990 | CN2060549U Testing tube for measuring oil floc point of refrigerating unit |
| 08/14/1990 | US4948961 Capillary flow device |
| 08/14/1990 | US4948564 In frangible webs |
| 08/14/1990 | US4948442 Method of making a multiwell test plate |
| 08/14/1990 | CA1272669A1 Apparatus designed to allow automatic and continuous storage, processing and analysis of biological samples |
| 08/09/1990 | DE3903241A1 Process for filling a manually-operated pipetting device and apparatus for carrying out the process |
| 08/08/1990 | EP0381501A2 Containment cuvette for PCR and method of use |
| 08/07/1990 | US4946797 Continuous diluting with water after stopping applying microwave energy to prevent a sudden surge in gas evolution |
| 08/02/1990 | DE3843155C1 Device for the vacuum-tight closure or connection of a pipe end |
| 07/31/1990 | US4944923 Autoclave for the pressure digestion of sample materials in analytical chemistry |
| 07/26/1990 | WO1990008308A1 Method and device for sampling a liquid containing a dissolved gas |
| 07/26/1990 | WO1990008196A1 Apparatus and methods for antimicrobial susceptibility testing of microorganisms |
| 07/25/1990 | EP0379150A2 Device for keeping two tube ends together |
| 07/24/1990 | US4943415 Clinical analyzer, sliding test elements |
| 07/24/1990 | US4942966 Containment device for a test tube |
| 07/24/1990 | CA1271927A1 Closed container opener |
| 07/19/1990 | DE3901130A1 Process and apparatus for evaluating the ability of mixtures to be fractionated |
| 07/18/1990 | EP0378353A2 Apparatus for collecting biological fluid |
| 07/18/1990 | EP0377721A1 Process for carrying out reactions with minimal quantities of fluid samples. |
| 07/11/1990 | EP0377504A2 Positively engaged pipette and pipette support |
| 07/11/1990 | EP0377355A1 Bottle stopper |
| 07/04/1990 | EP0376109A2 Test strip analysing system |
| 07/04/1990 | EP0376098A2 Test container for apparatuses to detect or measure gases |
| 07/04/1990 | EP0308494A4 Element and method for performing biological assays accurately, rapidly and simply. |
| 07/03/1990 | US4938929 Pipette fits through stopper |
| 07/03/1990 | US4938927 Rotary fluid manipulator |
| 06/28/1990 | WO1990006724A1 Method and apparatus for measuring sperm penetration |
| 06/21/1990 | DE3941168A1 Heated micro-titration plate - has cuvettes, plate-shaped member, temp. probes and sensors, ceramic plate and heating elements |
| 06/20/1990 | EP0374034A2 A standard substance for optical calibration and method of making same |
| 06/20/1990 | EP0373667A2 Liquid collecting tube |
| 06/19/1990 | US4935020 Device for use in the handling of body fluids |
| 06/19/1990 | US4934564 Drop jet metering method and system |
| 06/14/1990 | WO1990006267A1 Cap |
| 06/13/1990 | EP0372755A1 Method of distinguishing among strips for different assays in an automated instrument |
| 06/13/1990 | CN1042989A Fully-automatic balance titrator |
| 06/12/1990 | US4933291 Centrifugable pipette tip and pipette therefor |
| 06/12/1990 | US4933148 Replacable and easily cleanable |
| 06/12/1990 | US4933147 Unitized reagent containment system for clinical analyzer |
| 06/12/1990 | US4933092 Matrix of hydrophilic sintered porous material |
| 06/06/1990 | EP0371054A1 Rotor for processing liquids using movable capillary tubes. |
| 06/05/1990 | US4931257 Positively engaged pipette and pipette support |
| 06/02/1990 | CA2003948A1 Method of distinguishing among strips for different assays in an automated instrument |
| 05/31/1990 | WO1990005910A1 Wholly microfabricated biosensors and process for the manufacture and use thereof |
| 05/31/1990 | WO1990005906A1 Dual absorbent analyte detection |
| 05/31/1990 | WO1990005903A2 Coded cuvette for use in testing apparatus |
| 05/29/1990 | US4929428 Quantitative pipette |
| 05/22/1990 | US4927764 Tissue culture flask |
| 05/22/1990 | US4927604 Multiwell filter plate vacuum manifold assembly |
| 05/22/1990 | US4927062 Precision micro-liter drop dispenser |
| 05/17/1990 | WO1990005284A1 A method and apparatus for precise dosage measuring of liquid materials |
| 05/17/1990 | DE3838626A1 Suction pipette having a heating/cooling device |
| 05/16/1990 | EP0368241A2 Blood filter, method and apparatus for hemorheological measurement |
| 05/16/1990 | CA2003002A1 Coded cuvette for use in testing apparatus |
| 05/15/1990 | US4925629 Diagnostic device |
| 05/15/1990 | US4925627 Oil sampling device |
| 05/15/1990 | US4925065 Dispensing apparatus |
| 05/15/1990 | US4925029 Combination mailer |
| 05/09/1990 | CN2056869U Manual liquid transfering device |
| 05/08/1990 | US4923072 Tube, stopper and compression ring for blood sampling systems |
| 05/03/1990 | WO1990004802A1 Stage for the rapid and indexed analysis with a microscope of filters and other supports carrying multiple samples, and method for analyzing such samples by using said stage |
| 05/03/1990 | WO1990004770A1 Apparatus and method for storing samples of protein gene products, insert-containing cells or dna |
| 05/03/1990 | WO1990004647A1 Sampling device |
| 05/03/1990 | WO1990004376A1 Multilayer absorbent pad |
| 05/02/1990 | EP0366241A2 Device with adsorbent surface and method |
| 05/01/1990 | US4921677 Sliding valve for vent of liquid collecting compartment |
| 05/01/1990 | CA1268405A1 Storage container of samples for analysis |
| 04/25/1990 | EP0364621A1 Pipetting device |
| 04/24/1990 | US4920057 Solvent extraction of dithizone complex with metal cations; drinking water analysis |
| 04/19/1990 | WO1990003927A1 Occult blood sampling device and assay |
| 04/19/1990 | WO1990003844A1 A sample plate with a plurality of sample wells or vials intended for radiolabeled binding assays |
| 04/18/1990 | EP0364203A1 A liquid drop forming device |
| 04/18/1990 | EP0363450A1 Pipette device. |
| 04/18/1990 | CN1007659B Liquid sampling valve |
| 04/17/1990 | US4918025 Self contained immunoassay element |
| 04/17/1990 | US4917867 Foam cushion, protective collar |
| 04/17/1990 | US4917707 By diffusion |
| 04/17/1990 | US4917274 Miniscule droplet dispenser tip |
| 04/14/1990 | CA2000580A1 Occult blood sampling device and assay |
| 04/11/1990 | EP0362986A2 Centrifuge tubes |
| 04/11/1990 | EP0362911A1 Bottle for controllably dispensing a liquid by drops |