Assignee
COULTER CORP
US99 patents
Top patents by PatentIndex Score
US5653686AAug 5, 1997
Closed vial transfer method and system
COULTER CORP167 citations99
US5616501AApr 1, 1997
Reticulocyte analyzing method and apparatus utilizing light scatter techniques
COULTER CORP166 citations99
US5248772ASep 28, 1993
Formation of colloidal metal dispersions using aminodextrans as reductants and protective agents
COULTER CORP117 citations98
US4981580AJan 1, 1991
Coincidence arbitration in a flow cytomery sorting system
COULTER CORP214 citations97
US5786224AJul 28, 1998
Reagent and method for differential determination of leukocytes in blood
COULTER CORP61 citations96
US5776706AJul 7, 1998
Polymeric particles having a biodegradable gelatin or aminodextran coating and processes for making same
COULTER CORP91 citations96
US5707877AJan 13, 1998
Biodegradable gelatin-aminodextran particle coatings of and processes for making same
COULTER CORP74 citations96
US5639620AJun 17, 1997
Polymeric particles having a biodegradable gelatin or aminodextran coating and process for making same
COULTER CORP76 citations96
US5603342AFeb 18, 1997
Apparatus for cleaning a fluid sample probe
COULTER CORP56 citations96
US5529933AJun 25, 1996
Suspension media for hematological composition and method for its use
COULTER CORP117 citations96
US5492833AFeb 20, 1996
Reticulocyte analyzing method and apparatus utilizing light scatter techniques
COULTER CORP78 citations96
US5466609ANov 14, 1995
Biodegradable gelatin-aminodextran particle coatings of and processes for making same
COULTER CORP80 citations96
US5464752ANov 7, 1995
Automated analyzer for screening cells or formed bodies for enumeration of populations expressing selected characteristics
COULTER CORP76 citations96
US5270445ADec 14, 1993
Method of forming fine polymer particles and polymer-encapsulated particulates
COULTER CORP41 citations96
US5240640AAug 31, 1993
In situ use of gelatin or an aminodextran in the preparation of uniform ferrite particles
COULTER CORP72 citations96
US5238812AAug 24, 1993
Method and apparatus for rapid mixing of small volumes for enhancing biological reactions
COULTER CORP69 citations96
US5169754ADec 8, 1992
Biodegradable particle coatings having a protein covalently immobilized by means of a crosslinking agent and processes for making same
COULTER CORP86 citations96
US4743543AMay 10, 1988
Method for enhancing and/or accelerating immunoassay detection of human carcinoma tumor associated antigen in a pathology sample
COULTER CORP54 citations96
US4691829ASep 8, 1987
Method of and apparatus for detecting change in the breakoff point in a droplet generation system
COULTER CORP137 citations96
US5698411ADec 16, 1997
Method for determining activity of enzymes in metabolically active whole cells
COULTER CORP75 citations95
US5552086ASep 3, 1996
Immobilized metal colloids on dispersed polymer microspheres
COULTER CORP115 citations95
US4708930ANov 24, 1987
Monoclonal antibody to a human carcinoma tumor associated antigen
COULTER CORP87 citations95
US5871946AFeb 16, 1999
Method for determining activity of enzymes in metabolically active whole cells
COULTER CORP81 citations94
US5610712AMar 11, 1997
Laser diffraction particle sizing method using a monomode optical fiber
COULTER CORP63 citations94
US5576185ANov 19, 1996
Method of positive or negative selection of a population or subpopulation of a sample utilizing particles and gravity sedimentation
COULTER CORP80 citations94
US5542305AAug 6, 1996
Liquid metering and transfer valve assembly particularly for flow cytometer
COULTER CORP46 citations94
US5512485AApr 30, 1996
Hematology control composition including leukocyte analogs; and methods for their preparation and use
COULTER CORP64 citations94
US5380664AJan 10, 1995
Hematology control compositions for three populations of leukocytes; and methods for their preparation and use in whole blood control systems
COULTER CORP52 citations94
US5348859ASep 20, 1994
Method and apparatus for obtaining an absolute white blood cell subset count and white blood cell multipart differential
COULTER CORP63 citations94
US5320964AJun 14, 1994
Hematology control composition including leukocyte analogs; and methods for their preparation and use
COULTER CORP75 citations94
US5059518AOct 22, 1991
Stabilized lyophilized mammalian cells and method of making same
COULTER CORP112 citations94
US4487320ADec 11, 1984
Method of and apparatus for detecting change in the breakoff point in a droplet generation system
COULTER CORP97 citations94
US5658741AAug 19, 1997
Anti-CD3 antibody-aminodextran conjugates for induction of T-cell activation and proliferation
COULTER CORP46 citations93
US5607565AMar 4, 1997
Apparatus for measuring analytes in a fluid sample
COULTER CORP276 citations93
US5527713AJun 18, 1996
Anti-CD3 antibody-aminodextran conjugates for induction of T-cell activation and proliferation
COULTER CORP47 citations93
US5456887AOct 10, 1995
Tube adapter
COULTER CORP82 citations93
US5367474ANov 22, 1994
Flow cytometer
COULTER CORP156 citations93
US4845025AJul 4, 1989
Biological sample mixing apparatus and method
COULTER CORP173 citations93
US5776720AJul 7, 1998
Assay reagent
COULTER CORP24 citations92
US5692220ANov 25, 1997
Decision support system and method for diagnosis consultation in laboratory hematopathology
COULTER CORP111 citations92
US5686308ANov 11, 1997
Reagent and method for differential determination of leukocytes in blood
COULTER CORP41 citations92
US5272257ADec 21, 1993
Method of preferential labelling of a phycobiliprotein with an amine-reactive dye for use in a multiple color assay and product for such use
COULTER CORP42 citations92
US5262302ANov 16, 1993
Method for screening white blood cells
COULTER CORP23 citations92
US5260192ANov 9, 1993
Method and apparatus for screening cells or formed bodies with populations expressing selected characteristics utilizing at least one sensing parameter
COULTER CORP43 citations92
US5223398AJun 29, 1993
Method for screening cells or formed bodies for enumeration of populations expressing selected characteristics
COULTER CORP28 citations92
US5221483AJun 22, 1993
Process and apparatus for removal of DNA, viruses and endotoxins
COULTER CORP63 citations92
US5171846ADec 15, 1992
Method of preferential labelling of a phycobiliprotein with a second dye for use in a multiple color assay and product for such use
COULTER CORP39 citations92
US5164311ANov 17, 1992
Preparation of an antibody-enzyme conjugate
COULTER CORP33 citations92
US5158751AOct 27, 1992
Liquid metering and transfer valve assembly
COULTER CORP28 citations92
US5120642AJun 9, 1992
Monoclonal antibody which distinguishes helper inducer and suppressor inducer cd4+ lymphocytes
COULTER CORP31 citations92
Showing the top 50 of 99 patents by PatentIndex Score.