Assignee
COULTER CORP
US·99 granted patents·5,346 citations·filing 1978–1998
Top patents by PatentIndex Score
99 records- 0197US4981580ACoincidence arbitration in a flow cytomery sorting systemCOULTER CORP·Filed 1989·Granted Jan 1, 1991·214 cites·45 claims
- 0296US4691829AMethod of and apparatus for detecting change in the breakoff point in a droplet generation systemCOULTER CORP·Filed 1984·Granted Sep 8, 1987·137 cites·5 claims
- 0395US5616501AReticulocyte analyzing method and apparatus utilizing light scatter techniquesCOULTER CORP·Filed 1995·Granted Apr 1, 1997·166 cites·24 claims
- 0494US5529933ASuspension media for hematological composition and method for its useCOULTER CORP·Filed 1995·Granted Jun 25, 1996·117 cites·31 claims
- 0594US4487320AMethod of and apparatus for detecting change in the breakoff point in a droplet generation systemCOULTER CORP·Filed 1980·Granted Dec 11, 1984·97 cites·20 claims
- 0692US5248772AFormation of colloidal metal dispersions using aminodextrans as reductants and protective agentsCOULTER CORP·Filed 1992·Granted Sep 28, 1993·117 cites·37 claims
- 0792US5059518AStabilized lyophilized mammalian cells and method of making sameCOULTER CORP·Filed 1988·Granted Oct 22, 1991·112 cites·20 claims
- 0892US4845025ABiological sample mixing apparatus and methodCOULTER CORP·Filed 1987·Granted Jul 4, 1989·173 cites·24 claims
- 0991US5653686AClosed vial transfer method and systemCOULTER CORP·Filed 1995·Granted Aug 5, 1997·167 cites·32 claims
- 1091US5466609ABiodegradable gelatin-aminodextran particle coatings of and processes for making sameCOULTER CORP·Filed 1992·Granted Nov 14, 1995·80 cites·41 claims
- 1191US5367474AFlow cytometerCOULTER CORP·Filed 1993·Granted Nov 22, 1994·156 cites·46 claims
- 1290US5776706APolymeric particles having a biodegradable gelatin or aminodextran coating and processes for making sameCOULTER CORP·Filed 1997·Granted Jul 7, 1998·91 cites·9 claims
- 1390US5639620APolymeric particles having a biodegradable gelatin or aminodextran coating and process for making sameCOULTER CORP·Filed 1994·Granted Jun 17, 1997·76 cites·16 claims
- 1490US5492833AReticulocyte analyzing method and apparatus utilizing light scatter techniquesCOULTER CORP·Filed 1994·Granted Feb 20, 1996·78 cites·8 claims
- 1590US4708930AMonoclonal antibody to a human carcinoma tumor associated antigenCOULTER CORP·Filed 1985·Granted Nov 24, 1987·87 cites·38 claims
- 1689US5607565AApparatus for measuring analytes in a fluid sampleCOULTER CORP·Filed 1995·Granted Mar 4, 1997·276 cites·14 claims
- 1789US5603342AApparatus for cleaning a fluid sample probeCOULTER CORP·Filed 1995·Granted Feb 18, 1997·56 cites·5 claims
- 1889US5552086AImmobilized metal colloids on dispersed polymer microspheresCOULTER CORP·Filed 1993·Granted Sep 3, 1996·115 cites·35 claims
- 1989US5464752AAutomated analyzer for screening cells or formed bodies for enumeration of populations expressing selected characteristicsCOULTER CORP·Filed 1993·Granted Nov 7, 1995·76 cites·39 claims
- 2089US5320964AHematology control composition including leukocyte analogs; and methods for their preparation and useCOULTER CORP·Filed 1993·Granted Jun 14, 1994·75 cites·26 claims
- 2189US5169754ABiodegradable particle coatings having a protein covalently immobilized by means of a crosslinking agent and processes for making sameCOULTER CORP·Filed 1990·Granted Dec 8, 1992·86 cites·48 claims
- 2288US5707877ABiodegradable gelatin-aminodextran particle coatings of and processes for making sameCOULTER CORP·Filed 1995·Granted Jan 13, 1998·74 cites·13 claims
- 2388US5576185AMethod of positive or negative selection of a population or subpopulation of a sample utilizing particles and gravity sedimentationCOULTER CORP·Filed 1994·Granted Nov 19, 1996·80 cites·93 claims
- 2488US4244513ACentrifuge unitCOULTER CORP·Filed 1978·Granted Jan 13, 1981·90 cites·24 claims
- 2587US5786224AReagent and method for differential determination of leukocytes in bloodCOULTER CORP·Filed 1995·Granted Jul 28, 1998·61 cites·24 claims
- 2687US5692220ADecision support system and method for diagnosis consultation in laboratory hematopathologyCOULTER CORP·Filed 1993·Granted Nov 25, 1997·111 cites·18 claims
- 2787US5512485AHematology control composition including leukocyte analogs; and methods for their preparation and useCOULTER CORP·Filed 1994·Granted Apr 30, 1996·64 cites·15 claims
- 2887US5380664AHematology control compositions for three populations of leukocytes; and methods for their preparation and use in whole blood control systemsCOULTER CORP·Filed 1990·Granted Jan 10, 1995·52 cites·12 claims
- 2987US5270445AMethod of forming fine polymer particles and polymer-encapsulated particulatesCOULTER CORP·Filed 1991·Granted Dec 14, 1993·41 cites·33 claims
- 3087US5240640AIn situ use of gelatin or an aminodextran in the preparation of uniform ferrite particlesCOULTER CORP·Filed 1991·Granted Aug 31, 1993·72 cites·9 claims
- 3187US5238812AMethod and apparatus for rapid mixing of small volumes for enhancing biological reactionsCOULTER CORP·Filed 1990·Granted Aug 24, 1993·69 cites·33 claims
- 3286US5871946AMethod for determining activity of enzymes in metabolically active whole cellsCOULTER CORP·Filed 1995·Granted Feb 16, 1999·81 cites·32 claims
- 3385US5439645AApparatus for automatically, selectively handling multiple, randomly associated hematological samplesCOULTER CORP·Filed 1993·Granted Aug 8, 1995·98 cites·13 claims
- 3485US4886742AEnzyme immunoassay for detecting HIV antigens in human seraCOULTER CORP·Filed 1987·Granted Dec 12, 1989·67 cites·12 claims
- 3585US4870003ASimultaneous enzyme immunoassay for detecting antigen and/or antibody in humansCOULTER CORP·Filed 1987·Granted Sep 26, 1989·70 cites·14 claims
- 3684US5698411AMethod for determining activity of enzymes in metabolically active whole cellsCOULTER CORP·Filed 1995·Granted Dec 16, 1997·75 cites·77 claims
- 3784US4743543AMethod for enhancing and/or accelerating immunoassay detection of human carcinoma tumor associated antigen in a pathology sampleCOULTER CORP·Filed 1985·Granted May 10, 1988·54 cites·5 claims
- 3881US5610712ALaser diffraction particle sizing method using a monomode optical fiberCOULTER CORP·Filed 1995·Granted Mar 11, 1997·63 cites·5 claims
- 3981US5348859AMethod and apparatus for obtaining an absolute white blood cell subset count and white blood cell multipart differentialCOULTER CORP·Filed 1991·Granted Sep 20, 1994·63 cites·20 claims
- 4081US4516437AMicrosample handling apparatusCOULTER CORP·Filed 1983·Granted May 14, 1985·49 cites·20 claims
- 4180US5834315ACyanide-free reagent and method for hemoglobin determination and leukocyte differentitationCOULTER CORP·Filed 1994·Granted Nov 10, 1998·56 cites·18 claims
- 4278US5527713AAnti-CD3 antibody-aminodextran conjugates for induction of T-cell activation and proliferationCOULTER CORP·Filed 1995·Granted Jun 18, 1996·47 cites·9 claims
- 4377US5658741AAnti-CD3 antibody-aminodextran conjugates for induction of T-cell activation and proliferationCOULTER CORP·Filed 1995·Granted Aug 19, 1997·46 cites·12 claims
- 4477US5542305ALiquid metering and transfer valve assembly particularly for flow cytometerCOULTER CORP·Filed 1995·Granted Aug 6, 1996·46 cites·28 claims
- 4577US5451525AMethod and materials for determining particle count in a flow cytometerCOULTER CORP·Filed 1992·Granted Sep 19, 1995·60 cites·18 claims
- 4677US5272257AMethod of preferential labelling of a phycobiliprotein with an amine-reactive dye for use in a multiple color assay and product for such useCOULTER CORP·Filed 1992·Granted Dec 21, 1993·42 cites·13 claims
- 4776US5554505AMethod and apparatus for optically screening microscopic cellsCOULTER CORP·Filed 1993·Granted Sep 10, 1996·44 cites·38 claims
- 4876US5094961AAspiration method for hematology analyzing apparatusCOULTER CORP·Filed 1990·Granted Mar 10, 1992·52 cites·32 claims
- 4975US5260192AMethod and apparatus for screening cells or formed bodies with populations expressing selected characteristics utilizing at least one sensing parameterCOULTER CORP·Filed 1992·Granted Nov 9, 1993·43 cites·52 claims
- 5075US4888290AMonoclonal antibody specific to HIV antigensCOULTER CORP·Filed 1987·Granted Dec 19, 1989·38 cites·3 claims
Showing the top 50 of 99 patent records by PatentIndex Score.
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