Assignee
COULTER ELECTRONICS
US·185 granted patents·9,448 citations·filing 1971–1996
Top patents by PatentIndex Score
185 records- 0198US5125737AMulti-part differential analyzing apparatus utilizing light scatter techniquesCOULTER ELECTRONICS·Filed 1990·Granted Jun 30, 1992·306 cites·40 claims
- 0298US3963606ASemi-automatic adjusting delay for an electronic particle separatorCOULTER ELECTRONICS·Filed 1974·Granted Jun 15, 1976·105 cites·13 claims
- 0397US4286963ADifferential lymphoid-myeloid determination of leukocytes in whole bloodCOULTER ELECTRONICS·Filed 1979·Granted Sep 1, 1981·107 cites·17 claims
- 0497US4230558ASingle drop separatorCOULTER ELECTRONICS·Filed 1978·Granted Oct 28, 1980·143 cites·6 claims
- 0597US4162282AMethod for producing uniform particlesCOULTER ELECTRONICS·Filed 1976·Granted Jul 24, 1979·283 cites·7 claims
- 0696US4751179AMethod and reagents for differential determination of four populations of leukocytes in bloodCOULTER ELECTRONICS·Filed 1984·Granted Jun 14, 1988·137 cites·8 claims
- 0796US4666595AApparatus for acoustically removing particles from a magnetic separation matrixCOULTER ELECTRONICS·Filed 1985·Granted May 19, 1987·99 cites·13 claims
- 0896US4534465ACassette for supporting test tubes of different diameters and/or lengthsCOULTER ELECTRONICS·Filed 1983·Granted Aug 13, 1985·118 cites·13 claims
- 0996US4485175AMethod for three-volume differential determination of lymphocyte, monocyte and granulocyte populations of leukocytesCOULTER ELECTRONICS·Filed 1983·Granted Nov 27, 1984·99 cites·21 claims
- 1096US4348107AOrifice inside optical elementCOULTER ELECTRONICS·Filed 1980·Granted Sep 7, 1982·125 cites·17 claims
- 1196US4341471AApparatus and method for measuring the distribution of radiant energy produced in particle investigating systemsCOULTER ELECTRONICS·Filed 1979·Granted Jul 27, 1982·94 cites·84 claims
- 1296US4299726AProcess for preparing whole blood reference controls having long term stability, preconditioning diluent and media thereforCOULTER ELECTRONICS·Filed 1979·Granted Nov 10, 1981·84 cites·14 claims
- 1396US4276051ASystem and program for chemical reaction observation with a moving photometerCOULTER ELECTRONICS·Filed 1980·Granted Jun 30, 1981·166 cites·57 claims
- 1496US4014611AAperture module for use in particle testing apparatusCOULTER ELECTRONICS·Filed 1975·Granted Mar 29, 1977·116 cites·6 claims
- 1596US3982182AConductivity cell for particle study deviceCOULTER ELECTRONICS·Filed 1975·Granted Sep 21, 1976·76 cites·15 claims
- 1696US3932065APneumatically controlled liquid transfer systemCOULTER ELECTRONICS·Filed 1974·Granted Jan 13, 1976·101 cites·10 claims
- 1795US4704364AHematology control compositions for three populations of leukocytes; and methods for their preparation and use in whole blood control systemsCOULTER ELECTRONICS·Filed 1984·Granted Nov 3, 1987·97 cites·19 claims
- 1895US4609017AMethod and apparatus for transporting carriers of sealed sample tubes and mixing the samplesCOULTER ELECTRONICS·Filed 1983·Granted Sep 2, 1986·163 cites·28 claims
- 1995US4302166ADroplet forming apparatus for use in producing uniform particlesCOULTER ELECTRONICS·Filed 1979·Granted Nov 24, 1981·140 cites·5 claims
- 2095US4276258ASample and stat feeding system and sample trayCOULTER ELECTRONICS·Filed 1980·Granted Jun 30, 1981·142 cites·20 claims
- 2195US4273443AMethod and apparatus for measurement of reradiation in particle flow cell systemsCOULTER ELECTRONICS·Filed 1979·Granted Jun 16, 1981·71 cites·32 claims
- 2295US4264470ASelecting goat erythrocytes to simulate human platelets in hematologic reference controlsCOULTER ELECTRONICS·Filed 1979·Granted Apr 28, 1981·75 cites·11 claims
- 2395US4234539AApparatus for monitoring chemical reactions and employing moving photometer meansCOULTER ELECTRONICS·Filed 1979·Granted Nov 18, 1980·115 cites·5 claims
- 2495US4189236AEllipsoid-conic radiation collector and methodCOULTER ELECTRONICS·Filed 1978·Granted Feb 19, 1980·97 cites·15 claims
- 2595US4183013ASystem for extracting shape features from an imageCOULTER ELECTRONICS·Filed 1976·Granted Jan 8, 1980·260 cites·116 claims
- 2695US4009435AApparatus for preservation and identification of particles analyzed by flow-through apparatusCOULTER ELECTRONICS·Filed 1975·Granted Feb 22, 1977·73 cites·30 claims
- 2794US4513438AAutomated microscopy system and method for locating and re-locating objects in an imageCOULTER ELECTRONICS·Filed 1982·Granted Apr 23, 1985·187 cites·29 claims
- 2894US4389490AMethod of stabilizing platelets for determining multiple platelet parameters in reference control and calibrator compositions; and diluents thereofCOULTER ELECTRONICS·Filed 1981·Granted Jun 21, 1983·51 cites·14 claims
- 2994US4234538AApparatus for monitoring chemical reactions and employing moving photometer meansCOULTER ELECTRONICS·Filed 1977·Granted Nov 18, 1980·94 cites·12 claims
- 3094US4230231AClosure capCOULTER ELECTRONICS·Filed 1979·Granted Oct 28, 1980·104 cites·10 claims
- 3194US3973196AMethod and apparatus for ejecting a metered amount of particulate sampleCOULTER ELECTRONICS·Filed 1975·Granted Aug 3, 1976·66 cites·22 claims
- 3294US3944917AElectrical sensing circuitry for particle analyzing deviceCOULTER ELECTRONICS·Filed 1973·Granted Mar 16, 1976·81 cites·30 claims
- 3393US5155044ALysing reagent system for isolation, identification and/or analysis of leukocytes from whole blood samplesCOULTER ELECTRONICS·Filed 1991·Granted Oct 13, 1992·114 cites·13 claims
- 3493US4528274AMulti-purpose blood diluent and lysing agent for differential determination of lymphoid-myeloid population of leukocytesCOULTER ELECTRONICS·Filed 1983·Granted Jul 9, 1985·97 cites·24 claims
- 3593US4430299AApparatus for monitoring chemical reactionsCOULTER ELECTRONICS·Filed 1981·Granted Feb 7, 1984·151 cites·24 claims
- 3693US4405719AMethod of stabilizing platelets for determining multiple platelet parameters in reference control and calibrator compositions; diluents therefor; and combination stabilization proceduresCOULTER ELECTRONICS·Filed 1981·Granted Sep 20, 1983·39 cites·11 claims
- 3793US4358394AProcess for preparing whole blood reference controls having long term stabilityCOULTER ELECTRONICS·Filed 1981·Granted Nov 9, 1982·83 cites·10 claims
- 3893US4326851ALevel sensor apparatus and methodCOULTER ELECTRONICS·Filed 1980·Granted Apr 27, 1982·110 cites·36 claims
- 3993US4278086AVariable stop syringeCOULTER ELECTRONICS·Filed 1980·Granted Jul 14, 1981·78 cites·19 claims
- 4093US4234540AApparatus for monitoring chemical reactions and employing moving photometer meansCOULTER ELECTRONICS·Filed 1979·Granted Nov 18, 1980·84 cites·13 claims
- 4193US4213876AMulti-purpose blood diluent for use in electronic blood analysis instrumentationCOULTER ELECTRONICS·Filed 1978·Granted Jul 22, 1980·55 cites·8 claims
- 4293US4102810AStabilized hematological reagent solutionsCOULTER ELECTRONICS·Filed 1976·Granted Jul 25, 1978·64 cites·6 claims
- 4392US4781460ASystem for measuring the size distribution of particles dispersed in a fluidCOULTER ELECTRONICS·Filed 1987·Granted Nov 1, 1988·95 cites·44 claims
- 4492US4664796AFlux diverting flow chamber for high gradient magnetic separation of particles from a liquid mediumCOULTER ELECTRONICS·Filed 1985·Granted May 12, 1987·80 cites·16 claims
- 4592US4395676AFocused aperture moduleCOULTER ELECTRONICS·Filed 1980·Granted Jul 26, 1983·85 cites·14 claims
- 4692US4327972ARedirecting surface for desired intensity profileCOULTER ELECTRONICS·Filed 1979·Granted May 4, 1982·70 cites·13 claims
- 4792US4219440AMultiple analysis hematology reference control reagent and method of making the sameCOULTER ELECTRONICS·Filed 1979·Granted Aug 26, 1980·62 cites·21 claims
- 4892US4148718ASingle drop separatorCOULTER ELECTRONICS·Filed 1977·Granted Apr 10, 1979·72 cites·11 claims
- 4992US3989381AOptical chamber with spherical reflective portion and apparatus employing sameCOULTER ELECTRONICS·Filed 1975·Granted Nov 2, 1976·65 cites·4 claims
- 5091US4631483AParticle analyzing apparatus and method of moving particles in suspension through such apparatusCOULTER ELECTRONICS·Filed 1984·Granted Dec 23, 1986·75 cites·10 claims
Showing the top 50 of 185 patent records by PatentIndex Score.
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