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Inventor

COULTER WALLACE H

US31 patents
⚠️ This page may combine multiple inventors who share the name “COULTER WALLACE H”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

COULTER ELECTRONICS

19 patents
US5125737AJun 30, 1992

Multi-part differential analyzing apparatus utilizing light scatter techniques

COULTER ELECTRONICS306 citations99
US4609017ASep 2, 1986

Method and apparatus for transporting carriers of sealed sample tubes and mixing the samples

COULTER ELECTRONICS163 citations97
US3944917AMar 16, 1976

Electrical sensing circuitry for particle analyzing device

COULTER ELECTRONICS81 citations95
US4534465AAug 13, 1985

Cassette for supporting test tubes of different diameters and/or lengths

COULTER ELECTRONICS118 citations94
US4326851AApr 27, 1982

Level sensor apparatus and method

COULTER ELECTRONICS110 citations94
US4791355ADec 13, 1988

Particle analyzer for measuring the resistance and reactance of a particle

COULTER ELECTRONICS27 citations92
US4281924AAug 4, 1981

Reflector for the laser beam of a particle analyzer

COULTER ELECTRONICS37 citations92
US4298836ANov 3, 1981

Particle shape determination

COULTER ELECTRONICS43 citations91
US4325909AApr 20, 1982

Fluid transfer apparatus

COULTER ELECTRONICS51 citations89
US4009443AFeb 22, 1977

Method and apparatus for providing primary coincidence correction during particle analysis utilizing time generation techniques

COULTER ELECTRONICS22 citations78
US4527114AJul 2, 1985

Electrical slit scanning apparatus

COULTER ELECTRONICS12 citations74
US3963984AJun 15, 1976

Method and system for cleaning an aperture in a particle study device

COULTER ELECTRONICS17 citations74
US3961249AJun 1, 1976

Particle size distribution analyzation employing trailing edge differentiation

COULTER ELECTRONICS9 citations74
US3949198AApr 6, 1976

Methods and apparatuses for correcting coincidence count inaccuracies in a coulter type of particle analyzer

COULTER ELECTRONICS16 citations74
US3944797AMar 16, 1976

Method and apparatus for determining the correct percentiles of the size distribution of a particulate system

COULTER ELECTRONICS12 citations74
US3936740AFeb 3, 1976

Method and apparatus for automatically sampling pulses a predetermined average number of times for storage and subsequent reproduction

COULTER ELECTRONICS11 citations74
US4775833AOct 4, 1988

Lodged debris detector for a particle analyzer

COULTER ELECTRONICS16 citations72
US3936741AFeb 3, 1976

Method and apparatus for providing primary coincidence correction during particle analysis utilizing time generation techniques

COULTER ELECTRONICS14 citations70
US3968429AJul 6, 1976

Particle analyzer of the Coulter type including coincidence error correction circuitry

COULTER ELECTRONICS5 citations63

COULTER CORP

10 patents
US5653686AAug 5, 1997

Closed vial transfer method and system

COULTER CORP167 citations99
US5464752ANov 7, 1995

Automated analyzer for screening cells or formed bodies for enumeration of populations expressing selected characteristics

COULTER CORP76 citations96
US5238812AAug 24, 1993

Method and apparatus for rapid mixing of small volumes for enhancing biological reactions

COULTER CORP69 citations96
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
US5348859ASep 20, 1994

Method and apparatus for obtaining an absolute white blood cell subset count and white blood cell multipart differential

COULTER CORP63 citations94
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
US6159740ADec 12, 2000

Method and apparatus for screening obscured or partially obscured cells

COULTER CORP40 citations91
US5231005AJul 27, 1993

Method and apparatus for screening cells or formed bodies with populations expressing selected characteristics

COULTER CORP30 citations91
US5468616ANov 21, 1995

Method and apparatus for rapid mixing of small volumes for enhancing biological reactions

COULTER CORP11 citations73

MILTENYI BIOTEC GMBH

1 patent

COULTER INT CORP

1 patent