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 patentsUS5125737AJun 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 patentsUS5653686AAug 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