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ESM INT INC
US15 patents
Top patents by PatentIndex Score
US5509537AApr 23, 1996
Sorting machine ejection system
ESM INT INC35 citations88
US5508512AApr 16, 1996
Sorting machine using dual frequency optical detectors
ESM INT INC21 citations88
US5279426AJan 18, 1994
Ejection finger
ESM INT INC20 citations88
US5353937AOct 11, 1994
Automatic variable ejector delay time and dwell type mechanism in a sorting apparatus
ESM INT INC24 citations87
US5352888AOct 4, 1994
Method and apparatus for detecting and utilizing frame fill information in a sorting machine having a background and a color sorting band of light
ESM INT INC21 citations87
US5265732ANov 30, 1993
Variable background for a sorting machine
ESM INT INC34 citations87
US4626677ADec 2, 1986
Continuous normalizer for an electronic circuit that compensates for external and internal drifts factors
ESM INT INC20 citations79
US5278768AJan 11, 1994
Autotrip operation of a sorting machine using color sorting
ESM INT INC7 citations70
US4647211AMar 3, 1987
Apparatus for measuring reflectivity which is tolerant of background and product trajectory variations
ESM INT INC15 citations70
US5111926AMay 12, 1992
Singulating and orienting slide conveyor
ESM INT INC16 citations68
US5246117ASep 21, 1993
Sorting machine including product length inspection
ESM INT INC7 citations67
US5062532ANov 5, 1991
Sorting machine including photo site processing
ESM INT INC11 citations67
US5407082AApr 18, 1995
Automatic ejector rate normalizer using multiple trip levels established in a master channel
ESM INT INC10 citations66
US5000324AMar 19, 1991
Ejector nozzle with pressure differential
ESM INT INC3 citations58
US4774718ASep 27, 1988
Automatic ejector rate normalizer
ESM INT INC6 citations51