Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Method and device for optically counting small particles

Method and device for optically counting small particles

US Patent 4675520 · Granted Jun 23, 1987

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Stub-shaft powered spinning tiller1991
Combination normal-sowing and fine-sowing wheel with integral stop1989
Combination normal-sowing and fine-sowing wheel with integral stop1989
Tractor-powered cultivator with swingable baffles1988
Tractor-powered cultivator with swingable baffles1988
Method of and device for acoustically counting particles1987
Method of and device for acoustically counting particles1987
Method of and device for acoustically counting particles1987
Mechanism for discharging granular material1987
Mechanism for discharging granular material1987
Agricultural machine1985