P

Inventor

ROOS ERMI

US5 patents
⚠️ This page may combine multiple inventors who share the name “ROOS ERMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

COULTER ELECTRONICS

3 patents
US4775833AOct 4, 1988

Lodged debris detector for a particle analyzer

COULTER ELECTRONICS16 citations72
US4481466ANov 6, 1984

Pulse amplifying system

COULTER ELECTRONICS13 citations65
US4350292ASep 21, 1982

Centrifugal feeder

COULTER ELECTRONICS1 citations46

ROOS ERMI

2 patents
US7420360B1Sep 2, 2008

Method and apparatus for particle counting and size measurement

ROOS ERMI4 citations56
US7288219B1Oct 30, 2007

Method and apparatus for size measurement of particles of carbon black

ROOS ERMI5 citations56