Inventor

JOHANSON KERRY D

US3 patents

Patents

3 patents

US5289728AMar 1, 1994

Flow-no-flow tester

JOHANSON J R INC15 citations71

US5117699AJun 2, 1992

Flow-no-flow tester

JOHANSON J R INC13 citations71

US4719809AJan 19, 1988

Apparatus and test method for determining flow or no flow conditions of bulk solids

JOHANSON J R INC9 citations71