Assignee
JOHANSON J R INC
US·11 granted patents·1 pending application·346 citations·filing 1986–2006
Top patents by PatentIndex Score
12 records- 0198US5052874ACompacting screw feederJOHANSON J R INC·Filed 1990·Granted Oct 1, 1991·136 cites·14 claims
- 0288US4958741AModular mass-flow binJOHANSON J R INC·Filed 1989·Granted Sep 25, 1990·67 cites·21 claims
- 0387US7451666B2Apparatus and test procedure for measuring the cohesive, adhesive, and frictional properties of bulk granular solidsJOHANSON J R INC·Filed 2006·Granted Nov 18, 2008·11 cites·12 claims
- 0482US6055781AArchbreaking hopper for bulk solidsJOHANSON J R INC·Filed 1997·Granted May 2, 2000·61 cites·6 claims
- 0565US6494612B2Racetrack-shaped dynamic gravity flow blenderJOHANSON J R INC·Filed 2001·Granted Dec 17, 2002·9 cites·6 claims
- 0649US5289728AFlow-no-flow testerJOHANSON J R INC·Filed 1991·Granted Mar 1, 1994·15 cites·6 claims
- 0745US5992689AVariable flow rate hopper to reduce feed pulsation to a downstream processJOHANSON J R INC·Filed 1996·Granted Nov 30, 1999·10 cites·6 claims
- 0845US5117699AFlow-no-flow testerJOHANSON J R INC·Filed 1990·Granted Jun 2, 1992·13 cites·8 claims
- 0945US2003161214A1Racetrack-shaped dynamic gravity flow blenderJOHANSON J R INC·Filed 2002·Application pending·0 cites
- 1044US4757757ACompaction of granular solids with a combination of shear and direct compressionJOHANSON J R INC·Filed 1986·Granted Jul 19, 1988·6 cites·14 claims
- 1141US4719809AApparatus and test method for determining flow or no flow conditions of bulk solidsJOHANSON J R INC·Filed 1986·Granted Jan 19, 1988·9 cites·18 claims
- 1237US4986456AFlow rate controller and feederJOHANSON J R INC·Filed 1989·Granted Jan 22, 1991·9 cites·15 claims
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