Inventor
JOHANSON JERRY R
US37 patents
⚠️ This page may combine multiple inventors who share the name “JOHANSON JERRY R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
JOHANSON J R INC
11 patentsUS5052874AOct 1, 1991
Compacting screw feeder
JOHANSON J R INC136 citations98
US6055781AMay 2, 2000
Archbreaking hopper for bulk solids
JOHANSON J R INC61 citations96
US4958741ASep 25, 1990
Modular mass-flow bin
JOHANSON J R INC67 citations96
US7451666B2Nov 18, 2008
Apparatus and test procedure for measuring the cohesive, adhesive, and frictional properties of bulk granular solids
JOHANSON J R INC11 citations84
US6494612B2Dec 17, 2002
Racetrack-shaped dynamic gravity flow blender
JOHANSON J R INC9 citations74
US5992689ANov 30, 1999
Variable flow rate hopper to reduce feed pulsation to a downstream process
JOHANSON J R INC10 citations74
US4986456AJan 22, 1991
Flow rate controller and feeder
JOHANSON J R INC9 citations74
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
US4757757AJul 19, 1988
Compaction of granular solids with a combination of shear and direct compression
JOHANSON J R INC6 citations63
ANDRITZ AHLSTROM INC
5 patentsUS6336573B1Jan 8, 2002
Hopper, or bin, screw feeder construction controlling discharge velocity profile
ANDRITZ AHLSTROM INC27 citations92
US6199299B1Mar 13, 2001
Feeding of comminuted fibrous material to a pulping process
ANDRITZ AHLSTROM INC31 citations92
US6129816AOct 10, 2000
Tapered screen assembly for a cellulose pulp digester
ANDRITZ AHLSTROM INC16 citations90
US6186373B1Feb 13, 2001
Hopper, or bin, screw feeder construction controlling discharge velocity profile
ANDRITZ AHLSTROM INC15 citations84
US6280575B1Aug 28, 2001
Frusto-conical outlet for a cellulose material treatment vessel
ANDRITZ AHLSTROM INC6 citations74
JENIKE & JOHANSON INC
4 patentsUS4286883ASep 1, 1981
Blending apparatus for bulk solids
JENIKE & JOHANSON INC55 citations96
US4715212ADec 29, 1987
Bulk solids property tester
JENIKE & JOHANSON INC48 citations92
US4646910AMar 3, 1987
Generalized high speed belt to belt transfer chute
JENIKE & JOHANSON INC12 citations70
US4446717AMay 8, 1984
Abrasive wear tester
JENIKE & JOHANSON INC15 citations67
AHLSTROM MACHINERY INC
4 patentsUS5985096ANov 16, 1999
Vertical pulping digester having substantially constant diameter
AHLSTROM MACHINERY INC26 citations92
US5617975AApr 8, 1997
Chip feed system
AHLSTROM MACHINERY INC36 citations91
US5628873AMay 13, 1997
Chip bin assembly including a hollow transition with one dimensional convergence and side relief
AHLSTROM MACHINERY INC34 citations87
USH1681HOct 7, 1997
Discharge from pulping vessels without the aid of mechanical agitation
AHLSTROM MACHINERY INC9 citations73
ANDRITZ INC
4 patentsUS6451163B2Sep 17, 2002
Method of handling comminuted cellulosic fibrous slurry in a cylindrical vessel
ANDRITZ INC13 citations74
US6432264B2Aug 13, 2002
Method of making a vessel assembly for handling comminuted cellulosic fibrous material
ANDRITZ INC1 citations63
US6375796B1Apr 23, 2002
Method of treating material in a continuous digester
ANDRITZ INC2 citations61
USRE39208EAug 1, 2006
Method of treating material in a continuous digester
ANDRITZ INC0 citations50