P

Inventor

PROUGH ROBERT J

US15 patents
⚠️ This page may combine multiple inventors who share the name “PROUGH ROBERT J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

AHLSTROM MACHINERY INC

7 patents
US5620562AApr 15, 1997

Dissolved solids control in pulp production

AHLSTROM MACHINERY INC29 citations96
US6086712AJul 11, 2000

DOM control in cellulose pulp production

AHLSTROM MACHINERY INC20 citations92
US5849151ADec 15, 1998

Continuous digester having means for implementing low dissolved solids profiling

AHLSTROM MACHINERY INC27 citations92
US5849150ADec 15, 1998

Low dissolved solids control in pulp production

AHLSTROM MACHINERY INC18 citations92
US5662775ASep 2, 1997

Continuous digester with dissolved solids handling

AHLSTROM MACHINERY INC35 citations92
US5536366AJul 16, 1996

Digester system for implementing low dissolved solids profiling

AHLSTROM MACHINERY INC33 citations92
US5824188AOct 20, 1998

Method of controlling the pressure of a continuous digester using an extraction-dilution

AHLSTROM MACHINERY INC21 citations91

KAMYR INC

4 patents
US5547012AAug 20, 1996

Dissolved solids control in pulp production

KAMYR INC33 citations96
US5489363AFeb 6, 1996

Pulping with low dissolved solids for improved pulp strength

KAMYR INC35 citations96
US5575890ANov 19, 1996

Method for selectively increasing the sulfide ion concentration and sulfidity of kraft cooking liquor during kraft cooking of wood

KAMYR INC22 citations91
US4743338AMay 10, 1988

Method of removing air from lignocellulosic material by passing the material through conduit paths of different diameters

KAMYR INC8 citations73

ANDRITZ AHLSTROM INC

4 patents
US6346167B2Feb 12, 2002

Dissolved solids control in pulp production

ANDRITZ AHLSTROM INC19 citations92
US6132556AOct 17, 2000

Method of controlling pulp digester pressure via liquor extraction

ANDRITZ AHLSTROM INC24 citations90
US6280568B1Aug 28, 2001

Dissolved organic material control in a cellulose pulp continuous digester

ANDRITZ AHLSTROM INC12 citations82
US6159337ADec 12, 2000

Dissolved organic materials control in cellulose pulp production

ANDRITZ AHLSTROM INC13 citations82