Inventor
RYHAM ROLF C
US15 patents
⚠️ This page may combine multiple inventors who share the name “RYHAM ROLF C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ANDRITZ AHLSTROM INC
6 patentsUS6346167B2Feb 12, 2002
Dissolved solids control in pulp production
ANDRITZ AHLSTROM INC19 citations92
US6306252B1Oct 23, 2001
Heat recovery from spent digester cooking liquor
ANDRITZ AHLSTROM INC36 citations92
US6176971B1Jan 23, 2001
Heat economy enhancements for the recovery and use of energy obtained from spent cooking liquors
ANDRITZ AHLSTROM INC49 citations89
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
US6261412B1Jul 17, 2001
Regenerative heat recovery for high temperature condensate stripping plants
ANDRITZ AHLSTROM INC8 citations73
AHLSTROM MACHINERY INC
4 patentsUS5620562AApr 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
US5849150ADec 15, 1998
Low dissolved solids control in pulp production
AHLSTROM MACHINERY INC18 citations92
US6106668AAug 22, 2000
Method for feeding comminuted fibrous material
AHLSTROM MACHINERY INC22 citations90