MB

Mark D. Barrett

KA Kamyr: 7 patents #10 of 99Top 15%
AM Ahlstrom Machinery: 3 patents #11 of 64Top 20%
AN Andritz: 3 patents #39 of 284Top 15%
Overall (All Time): #389,646 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6451172 In-line drainer enhancements J. Robert Prough, C. Bertil Stromberg 2002-09-17
6447645 Feeding cellulose material to a treatment vessel J. Robert Prough, C. Bertil Stromberg 2002-09-10
6436233 Feeding cellulose material to a treatment vessel J. Robert Prough, C. Bertil Stromberg 2002-08-20
6123808 Distribution of dilution liquor to the discharge of a cellulose pulp digester Grant Bechard, John Hefele, Larry W. Laakso, R. Fred Chasse 2000-09-26
5617975 Chip feed system Jerry R. Johanson, Victor L. Bilodeau, John Pietrangelo 1997-04-08
5567279 Variable stage pressure diffuser Joseph R. Phillips, John Weston, Victor L. Bilodeau, Ronald Bain, Brian F. Greenwood +1 more 1996-10-22
5338366 Acid pre-hydrolysis reactor system Todd S. Grace, Vic L. Bilodeau, Gary L. McCarty, Brian F. Greenwood, J. Robert Prough +1 more 1994-08-16
5302247 Top circulation line cooling for a modified cook digester Jan T. Richardsen, Victor L. Bilodeau, Carl Luhrmann 1994-04-12
5187956 Preventing clogging in pressure diffusers Joseph R. Phillips, Peter E. T. Warloff, John Hefele, Victor L. Bilodeau, Ronald Bain 1993-02-23
5169498 Atmospheric pre-steaming chip bin vacuum and pressure relief device John Weston, Keith Vogel, Victor L. Bilodeau, Ronald Bain 1992-12-08
4638855 Heat exchange treatment of fluids Carl L. Elmore, Ted M. Poulin 1987-01-27
4519446 Surface condenser/water heating Carl L. Elmore, Ted M. Poulin 1985-05-28
4322184 Apparatus for continuously feeding solid particles into a pressurized container having an improved lifting mechanism Erwin D. Funk 1982-03-30