Inventor · disambiguated record
Per Engstrand
Also filed as: ENGSTRAND PER · ENGSTRAND PER O
2 granted patents·3 pending applications·20 citations·filing 1989–2017
55Inventor score
Top patents by PatentIndex Score
5 records- 0169US5007985AMethod of reducing the energy consumption at the refining of cellulose containing materialSVENSKA TRAEFORSKNINGSINST·Filed 1989·Granted Apr 16, 1991·19 cites·1 claims
- 0255US11299853B2Paper or paperboard product comprising at least one ply containing high yield pulp and its production methodHOGLUND HANS·Filed 2017·Granted Apr 12, 2022·1 cites·16 claims
- 0337US2004231811A1Method of producing bleached thermomechanical pulp (tmp) or bleached chemithermomechanical pulp (ctmp)Filed 2002·Application pending·0 cites
- 0431US2007023329A1Method for selective removal of ray cells from cellulose pulpHOLMEN AKTIEBOLAG·Filed 2004·Application pending·0 cites
- 0525US2012325370A1Method for producing and processing wood chipsHELLSTROEM LISBETH·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →