Inventor · disambiguated record
Louis O. Torregrossa
Also filed as: TORREGROSSA LOUIS O
16 granted patents·3 pending applications·606 citations·filing 1977–2002
95Inventor score
Top patents by PatentIndex Score
19 records- 0194US4298426AMethod and apparatus for treating pulp with oxygen in a multi-stage bleaching sequenceWEYERHAEUSER CO·Filed 1979·Granted Nov 3, 1981·61 cites·79 claims
- 0293US4295925ATreating pulp with oxygenWEYERHAEUSER CO·Filed 1979·Granted Oct 20, 1981·54 cites·40 claims
- 0391US4295926AMethod and apparatus for treating pulp with oxygenWEYERHAEUSER CO·Filed 1979·Granted Oct 20, 1981·41 cites·88 claims
- 0489US5338366AAcid pre-hydrolysis reactor systemKAMYR INC·Filed 1993·Granted Aug 16, 1994·93 cites·29 claims
- 0589US4216054ALow-consistency ozone delignificationWEYERHAEUSER·Filed 1977·Granted Aug 5, 1980·45 cites·49 claims
- 0688US5116488AGas sparged centrifugal deviceKAMYR INC·Filed 1990·Granted May 26, 1992·65 cites·15 claims
- 0788US4295927AMethod and apparatus for treating pulp with oxygen and storing the treated pulpWEYERHAEUSER CO·Filed 1979·Granted Oct 20, 1981·32 cites·88 claims
- 0885US4944842AMethod for reducing contamination in pulp processingKAMYR INC·Filed 1987·Granted Jul 31, 1990·30 cites·20 claims
- 0982US4298427AMethod and apparatus for intimately mixing oxygen and pulp while using an alkali to extract bleaching by-productsWEYERHAEUSER CO·Filed 1979·Granted Nov 3, 1981·21 cites·62 claims
- 1077US5472567AMethod of chemically reacting a slurry with a gasKAMYR INC·Filed 1994·Granted Dec 5, 1995·40 cites·20 claims
- 1173US5405497AMethod of chemically reacting a liquid with a gas in a vortexKAMYR INC·Filed 1990·Granted Apr 11, 1995·27 cites·15 claims
- 1269US4577974AMedium consistency mixer rotor and stator constructionKAMYR INC·Filed 1984·Granted Mar 25, 1986·27 cites·11 claims
- 1365US5458738AClarifying suspended solids from liquid process streamsKAMYR INC·Filed 1993·Granted Oct 17, 1995·17 cites·20 claims
- 1462US6153300ABleaching cellulose pulp having cleanliness which varies significantly over time using at least two different bleaching stages and bleaching chemicalsAHLSTROM MACHINERY INC·Filed 1994·Granted Nov 28, 2000·21 cites·19 claims
- 1558US4596631AMethod of removing latency from medium consistency pulps by pumping the pulpKAMYR INC·Filed 1984·Granted Jun 24, 1986·13 cites·13 claims
- 1653US5171405AReactor having a discontinuous conduit means between surfaces of a downwardly extending stationary spiralKAMYR INC·Filed 1990·Granted Dec 15, 1992·19 cites·6 claims
- 1750US2003145962A1System and for improving the movement and discharge of material from vesselsGLENS FALLS GROUP LLC·Filed 2002·Application pending·0 cites
- 1850US2003111200A1System and method for improving the movement and discharge of material from vesselsFiled 2002·Application pending·0 cites
- 1944US2002129911A1Process and configuration for providing external upflow/internal downflow in a continuous digesterFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →