Inventor · disambiguated record
Johan Gullichsen
Also filed as: GULLICHSEN JOHAN · GULLICHSEN JOHAN E
23 granted patents·492 citations·filing 1975–1997
96Inventor score
Top patents by PatentIndex Score
23 records- 0191US6436232B1Procedure for adding a filler into a pulp based on cellulose fibersM REAL OYJ·Filed 1997·Granted Aug 20, 2002·50 cites·11 claims
- 0287US4435193AControlling operation of a centrifugal pumpKAMYR AB·Filed 1982·Granted Mar 6, 1984·64 cites·25 claims
- 0385US4410337AMethod and an apparatus for separating a gas from a fibre suspensionAHLSTROEM OY·Filed 1980·Granted Oct 18, 1983·55 cites·8 claims
- 0482US4776758ACombined fluidizing and vacuum pumpKAMYR AB·Filed 1987·Granted Oct 11, 1988·43 cites·17 claims
- 0579US5380402AReducing pulp mill liquid dischargeKAMYR INC·Filed 1992·Granted Jan 10, 1995·27 cites·22 claims
- 0678US5813758AConcentric ring fluidizing mixerAHLSTROM MACHINERY INC·Filed 1993·Granted Sep 29, 1998·54 cites·16 claims
- 0776US4986480AMethod and apparatus for feeding a conical refinerKAMYR AB·Filed 1989·Granted Jan 22, 1991·19 cites·17 claims
- 0875US4826398AMedium consistency pump with self-feedingKAMYR AB·Filed 1987·Granted May 2, 1989·32 cites·28 claims
- 0973US4754935AMethod and apparatus for refining fibrous materialKAMYR AB·Filed 1987·Granted Jul 5, 1988·17 cites·20 claims
- 1072US4042452AProcess for washing cellulose pulp from alkali digestion wherein acid is added to the washing solutionAHLSTROEM OY·Filed 1975·Granted Aug 16, 1977·17 cites·4 claims
- 1167US5374333AMethod for minimizing pulp mill effluentsKAMYR INC·Filed 1992·Granted Dec 20, 1994·15 cites·38 claims
- 1261US5518583AZero discharge mill distillation, salt recovery, and water managementAHLSTROEM OY·Filed 1993·Granted May 21, 1996·12 cites·17 claims
- 1360US4362536APulp degassingKAMYR INC·Filed 1981·Granted Dec 7, 1982·18 cites·7 claims
- 1453US4594152AMethod and an apparatus for treating fibre suspensionsKAMYR AB·Filed 1984·Granted Jun 10, 1986·15 cites·8 claims
- 1548US5547543AApparatus for minimizing effluent discharges and recovering chemicals in a pulp millAHLSTROM MACHINERY INC·Filed 1994·Granted Aug 20, 1996·10 cites·14 claims
- 1648US4854819AMethod and apparatus for pumping fibre suspensionsAHLSTROEM OY·Filed 1987·Granted Aug 8, 1989·9 cites·4 claims
- 1747US5549788AMinimal effluents discharge pulp mill with chemical recoveryAHLSTROEM OY·Filed 1993·Granted Aug 27, 1996·9 cites·2 claims
- 1843US5047118AMethod for decreasing energy consumption during refining of fiber material at a reduced grinding frequency while maintaining capacityKAMYR AB·Filed 1987·Granted Sep 10, 1991·4 cites·17 claims
- 1940US4222818AMethod for treatment of lignocellulosic material with chlorineAHLSTROEM OY·Filed 1978·Granted Sep 16, 1980·3 cites·8 claims
- 2038US4780053AMethod and apparatus for pumping fiber suspensionsGULLICHSEN JOHAN·Filed 1986·Granted Oct 25, 1988·7 cites·36 claims
- 2133US3976538AMethod for bleaching of cellulosic pulpKAMYR AB·Filed 1976·Granted Aug 24, 1976·4 cites·4 claims
- 2232US4842688AMethod of removing macromolecular organic dissolved and colloidal material from wood processing industry effluentsKAMYR AB·Filed 1987·Granted Jun 27, 1989·4 cites·4 claims
- 2332US4812207AMethod of removing lignin from bleach plant effluentsAHLSTROEM OY·Filed 1987·Granted Mar 14, 1989·4 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →