Inventor · disambiguated record
Oliver A. Laakso
Also filed as: LAAKSO OLIVER A
14 granted patents·170 citations·filing 1973–1986
92Inventor score
Top patents by PatentIndex Score
14 records- 0185US4746404AChip presteaming and air washingLAAKSO OLIVER A·Filed 1986·Granted May 24, 1988·34 cites·8 claims
- 0282US4632729AChip presteaming and air washingLAAKSO OLIVER A·Filed 1984·Granted Dec 30, 1986·24 cites·11 claims
- 0380US3950147AProcess for feeding coal to a fluidized bed or suspended particle pressurized processing chamber and apparatus for carrying out the sameKAMYR INC·Filed 1974·Granted Apr 13, 1976·33 cites·25 claims
- 0475US4177105AApparatus for delignifying and bleaching cellulose pulpKAMYR INC·Filed 1976·Granted Dec 4, 1979·15 cites·1 claims
- 0568US4002528AApparatus for processing pulpKAMYR INC·Filed 1975·Granted Jan 11, 1977·12 cites·2 claims
- 0660US4693785ADigester having plural screens and means for controlling the liquid withdrawalLAAKSO OLIVER A·Filed 1985·Granted Sep 15, 1987·11 cites·7 claims
- 0760US4468319AStationary diffuserLAAKSO OLIVER A·Filed 1982·Granted Aug 28, 1984·19 cites·31 claims
- 0851US4131508ARecovery system for oxygen bleaching of pulpKAMYR INC·Filed 1973·Granted Dec 26, 1978·6 cites·3 claims
- 0941US4568419AMethod of treating comminuted cellulosic fibrous material in a vertical vesselLAAKSO OLIVER A·Filed 1984·Granted Feb 4, 1986·4 cites·11 claims
- 1041US4441224AMethod of continuously treating a fibrous suspensionLAAKSO OLIVER A·Filed 1983·Granted Apr 10, 1984·4 cites·7 claims
- 1139US4061193AMethod and apparatus for digesting cellulose material without screening digesting liquid withdrawn through the digester topKAMYR INC·Filed 1976·Granted Dec 6, 1977·3 cites·7 claims
- 1234US4000063AApparatus for separating knots from pulpKAMYR INC·Filed 1975·Granted Dec 28, 1976·2 cites·6 claims
- 1332US4521315APulp thickening utilizing stationary screensLAAKSO OLIVER A·Filed 1984·Granted Jun 4, 1985·3 cites·18 claims
- 1429US4564144AStationary diffuserLAAKSO OLIVER A·Filed 1984·Granted Jan 14, 1986·0 cites·8 claims
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