Johan C. F. C. Richter

Person

Oslo, NO

People

Patents Grantslast 30 patents

Information Patent Grant
Method for the continuous cooking of pulp
- Patent number 5,824,187
- Issue date Oct 20, 1998
- Kvaerner Pulping AB
- Johan Richter
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and device for the continuous cooking of pulp
- Patent number 5,716,497
- Issue date Feb 10, 1998
- Kvaerner Pulping AB
- Johan Richter
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Continuous vertical digester apparatus
- Patent number 5,300,195
- Issue date Apr 5, 1994
- Kamyr AB
- Johan C. F. C. Richter
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Continuous cooking with reduced horsepower and pulp degradation
- Patent number 5,236,553
- Issue date Aug 17, 1993
- Kamyr AB
- Johan C. F. C. Richter
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Digester screen switching
- Patent number 5,069,752
- Issue date Dec 3, 1991
- Kamyr AB
- Johan C. F. C. Richter
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
High sulfidity cook for paper pulp using black liquor sulfonization...
- Patent number 5,053,108
- Issue date Oct 1, 1991
- Kamyr AB
- Johan C. F. C. Richter
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Pump with separate fluidizing vaned shaft adjacent impeller
- Patent number 4,976,586
- Issue date Dec 11, 1990
- Kamyr AB
- Johan C. F. C. Richter
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Effective diffuser/thickener screen backflushing
- Patent number 4,881,286
- Issue date Nov 21, 1989
- Kamyr AB
- Johan C. F. C. Richter
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Multiscreen pressure diffuser
- Patent number 4,840,047
- Issue date Jun 20, 1989
- Kamyr AB
- Johan C. F. C. Richter
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Effective diffuser/thickener screen backflushing
- Patent number 4,793,161
- Issue date Dec 27, 1988
- Kamyr AB
- Johan C. F. C. Richter
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Reciprocal movable screens in a vertically elongated vessel
- Patent number 4,637,878
- Issue date Jan 20, 1987
- Kamyr Aktiebolag
- Johan C. F. C. Richter
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Feeder deflection compensation
- Patent number 4,516,887
- Issue date May 14, 1985
- Kamyr, Inc.
- Ole J. Richter
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Gas treatment of particulate materials in storage containers
- Patent number 4,513,515
- Issue date Apr 30, 1985
- Kamyr AB
- Johan C. F. C. Richter
- F26 - DRYING
Information Patent Grant
Diffuser assembly
- Patent number 4,394,267
- Issue date Jul 19, 1983
- Kamyr, Inc.
- Johan C. F. C. Richter
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Johan C. F. C. Richter

Person

Patents Grantslast 30 patents

Method for the continuous cooking of pulp

Method and device for the continuous cooking of pulp

Continuous vertical digester apparatus

Continuous cooking with reduced horsepower and pulp degradation

Digester screen switching

High sulfidity cook for paper pulp using black liquor sulfonization...

Pump with separate fluidizing vaned shaft adjacent impeller

Effective diffuser/thickener screen backflushing

Multiscreen pressure diffuser

Effective diffuser/thickener screen backflushing

Reciprocal movable screens in a vertically elongated vessel

Feeder deflection compensation

Gas treatment of particulate materials in storage containers

Diffuser assembly