Hans-Goran Hedlund

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Sala, SE

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Patents Grantslast 30 patents

Information Patent Grant
Method of emptying the press chambers of a press filter and an appa...
- Patent number 5,728,307
- Issue date Mar 17, 1998
- Sala International AB
- Jorgen Goltermann
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method for dewatering particle collections controlled by monitoring...
- Patent number 5,167,832
- Issue date Dec 1, 1992
- Sala International AB
- Mats Carlsson
- B30 - PRESSES
Information Patent Grant
Method and means for pressure filtering
- Patent number 4,900,454
- Issue date Feb 13, 1990
- Sala International AB
- Hans-Goran Hedlund
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL