Armand L. Davister

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Liege, BE

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Patents Grantslast 30 patents

Information Patent Grant
Rotary vacuum filters with a horizontal filtration plane
- Patent number 4,752,390
- Issue date Jun 21, 1988
- Prayon Developpement S.A.
- Georges-Francois Martin
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Multiple cell filter with baffles
- Patent number 4,330,404
- Issue date May 18, 1982
- Societe de Prayon
- Armand L. Davister
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Multiple cell filter having a gas discharge
- Patent number 4,172,791
- Issue date Oct 30, 1979
- Societe de Prayon
- Armand L. Davister
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL