Ernst Stumvoll

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Sarnen, CH

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Patents Grantslast 30 patents

Information Patent Grant
Pot-shaped permanent filter insert
- Patent number 5,715,741
- Issue date Feb 10, 1998
- Maxs AG
- Ruedi Gasser
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Sieve having substantially plane sieve sheets and a method for its...
- Patent number 4,287,066
- Issue date Sep 1, 1981
- Elfo AG Sachseln
- Albert Greutert
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Manufacture of a sieve having substantially plane sieve sheets
- Patent number 4,259,283
- Issue date Mar 31, 1981
- Elfo AG Sachseln
- Albert Greutert
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL