Walther Schwenk

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Kaiseraugst, CH

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Patents Grantslast 30 patents

Information Patent Grant
Mixing and kneading apparatus
- Patent number 5,934,801
- Issue date Aug 10, 1999
- List AG
- Jorg List
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Mixing kneader with rotating shafts and kneading bars
- Patent number 5,407,266
- Issue date Apr 18, 1995
- List AG
- Winfried Dotsch
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Lock for the loading and/or discharging of bulk materials
- Patent number 5,192,188
- Issue date Mar 9, 1993
- List AG
- Alfred Kunz
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Continuously operating mixing kneader
- Patent number 5,147,135
- Issue date Sep 15, 1992
- List AG
- Jorg List
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Mixing kneader
- Patent number 5,121,992
- Issue date Jun 16, 1992
- List AG
- Jorg M. List
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Multi-spindle kneading mixer with fixed kneading counterelements
- Patent number 4,941,130
- Issue date Jul 10, 1990
- List AG
- Heinz List
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
DEVICE FOR TREATING A PRODUCT
- Publication number 20110269090
- Publication date Nov 3, 2011
- Alfred Kunz
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
Mixer bars cleaning in a radial or axial manner
- Publication number 20040145964
- Publication date Jul 29, 2004
- Alfred Kunz
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL