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Siegfried Rewitzer
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Ihrlerstein, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Process for solvent recovery and apparatus suitable therefor
Patent number
5,711,873
Issue date
Jan 27, 1998
Hoechst Aktiengesellschaft
Siegfried Rewitzer
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Process for solvent recovery
Patent number
5,618,432
Issue date
Apr 8, 1997
Hoechst Agteingesellschaft
Siegfried Rewitzer
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Column having integrated heat exchanger
Patent number
5,507,356
Issue date
Apr 16, 1996
Hoechst Aktiengesellschaft
Peter M. Roth
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Method for reprocessing solvent mixtures containing constituents of...
Patent number
5,462,643
Issue date
Oct 31, 1995
Hoechst Aktiengesellschaft
Georg-Emerich Miess
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Apparatus for continuously cutting up material in sliver or strand...
Patent number
5,398,575
Issue date
Mar 21, 1995
Hoechst Aktiengesellschaft
Siegfried Rewitzer
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Steering roller arrangement for a three-wheeled vehicle
Patent number
5,078,221
Issue date
Jan 7, 1992
Hoechst Aktiengesellschaft
Siegfried Rewitzer
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Process and apparatus for packaging and pressing loose fiber
Patent number
5,074,101
Issue date
Dec 24, 1991
Hoechst Aktiengesellschaft
Siegfried Rewitzer
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Process for the automatic insertion of box-shaped bags
Patent number
4,687,462
Issue date
Aug 18, 1987
Hoechst Aktiengesellschaft
Siegfried Rewitzer
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Process and device for packing staple fibers into bales
Patent number
4,526,094
Issue date
Jul 2, 1985
Hoechst Aktiengesellschaft
Siegfried Rewitzer
B30 - PRESSES
Information
Patent Grant
Process and apparatus for the automatic depositing and pressing of...
Patent number
4,526,095
Issue date
Jul 2, 1985
Hoechst Aktiengesellschaft
Siegfried Rewitzer
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Process and apparatus for pressing, packing and hooping fibrous mat...
Patent number
4,408,438
Issue date
Oct 11, 1983
Hoechst Aktiengesellschaft
Siegfried Rewitzer
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Process and apparatus for the packaging of fibrous material in bales
Patent number
4,318,264
Issue date
Mar 9, 1982
Hoechst Aktiengesellschaft
Siegfried Rewitzer
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Process and apparatus for compressing and packaging filament tows
Patent number
4,224,780
Issue date
Sep 30, 1980
Hoechst Aktiengesellschaft
Siegfried Rewitzer
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL