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Aarbergen 7, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Process for separating organic compounds from water by extraction
Patent number
4,842,745
Issue date
Jun 27, 1989
Passavant-Werke AG & Co. KG
Walter Weiler
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Plate filter press
Patent number
4,587,015
Issue date
May 6, 1986
Passavant-Werke AG & Co. KG
Oswald Busse
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Filter press with filter plates mutually locked and individually co...
Patent number
4,486,306
Issue date
Dec 4, 1984
Passavant-Werke AG & Co. KG
Oswald Busse
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Filter apparatus having filter bed back-washing means
Patent number
4,486,307
Issue date
Dec 4, 1984
Passavant-Werke AG & Co. KG
Walter Weiler
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method for applying a secondary filter layer or precoat layer in a...
Patent number
4,427,554
Issue date
Jan 24, 1984
Passavant-Werke AG & Co. KG
Oswald Busse
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Scraper apparatus for settling basins and the like
Patent number
4,417,983
Issue date
Nov 29, 1983
Passavant-Werke AG & Co. KG
Rudolf Smigerski
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Plate-type filter press with a cleaning truck
Patent number
4,405,457
Issue date
Sep 20, 1983
Passavant-Werke AG & Co. KG
Oswald Busse
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Sludge de-watering plant with a plurality of filter presses connect...
Patent number
4,370,232
Issue date
Jan 25, 1983
Passavant-Werke AG & Co. KG
Oswald Busse
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Apparatus for extracting liquid from a suspension
Patent number
4,368,125
Issue date
Jan 11, 1983
Passavant-Werke AG & Co. KG
James D. Murray
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
73386331 - BIOFLEX
Serial number
73386331
Registration number
1338367
Filing date
Sep 17, 1982
Passavant-Werke AG & Co. KG
37 - Building construction