PASSAVANT WERKE

DE48 patents

Top patents by PatentIndex Score

PASSAVANT WERKE

Top patents by PatentIndex Score

Process and apparatus for the chemical-mechanical treatment and purification of ground waters, surface waters and effluents

Method and apparatus for mechanically and chemically treating liquids

Method and apparatus for mechanically and chemically treating liquids

Spraying apparatus for cleaning filter press plates

Module for a reactor for anaerobic waste water treatment

Apparatus for extracting liquid from a suspension

Method for thermal disposal of sewage sludge

Filter apparatus having filter bed back-washing means

Procedure and installation for conditioning and subsequent dewatering of sludge

Process for conditioning and dewatering sludges

Process for conditioning soft water to become drinking water

Process for dewatering sludges in filter presses

Plate filter press

Method for applying a secondary filter layer or precoat layer in a plate filter press, and plate filter press for performing the method

Plate-type filter press with a cleaning truck

Sludge de-watering plant with a plurality of filter presses connected in parallel

Chamber filter press

Process for separating organic compounds from water by extraction

Biogas reactor for the anaerobic treatment of waste water

Cleaning apparatus for curved filter screens

Cover for manhole structures

Device for odor filtering of exhaust air from waste water treatment

Bar screen with screen cleaner for waste water treatment installations

Apparatus for treating wastewater with oxygen

Screw pump for conveying waste water and the like

Process of treating wastewater with oxygen

Process for slow softening water

Centrifugal separator having heat transfer means

Process of removing phosphorus and suspended matter from waste water

Scraper apparatus for settling basins and the like

Filter plates for plate filter presses

Filter press with filter plates mutually locked and individually consecutively slidable after release of locking means

Process for filtering sludge-like materials in a filter press

Apparatus for continuous constant discharge of liquid from a container

Apparatus for conveying and dewatering wet coarse screenings debris

Transport device for the filter plates of a filter press

Plate-type filter press

Process and apparatus for the operation of a filter press having a pressure tank communicating therewith

Filter plate for a plate type filter press

Apparatus for continuous dewatering of aqueous suspensions

Traveling band screen

Rotary aerator

Hydraulic cylinder extension device for a filter press

Non-clogging filtrate outlet stopper for use in a plate filter press

Lifting support frame for a filter press

Method for evacuating floating sludge from settling tanks and thickener tanks

Suspension and guidance mechanism for the filter plates of a filter press

Chamber filter press