Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Dewatering of sewage sludges on chamber filter presses

Dewatering of sewage sludges on chamber filter presses

US Patent 4411797 · Granted Oct 25, 1983

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Decomposition of organohalogen compounds in dust-laden-waste gases1997
Catalyst containing metal oxides for use in the degenerative oxidation of organi1993
Removal of metal ions from process wastewaters1992
Utilization of soot from synthesis gas production in sewage treatment1991
Process for producing combustible sewage sludge filter cakes in filter presses1989
Cleaning and disposal of carbon black and ash containing wastewaters1989
Treatment and disposal of wastewaters containing carbon black and ash1988
Dewatering of petroleum-containing sludges with recovery of the oil component1983
Process and apparatus for the biological purification of sewage1983
Manufacture of fibrids from polymers1980
Manufacture of fibrids from polymers1980
Processes and apparatus for removing suspended matter from suspensions by filtra1980