Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Apparatus for processing sludge

Apparatus for processing sludge

US Patent 4927530 · Granted May 22, 1990

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Production method for biofuel2015
Catalysts for hydrogenolytic dealkylation and use thereof1995
Sewage treatment equipment with activated sludge process bed1994
Waste water treatment equipment1993
Apparatus for continuously producing tube having helical grooves in its inner su1988
Apparatus for continuously producing tube having helical grooves in its inner su1988
Sewage treatment equipment with activated sludge process beds1987
Activated sludge process bed1987
Double twisting machine1984