Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Treatment of sewage sludge

Treatment of sewage sludge

US Patent 5188741 · Granted Feb 23, 1993

Estimated economic value: $6,181,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

High strength shovel and trowels2013
High strength shovels2012
Tri-gum blend2008
Methods for adding value to heavy oil2000
Methods for adding value to heavy oil utilizing a soluble metal catalyst1999
Liquefaction and partial oxidation of plastic materials1998
Environmentally acceptable process for disposing of scrap plastic materials1997
Partial oxidation of partially liquified plastic materials1996
Hydrothermal treatment and partial oxidation of plastic materials1996
Partial oxidation of products of liquefaction of plastic materials1995
Partial oxidation of low rank coal1995
Pumpable aqueous slurries of sewage sludge1994