Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Bubble plate system for biological purification of air and waste water

Bubble plate system for biological purification of air and waste water

US Patent 4869824 · Granted Sep 26, 1989

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Conditioning method for dehydrating clarification sludge2002
Process for the treatment of organic pollutants in wastewaters by wet oxidation1998
Oxidative cleaning process of contaminated slurries or slurried earth1998
Process for the biological purification of waste air streams1993
Wood/log processing machine1984
Packing for technical processes1983
Tree processing apparatus1983