Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Process for the anaerobic biological purification of wastewater

Process for the anaerobic biological purification of wastewater

US Patent 4551250 · Granted Nov 5, 1985

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Process for performing reactions1997
Biological wastewater purification with a downstream precipitation stage1991
Suction tube for collecting broken ends of yarn at the outlet of a textile machi1989
Process for biological sewage purification1988
Process and means for conducting the denitrification of water1987
Anaerobic treatment of wastewater1987
Process for the removal of heavy metals contained in wastewaters1987
Process for the anaerobic decomposition of organic substrate1986
Process and apparatus for the biological purification of wastewater1986
Split feed for the anaerobic biological purification of wastewater1985
Process for the compressive regeneration of flexible, porous materials1985
Activated sludge system with integrated regenerator1985