Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Water purification process

Water purification process

US Patent 5935441 · Granted Aug 10, 1999

Estimated economic value: $16,475,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Process for purifying water2000
Electrodeionization process for purifying a liquid1997
Method for removing color-imparting contaminants from pulp and paper waste strea1995
Water purification method and apparatus1993
System for purifying and degasifying water by reverse osmosis1992
Method for using a flocculant powder1991
Method for reducing the amount of colorants in a caustic liquor1991
Method for reducing the amount of anionic metal-ligand complex in a solution1991
Method for removing arsenic or selenium from an aqueous solution containing a su1990
Method for reducing the amount of anionic metal ligand complex in a solution1989
Depletion compartment and spacer construction for electrodeionization apparatus1988