Assignee
PUREWATER SCIENCES INT INC
US·4 granted patents·179 citations·filing 1987–1987
Top patents by PatentIndex Score
4 records- 0188US4957624AMethod of and arrangement for purifying contaminated waterPUREWATER SCIENCES INT INC·Filed 1987·Granted Sep 18, 1990·77 cites·34 claims
- 0281US4828692ASimplified method and apparatus for purificationPUREWATER SCIENCES INT INC·Filed 1987·Granted May 9, 1989·52 cites·16 claims
- 0364US4867875ACombined water purifying beverage makerPUREWATER SCIENCES INT INC·Filed 1987·Granted Sep 19, 1989·27 cites·5 claims
- 0460US4882052AFilter structure for liquid purification and incorporating detent arrangementPUREWATER SCIENCES INT INC·Filed 1987·Granted Nov 21, 1989·23 cites·19 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →