Inventor · disambiguated record
Irwin R. Higgins
Also filed as: HIGGINS IRWIN R
5 granted patents·141 citations·filing 1975–1992
83Inventor score
Files withCHEMICAL SEPARATIONS CORP1CSA DIVISION LAKE IND INC1CSA DIVISION OF LAKE IND INC1HIGGINS IRWIN R1TETRA TECH1
Top patents by PatentIndex Score
5 records- 0182US5082570ARegenerable inorganic media for the selective removal of contaminants from water sourcesCSA DIVISION OF LAKE IND INC·Filed 1990·Granted Jan 21, 1992·59 cites·14 claims
- 0278US3984313APreferential removal of ammonia and phosphatesCHEMICAL SEPARATIONS CORP·Filed 1975·Granted Oct 5, 1976·31 cites·6 claims
- 0363US5078889ASelective removal of contaminants from water sources using inorganic mediaCSA DIVISION LAKE IND INC·Filed 1990·Granted Jan 7, 1992·26 cites·19 claims
- 0454US4707227ASimultaneous electro-deposition of manganese and manganese dioxideHIGGINS IRWIN R·Filed 1986·Granted Nov 17, 1987·11 cites·21 claims
- 0545US5277822AExtraction of thermally stable contaminants from stack gas scrubbing aminesTETRA TECH·Filed 1992·Granted Jan 11, 1994·14 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →