Individual holder
KRUEGER INC I
US·2 granted patents·66 citations·filing 1991–1995
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
2 records- 0170US5160043AMethod of exhausting dissolved oxygen in a nitrogen removal wastewater treatment processKRUEGER INC I·Filed 1991·Granted Nov 3, 1992·36 cites·4 claims
- 0255US5536407ANitrification and denitrification wastewater treatment processKRUEGER INC I·Filed 1995·Granted Jul 16, 1996·30 cites·23 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →