Inventor · disambiguated record

David D. Calhoun

Also filed as: CALHOUN DAVID D

2 granted patents·1 pending application·2 citations·filing 2020–2024

33Inventor score

Technology areasC02F

Files withZERO DISCHARGE LLC3

Top patents by PatentIndex Score

3 records

0179US11390545B2Zero discharge water treatment apparatus and methodZERO DISCHARGE LLC·Filed 2020·Granted Jul 19, 2022·2 cites·20 claims
0253US2024343609A1Zero Discharge Water Treatment Apparatus and MethodZERO DISCHARGE LLC·Filed 2024·Application pending·0 cites
0348US11897787B2Zero discharge water treatment apparatus and methodZERO DISCHARGE LLC·Filed 2022·Granted Feb 13, 2024·0 cites·49 claims

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