Inventor · disambiguated record
Joseph D. Chwirka
Also filed as: CHWIRKA JOSEPH D · CHWIRKA JOSEPH DANIEL
3 granted patents·2 pending applications·30 citations·filing 2002–2018
68Inventor score
Technology areasC02F
Top patents by PatentIndex Score
5 records- 0189US7514004B1In-tank recirculating arsenic treatment systemSANDIA CORP·Filed 2008·Granted Apr 7, 2009·17 cites·22 claims
- 0263US6787041B2Carbon dioxide enhanced complex-adsorption process for metal or metalloid removal from waterCH2M HILL INC·Filed 2002·Granted Sep 7, 2004·12 cites·34 claims
- 0355US9969639B2Anaerobic suspended growth treatment of contaminated waterTHOMSON BRUCE MERRILL·Filed 2014·Granted May 15, 2018·1 cites·15 claims
- 0445US2018222782A1Anaerobic suspended growth treatment of contaminated waterTHOMSON BRUCE MERRILL·Filed 2018·Application pending·0 cites
- 0533US2015101967A1Anaerobic suspended growth water treatment of contaminated waterTHOMSON BRUCE MERRILL·Filed 2013·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →