Inventor · disambiguated record
Joseph D. Duff
Also filed as: DUFF JOSEPH · DUFF JOSEPH D
3 granted patents·1 pending application·12 citations·filing 2017–2020
61Inventor score
Top patents by PatentIndex Score
4 records- 0189US11035367B1Sump pump system with an electronic controller module secured in a sump pump power cordFLINT & WALLING INC·Filed 2019·Granted Jun 15, 2021·10 cites·16 claims
- 0283US10815209B1Recovery of ethylene oxide from sterilization processDUFF JOSEPH D·Filed 2020·Granted Oct 27, 2020·2 cites·3 claims
- 0357US10738020B2Recovery of ethylene oxide from sterilization processDUFF JOSEPH D·Filed 2020·Granted Aug 11, 2020·0 cites·13 claims
- 0433US2019275184A1Recovery and recycle of Ethylene Oxide from Sterilization/Fumigation ProcessesDUFF JOSEPH D·Filed 2017·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →