Inventor · disambiguated record
Darrell Clark Fee
Also filed as: FEE DARRELL C · FEE DARRELL CLARK
4 granted patents·143 citations·filing 1987–2019
79Inventor score
Top patents by PatentIndex Score
4 records- 0193US10472169B1Container having gate valvePERIMETER SOLUTIONS LP·Filed 2018·Granted Nov 12, 2019·38 cites·20 claims
- 0293US8198350B2Polymer-modified asphalt with a crosslinking agent and methods of preparingFEE DARRELL C·Filed 2010·Granted Jun 12, 2012·41 cites·36 claims
- 0383US4877506AMonolithic solid electrolyte oxygen pumpFEE DARRELL C·Filed 1987·Granted Oct 31, 1989·62 cites·15 claims
- 0472US10962121B2Gate valve sealing ring flow guidePERIMETER SOLUTIONS LP·Filed 2019·Granted Mar 30, 2021·2 cites·23 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →