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Stewart A. Simpson

📍 Marshall, TX: #10 of 62 inventorsTop 20%
🗺 Texas: #33,546 of 125,132 inventorsTop 30%
Overall (All Time): #1,191,913 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
9562184 Fluid composition for wellbore and pipleline cleanout and method of use thereof Nathan R. Hutchings 2017-02-07
8940666 Fluid composition for wellbore and pipeline cleanout and method of use thereof Nathan R. Hutchings 2015-01-27
5178769 Filter for removing liquid hydrocarbons from water and process of removing gaseous and/or hydrocarbons from water Rock Dicke 1993-01-12
5151194 Filter for removing liquid hydrocarbons from water and process of removing gaseous and/or hydrocarbons from water Rock Dicke 1992-09-29