DD

Darrell L. Davis

AS Aegion Coating Services: 1 patents #6 of 10Top 60%
Overall (All Time): #1,437,573 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11085885 Pipe joint inspection Renato Sanchez, Stephen Sears, Kirk Schmitz, Udaykiran Rokkam 2021-08-10
8800396 Pipeline internal field joint cleaning, coating, and inspection robot Russell Langley, James A. Huggins, John D. Carter, David Paulley, Keith R. Roberts +4 more 2014-08-12
8633713 Internal pipe coating inspection robot Russell Langley, James A. Huggins, John D. Carter, David Paulley, Keith R. Roberts +4 more 2014-01-21