WN

William David Norman

Chevron: 2 patents #1,772 of 4,788Top 40%
DT Dowell, A Division Of Schlumberger Technology: 1 patents #14 of 50Top 30%
Overall (All Time): #1,499,327 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9803132 Methods for altering fluid rheology Michael J. Fuller, Maricel Marquez 2017-10-31
9068431 Flow sensing apparatus and methods for use in oil and gas wells Luis Phillipe Tosi, David R. Underdown, Krystian K. Maskos 2015-06-30
5551516 Hydraulic fracturing process and compositions Raymond J. Jasinski, Erik Nelson 1996-09-03