DW

Donald C. Watson

OD Oil Dynamics: 2 patents #4 of 5Top 80%
UN Unknown: 2 patents #12,644 of 83,584Top 20%
Schlumberger Technology: 1 patents #3,893 of 7,293Top 55%
Overall (All Time): #1,040,946 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6507990 Method of manufacturing a stator Richard J. Moreno 2003-01-21
D369589 Cross coupling cable protector Scott E. Neff 1996-05-07
5128573 Rotor bearing for submersible pump motor Joseph Liu 1992-07-07
5003210 Stator and bearing for submersible pump motor Joseph Liu 1991-03-26
4649674 Drain hole seal with bottom bleeder Craig S. Gaul, Oliver M. Knutson 1987-03-17