DP

Dana Pettigrew

NU Nexen Energy Ulc: 2 patents #2 of 31Top 7%
EH Enterprise Holdings: 1 patents #53 of 159Top 35%
📍 Calgary, CA: #971 of 5,407 inventorsTop 20%
Overall (All Time): #1,208,992 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
8944168 High pressure multistage centrifugal pump for fracturing hydrocarbon reserves Wojciech A. Limanowka, Zoran Vukadin 2015-02-03
8763704 High pressure hydrocarbon fracturing on demand method and related process 2014-07-01
7170262 Variable frequency power system and method of use 2007-01-30
6840324 System for, and a method of pumping fluids from a well 2005-01-11