RF

Roland Richard Freiheit

WE Weatherford/Lamb: 4 patents #167 of 852Top 20%
📍 Edmonton, CA: #486 of 2,912 inventorsTop 20%
Overall (All Time): #1,259,980 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7108071 Automatic tubing filler James F. Wilkin, Geoffrey David Steele 2006-09-19
6612372 Two-stage downhole packer James F. Wilkin 2003-09-02
6513595 Port collar assembly for use in a wellbore Brett Gullory, James F. Wilkin 2003-02-04
6334488 Tubing plug 2002-01-01