DC

Donald T. Crosswhite

NV National Oilwell Varco: 1 patents #240 of 551Top 45%
NU Nov Canada Ulc: 1 patents #6 of 15Top 40%
📍 Edmonton, CA: #662 of 2,912 inventorsTop 25%
Overall (All Time): #1,413,079 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11313188 Systems, apparatuses, and methods for treating drilling fluid Rennie K. Zazula, Dean M. Bird 2022-04-26
10233706 System, apparatus, and method for recovering barite from drilling fluid Rennie K. Zazula, Dean M. Bird 2019-03-19
8133164 Transportable systems for treating drilling fluid Randy Charles Beebe, Larry Jona Kellert, James Joseph Tait, Dean M. Bird 2012-03-13