DB

David Anthony Ballard

ML M-I Drilling Fluids Uk Limited: 4 patents #12 of 53Top 25%
IN Intermec: 1 patents #55 of 113Top 50%
📍 Stonehaven, WA: #2 of 2 inventorsTop 100%
Overall (All Time): #978,530 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
10479922 Set on demand compositions 2019-11-19
10208239 Method of removing water-based filter cake 2019-02-19
10081755 Set on demand cement compositions for curing fluid loss 2018-09-25
10072198 Self sealing fluids 2018-09-11
4788558 Method and apparatus for controlling tension in tape progressed along a feed path Edward D. Caldwell 1988-11-29