Duncan, Oklahoma
United States
10
2026-06-04
The entities that hold a legal rights for patent applications filed by inventor Williams Derek:
Derek Williams from Duncan, US has applied for patents for these inventions. The list has both pending applications and granted patents:
DETERMINING OPERATIONAL READINESS OF CEMENTING EQUIPMENT
#2 | 2023-08-31Remote control bulk material monitoring and delivery system
#3 | 2022-03-17Additive control method utilizing smart redundant feedback
#4 | 2022-03-10Remote control bulk material monitoring and delivery system
#5 | 2019-05-09Cement supply control systems and methods
#6 | 2018-09-20Setting valve configurations in a manifold system
#7 | 2018-08-30Pre-job operation valve checks
#8 | 2018-07-12High pressure valve and transmission safety checks
#9 | 2018-05-24Variable frequency drive motor control
#10 | 2017-09-14Variable frequency drive motor control
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