Spring, Texas
United States
13
2019-08-29
The entities that hold a legal rights for patent applications filed by inventor Stair Todd Anthony:
Todd Anthony Stair from Spring, US has applied for patents for these inventions. The list has both pending applications and granted patents:
High opening pressure poppet valve
#2 | 2019-06-06Modular reaming device
#3 | 2019-05-02Wiper dart with reinforced drive element
#4 | 2018-08-23Float valve assembly with drag force dependent deactivation
#5 | 2018-05-17Modular downhole debris separating assemblies
#6 | 2018-01-25Multifunction downhole plug
#7 | 2018-01-18Wellbore isolation devices and methods of use
#8 | 2017-12-28DIFFERENTIAL FILL VALVE ASSEMBLY FOR CASED HOLE
#9 | 2017-12-14Flow-activated fill valve assembly for cased hole
#10 | 2017-10-12Sealed downhole equipment and method for fabricating the equipment
#11 | 2017-09-28Drilling debris separator
#12 | 2017-09-07SEALED DOWNHOLE EQUIPMENT AND METHOD FOR FABRICATING THE EQUIPMENT
#13 | 2017-07-27Angled partial strainer plates for well assembly
1939771 ⎘