Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Apparatus for controlling well cementing operation

Apparatus for controlling well cementing operation

US Patent 5092406 · Granted Mar 3, 1992

Estimated economic value: $6,891,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Method of testing and reconditioning insulating tubular conduits1987
Insulating tubular conduit apparatus1986
Plastically deformed seals in downhole tools1986
Concentric walled conduit for a tubular conduit string1986
Well tool having knitted wire mesh seal means and method of use thereof1985
Gas well liquid removal system and process1985
Method of making insulated tubular conduit1984
Method and apparatus for opening downhole flapper valves1984
Insulating tubular conduit apparatus1984
Cyclic annulus pressure controlled oil well flow valve and method1983
Seal assembly with energizing mechanism1983
Insulating tubular conduit apparatus and method1983