Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Method of making insulated tubular conduit

Method of making insulated tubular conduit

US Patent 4480371 · Granted Nov 6, 1984

Estimated economic value: $8,397,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Apparatus for controlling well cementing operation1992
Method of testing and reconditioning insulating tubular conduits1987
Method of testing and reconditioning insulating tubular conduits1987
Insulating tubular conduit apparatus1986
Insulating tubular conduit apparatus1986
Plastically deformed seals in downhole tools1986
Plastically deformed seals in downhole tools1986
Concentric walled conduit for a tubular conduit string1986
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
Gas well liquid removal system and process1985