Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Combination for use in a rotary drilling system with torque meter

Combination for use in a rotary drilling system with torque meter

US Patent 4250758 · Granted Feb 17, 1981

Estimated economic value: $8,209,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Method and apparatus for downhole sensing using neutron pulses and gamma radiati2017
System for logging formations surrounding a wellbore2008
Blind mounting face plate and anchor means1993
Water cut monitoring means and method1992
Water-cut monitoring means and method1991
Wire to wire electrical connector with blade contact1990
Electromagnetic propagation thin bed resistivity well logging system and method1990
Multi-sensor steam quality monitoring means and method1989
Stripping gland1988
Well logging disc coil receiving means and method1987
Deep penetration well logging sonde1987
Secondary field dielectric constant and/or resistivity well logging system and m1987