Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Borehole acoustic transmitter

Borehole acoustic transmitter

US Patent 4890687 · Granted Jan 2, 1990

Estimated economic value: $19,888,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Methods and devices for modulating excitable tissue of the exiting spinal nerves2014
Chiral phosphorous compounds2011
Acoustic borehole logging1990
Method for determining earth stresses in formations surrounding a cased well1990
Method for identifying formation fractures surrounding a well casing1990
Acoustic energy transmitter for borehole logging1988
Method for driving a bender-type transmitter of a borehole logging tool to seque1988
Borehole logging method for determining the damping of acoustic tube waves in su1987
Vinpocetine for pulmonary hemorrhage and edema1987
Process for preparing 6,7,8,9-tetrahydro-10-methylpyrido[1,2-a]indol-9-amines an1987
6,7,8,9-tetrahydro-10-methylpyrido[1,2-a]indol-9-amines and derivatives thereof,1986
Method of using seismic data to monitor firefloods1986