Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Portable seismic shothole drilling system

Portable seismic shothole drilling system

US Patent 6540034 · Granted Apr 1, 2003

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Bearing section of a downhole drilling motor2018
Power section and transmission of a downhole drilling motor2017
Advanced coring apparatus and method2002
Downhole buried utility sensing and data transmission system and method2001
Method and apparatus for prevention, suppression or mitigation of explosions in 2000
Scan assembly structure1997
Apparatus and method for supporting pipe main repair tools in an excavation1997
Wireless downhole electromagnetic data transmission system and method1995
Apparatus and method for shutting off fluid flow in a pipe main1995
Impact and impact-rotary tool testing apparatus using rotary speed and impact en1994
Rotary rapid excavation system1990
Air motor operated rotary earth drilling tool1989