Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › System for detecting blow out and lost circulation in a borehole

System for detecting blow out and lost circulation in a borehole

US Patent 4527425 · Granted Jul 9, 1985

Estimated economic value: $2,456,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Borehole tool1983