Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Perforating apparatus energy absorber and explosive charge holder

Perforating apparatus energy absorber and explosive charge holder

US Patent 4428440 · Granted Jan 31, 1984

Estimated economic value: $3,894,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Modular electrochemical cell components, stacks, systems, and method of manufact2021
Method of increasing the detonation velocity of detonating fuse1990
Implosion shaped charge perforator1989
Method and apparatus for perforating subsurface earth formations1988
Automatic separation device for use with wireline conveyed perforating gun1988
High temperature shaped charge perforating apparatus1987
Shaped charge perforating apparatus1987
Explosive safe/arm system for oil well perforating guns1985
Shaped charge well perforator1983
Method and apparatus for disarming and arming explosive oil well perforators1982
Sidewall sampling apparatus1981