Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Anchor device for securing rock bolts

Anchor device for securing rock bolts

US Patent 4820095 · Granted Apr 11, 1989

Assignee

No assignee recorded.

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Method and apparatus for remote self-propelled conveying in mineral deposits2005
Method and apparatus for remote self-propelled conveying in mineral deposits2004
Method and apparatus for remote self-propelled conveying in mineral deposits2004
Method and apparatus for remote self-propelled conveying in mineral deposits2003
Method and apparatus for remote self-propelled conveying in mineral deposits2001
Tow line equipped remote mining machine and method2000
Flexible mobile conveyor with multipivotal linkage1999
Apparatus for yielding support of rock1999
Method and apparatus for boring and shearing of rocks1998
Method and apparatus for mining inclined mineral deposits1996
Digital information recording by burning conductive spots with electrical pulses1996
Method and apparatus for developing shafts using small diameter shafts1996