Assignee
AMVEST SYSTEMS INC
US5 patents
Top patents by PatentIndex Score
US6612655B2Sep 2, 2003
Mining system and method featuring a bread loaf shaped borehole
AMVEST SYSTEMS INC37 citations86
US6364418B1Apr 2, 2002
Cutting heads for horizontal remote mining system
AMVEST SYSTEMS INC34 citations80
US6283277B1Sep 4, 2001
Self-propelled, mobile articulated tramming haulage conveyor system for mining operations
AMVEST SYSTEMS INC17 citations77
US6409276B1Jun 25, 2002
Water-jet assisted drum-type mining system
AMVEST SYSTEMS INC7 citations70
US6293628B1Sep 25, 2001
Hydraulic scroll auger mining system and method of using the same
AMVEST SYSTEMS INC5 citations59