Inventor
WRIGHT RAYMOND L
US20 patents
⚠️ This page may combine multiple inventors who share the name “WRIGHT RAYMOND L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
EASTERN CO
18 patentsUS6296429B1Oct 2, 2001
Mine roof tension nut having improved frangible qualities
EASTERN CO29 citations92
US5599140AFeb 4, 1997
Mine roof support system including an expansion anchor with means assisting resin component mixing and method of installation thereof
EASTERN CO31 citations92
US5344257ASep 6, 1994
Mine roof expansion anchor and bail element
EASTERN CO34 citations92
US5282698AFeb 1, 1994
Threaded fastener, method of fabrication thereof and method of supporting a mine roof using such a fastener
EASTERN CO25 citations92
US5275512AJan 4, 1994
Mine roof expansion anchor and bail member therefor
EASTERN CO35 citations92
US5219248AJun 15, 1993
Mine roof expansion anchor with improved bore hole engagement means and method of installation thereof
EASTERN CO26 citations92
US5094577AMar 10, 1992
Mine roof expansion anchor
EASTERN CO27 citations92
US5033910AJul 23, 1991
Mechanical expansion anchor shell
EASTERN CO27 citations92
US5011337AApr 30, 1991
Mine roof expansion anchor shell and leaf
EASTERN CO24 citations92
US4618291AOct 21, 1986
Nut member and mine roof support system incorporating same
EASTERN CO36 citations92
US4516886AMay 14, 1985
Combined resin-mechanical mine roof support anchor
EASTERN CO53 citations92
US5352066AOct 4, 1994
Mine roof/bolt anchor assembly and method of installation thereof
EASTERN CO48 citations91
US5064311ANov 12, 1991
Mine roof support structure and method
EASTERN CO44 citations87
US5222835AJun 29, 1993
Resin-mixing article for mine roof anchor
EASTERN CO20 citations82
US5501551AMar 26, 1996
Mine roof expansion anchor, expansible shell element used therein and method of installation
EASTERN CO18 citations74
US5316414AMay 31, 1994
Mine roof expansion anchor, tapered plug element used therein and method of installation
EASTERN CO14 citations74
US5098227AMar 24, 1992
Tubular retainer for mine roof expansion anchor and method of use
EASTERN CO17 citations74
US4913593AApr 3, 1990
Mine roof expansion anchor
EASTERN CO20 citations73