Inventor
STANKUS JOHN C
US78 patents
⚠️ This page may combine multiple inventors who share the name “STANKUS JOHN C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
JENNMAR CORP
44 patentsUS5542788AAug 6, 1996
Method and apparatus for monitoring mine roof support systems
JENNMAR CORP49 citations96
US5511909AApr 30, 1996
Cable bolt and method of use in supporting a rock formation
JENNMAR CORP68 citations96
US5919006AJul 6, 1999
Tensionable cable bolt with mixing assembly
JENNMAR CORP57 citations95
US6612783B2Sep 2, 2003
Cable bolt with mixing delay device
JENNMAR CORP19 citations93
US6527482B1Mar 4, 2003
Grit surface cable products
JENNMAR CORP29 citations93
US5556234ASep 17, 1996
Mine roof bolt assembly
JENNMAR CORP35 citations93
US5232311AAug 3, 1993
Roof control system
JENNMAR CORP22 citations93
US5078547AJan 7, 1992
Expansion assembly for mine roof bolts
JENNMAR CORP38 citations93
US4861198AAug 29, 1989
Expansion assembly for mine roof bolts
JENNMAR CORP34 citations93
US7296950B1Nov 20, 2007
Point anchor coated mine roof bolt
JENNMAR CORP22 citations92
US6322290B1Nov 27, 2001
Cable bolt head
JENNMAR CORP27 citations92
US6056482AMay 2, 2000
Cable bolt head
JENNMAR CORP25 citations92
US5954455ASep 21, 1999
Combination bolt system
JENNMAR CORP36 citations92
US5824912AOct 20, 1998
Method of roof control in an underground mine
JENNMAR CORP20 citations92
USRE35902ESep 22, 1998
Bearing plate
JENNMAR CORP21 citations92
US5769570AJun 23, 1998
Cable tensioning dome plate
JENNMAR CORP26 citations92
US5762451AJun 9, 1998
Multi-piece, split bail expansion anchor
JENNMAR CORP22 citations92
US5314268AMay 24, 1994
Non-metallic reinforcing rod and method of use in supporting a rock formation
JENNMAR CORP33 citations92
US5292209AMar 8, 1994
Bearing plate
JENNMAR CORP22 citations92
US5244314ASep 14, 1993
Expansion assembly
JENNMAR CORP48 citations92
US6283451B1Sep 4, 2001
Hydraulic tensioner for mine roof support cables
JENNMAR CORP23 citations91
US6270290B1Aug 7, 2001
Tensionable cable bolt
JENNMAR CORP40 citations91
US6074134AJun 13, 2000
Tensionable cable bolt
JENNMAR CORP20 citations91
US4865489ASep 12, 1989
Mine roof anchor having adjustable resin retaining washer
JENNMAR CORP26 citations91
US5082399AJan 21, 1992
Mine roof anchor having adjustable resin retaining washer and expansion shell assembly with friction reducing means
JENNMAR CORP32 citations90
US5385433AJan 31, 1995
Bearing plate
JENNMAR CORP25 citations89
US6599059B2Jul 29, 2003
Three-prong shell
JENNMAR CORP23 citations87
US5009549AApr 23, 1991
Expansion assembly for mine roof bolts
JENNMAR CORP21 citations82
US5302056AApr 12, 1994
Method and apparatus for supporting a mine roof
JENNMAR CORP16 citations81
US7261494B2Aug 28, 2007
Truss shoe
JENNMAR CORP10 citations80
US7073982B2Jul 11, 2006
Point anchor coated mine roof bolt
JENNMAR CORP12 citations80
US6619888B2Sep 16, 2003
Flange nut for mine roof bolt
JENNMAR CORP19 citations80
US7134810B2Nov 14, 2006
Yieldable prop having a yield section
JENNMAR CORP9 citations74
US5967703AOct 19, 1999
Mine roof support system
JENNMAR CORP15 citations74
US5957627ASep 28, 1999
Pillar cable truss system
JENNMAR CORP7 citations74
USRE36019EDec 29, 1998
Roof control system
JENNMAR CORP8 citations74
US5425601AJun 20, 1995
Longwall mining roof control system
JENNMAR CORP15 citations74
US7334968B2Feb 26, 2008
Yieldable prop
JENNMAR CORP7 citations73
US7284933B2Oct 23, 2007
Square embossed roof and rib plate
JENNMAR CORP9 citations72
US5181800AJan 26, 1993
Mine roof anchor having adjustable resin retaining washer
JENNMAR CORP19 citations72
US5184923AFeb 9, 1993
Expansion shell assembly
JENNMAR CORP12 citations71
US4969778ANov 13, 1990
Expansion assembly for mine roof bolts utilized in small diameter bore holes
JENNMAR CORP19 citations71
US4904123AFeb 27, 1990
Expansion assembly for mine roof bolts utilized in small diameter bore holes
JENNMAR CORP19 citations71
US7445408B2Nov 4, 2008
Yieldable prop having a restraint arrangement
JENNMAR CORP2 citations63
JENMAR CORP
2 patentsJ LOK CO
2 patentsFCI HOLDINGS DELAWARE INC
1 patentSTANKUS JOHN C
1 patentShowing the top 50 of 78 patents by PatentIndex Score.