Assignee
MINER ENTERPRISES
US107 patents
Top patents by PatentIndex Score
US4198037AApr 15, 1980
Method of making polyester elastomer compression spring and resulting product
MINER ENTERPRISES214 citations99
US5868384AFeb 9, 1999
Composite elastomeric spring
MINER ENTERPRISES130 citations98
US4566678AJan 28, 1986
Polymeric apparatus and method of making the same
MINER ENTERPRISES145 citations98
US6412422B2Jul 2, 2002
Gate assembly for a railroad hopper car
MINER ENTERPRISES87 citations97
US6263803B1Jul 24, 2001
Gate assembly for a railroad hopper car
MINER ENTERPRISES90 citations97
US5280890AJan 25, 1994
Radial elastomer compression spring
MINER ENTERPRISES169 citations97
US6092470AJul 25, 2000
Railroad car side bearing with thermal insulator
MINER ENTERPRISES68 citations96
US6279487B1Aug 28, 2001
Railroad hopper car door assembly
MINER ENTERPRISES66 citations95
US6019049AFeb 1, 2000
Railroad hopper car door assembly
MINER ENTERPRISES79 citations95
US5601031AFeb 11, 1997
Constant contact side bearing
MINER ENTERPRISES82 citations95
US5351844AOct 4, 1994
Elastomeric spring unit
MINER ENTERPRISES101 citations95
US4601244AJul 22, 1986
Operating system for railroad hopper car gate assembly doors
MINER ENTERPRISES85 citations95
US6796448B1Sep 28, 2004
Railcar draft gear housing
MINER ENTERPRISES63 citations94
US5957441ASep 28, 1999
Hourglass-shaped elastomeric compression spring
MINER ENTERPRISES67 citations93
USD675130SJan 29, 2013
Railcar gate assembly pinion gear
MINER ENTERPRISES24 citations92
US7003850B2Feb 28, 2006
Railroad car hatch cover hinge structure and method for connecting a hatch cover to a railcar
MINER ENTERPRISES14 citations92
US6957611B2Oct 25, 2005
Constant contact side bearing assembly for a railcar
MINER ENTERPRISES22 citations92
US6860530B2Mar 1, 2005
Bar lock mechanism
MINER ENTERPRISES23 citations92
US6637346B2Oct 28, 2003
Railroad hopper car gate assembly and method of operating same
MINER ENTERPRISES17 citations92
US6604469B1Aug 12, 2003
Apparatus for controlling operation of railroad hopper car discharge doors
MINER ENTERPRISES37 citations92
US6488162B1Dec 3, 2002
Draft gear for a reduced-slack drawbar assembly
MINER ENTERPRISES38 citations92
US6478173B2Nov 12, 2002
Railroad car draft gear having a long travel
MINER ENTERPRISES55 citations92
US6431084B1Aug 13, 2002
Railroad hopper car gate assembly and method of operating same
MINER ENTERPRISES28 citations92
US6412421B2Jul 2, 2002
Gate assembly for a railroad hopper car
MINER ENTERPRISES15 citations92
US6363863B1Apr 2, 2002
Gate assembly for a railroad hopper car
MINER ENTERPRISES27 citations92
US6341422B1Jan 29, 2002
Method of manufacturing a railroad car apparatus
MINER ENTERPRISES21 citations92
US6141853ANov 7, 2000
Method of manufacturing and energy absorption apparatus for a railroad car
MINER ENTERPRISES16 citations92
US5829359ANov 3, 1998
Railway hopper car discharge gate assembly
MINER ENTERPRISES30 citations92
US5335403AAug 9, 1994
Method for making an elastomeric spring assembly
MINER ENTERPRISES36 citations92
US5326083AJul 5, 1994
Compression spring with cone shaped frustums subject to compression set
MINER ENTERPRISES60 citations92
US5163372ANov 17, 1992
Unit for actuating gates of a hopper railroad car
MINER ENTERPRISES42 citations92
US4960215AOct 2, 1990
Friction elastomer draft gear
MINER ENTERPRISES53 citations92
US4735328AApr 5, 1988
Split wedge draft gear with center friction plate
MINER ENTERPRISES31 citations92
US4712487ADec 15, 1987
Side bearing unit for railroad car, including method of making
MINER ENTERPRISES47 citations92
US7044061B2May 16, 2006
Railroad car energy absorption apparatus
MINER ENTERPRISES19 citations91
US6877623B2Apr 12, 2005
Elastomeric spring assembly for a railcar and method of making same
MINER ENTERPRISES40 citations91
US6862999B2Mar 8, 2005
Railroad car energy absorption apparatus
MINER ENTERPRISES19 citations91
US6792871B2Sep 21, 2004
Railroad car energy absorption apparatus
MINER ENTERPRISES28 citations91
US5845796ADec 8, 1998
Elastomer spring/hydraulic shock absorber cushioning device
MINER ENTERPRISES49 citations91
USRE35925EOct 20, 1998
Apparatus for controlling operation of a railcar discharge gate assembly having a lost motion mechanism for unlocking the gate prior to movement
MINER ENTERPRISES22 citations91
US5676265AOct 14, 1997
Elastomer spring/hydraulic shock absorber cushioning device
MINER ENTERPRISES18 citations91
US6250617B1Jun 26, 2001
Shock attenuating apparatus
MINER ENTERPRISES23 citations90
US5240269AAug 31, 1993
Bike suspension
MINER ENTERPRISES29 citations90
US6520360B1Feb 18, 2003
Housing for draft gear
MINER ENTERPRISES35 citations89
US5853178ADec 29, 1998
Bellowed seal
MINER ENTERPRISES20 citations89
US5192057AMar 9, 1993
Elastomer rebound, jounce and related compression springs
MINER ENTERPRISES49 citations89
US4542701ASep 24, 1985
Tamper-proof railroad hopper car door operating system
MINER ENTERPRISES33 citations89
US7338034B2Mar 4, 2008
Elastomeric spring
MINER ENTERPRISES25 citations88
US4768816ASep 6, 1988
Means for sealing or locking a cam action door fastener
MINER ENTERPRISES42 citations88
US7624884B2Dec 1, 2009
Railroad car draft gear
MINER ENTERPRISES27 citations87
Showing the top 50 of 107 patents by PatentIndex Score.