Assignee
PANDROL LTD
GB61 patents
Top patents by PatentIndex Score
US5520330AMay 28, 1996
Railway rail-fastening clip and assembly and methods of employing the same
PANDROL LTD62 citations94
US6761322B1Jul 13, 2004
Railway baseplate assembly
PANDROL LTD28 citations90
US5735458AApr 7, 1998
Fastening railway rails
PANDROL LTD39 citations90
US5566882AOct 22, 1996
Railway rail-fastening clip and assembly and methods of employing the same
PANDROL LTD20 citations90
US4971247ANov 20, 1990
Pad for placing under a railway rail and a rail-and-fastening assembly including the pad
PANDROL LTD24 citations89
US4771944ASep 20, 1988
Rail pads and rail assemblies including such pads
PANDROL LTD25 citations86
US5678762AOct 21, 1997
Railway rail fastening assemblies including resilient railway rail fastening clips and associated insulators
PANDROL LTD23 citations85
US7690584B2Apr 6, 2010
Fastener for supporting railroad ties
PANDROL LTD13 citations82
US7080791B2Jul 25, 2006
Abrasion assembly for supporting railroad ties
PANDROL LTD16 citations82
US6651897B1Nov 25, 2003
Suspended rail fastening assembly
PANDROL LTD13 citations82
US4068593AJan 17, 1978
Driving of rail clips in making a railway rail-and-fastening assembly
PANDROL LTD37 citations81
US5261599ANov 16, 1993
Rail pads
PANDROL LTD20 citations80
US6923381B2Aug 2, 2005
Railway rail fastening clip and assembly
PANDROL LTD12 citations79
US4756477AJul 12, 1988
Plate for supporting railway rails and a track assembly using it
PANDROL LTD24 citations77
US6079631AJun 27, 2000
Rail-fastening assembly
PANDROL LTD17 citations75
US4278204AJul 14, 1981
Rail clip
PANDROL LTD9 citations74
US5605284AFeb 25, 1997
Elastic rail clamps
PANDROL LTD10 citations73
US5195679AMar 23, 1993
Rail pads
PANDROL LTD20 citations73
US4694690ASep 22, 1987
Measuring displacement between two relatively movable structures
PANDROL LTD12 citations73
US9951479B2Apr 24, 2018
Railway rail fastening clip and pad for recessed railseats
PANDROL LTD2 citations72
US9903074B2Feb 27, 2018
Railway rail anchoring device
PANDROL LTD3 citations72
US6342287B1Jan 29, 2002
Elastic pad, especially under-rail
PANDROL LTD15 citations72
US6318939B1Nov 20, 2001
Fastening device
PANDROL LTD19 citations71
US5718376AFeb 17, 1998
Railway rail-fastening clip and assembly
PANDROL LTD14 citations71
US4566631AJan 28, 1986
Electrically insulating railway rails from rail-fastening means
PANDROL LTD9 citations71
US4413777ANov 8, 1983
Rail clip and an assembly on a railway track which includes the clip
PANDROL LTD7 citations71
US4073435AFeb 14, 1978
Railway rail-fastening clip and a railway rail-and-fastening assembly employing it
PANDROL LTD15 citations71
US4050284ASep 27, 1977
Fastening member for anchoring a railway rail
PANDROL LTD14 citations71
US9702091B2Jul 11, 2017
Railroad tie plate with integral clip retainers and method of making the same
PANDROL LTD2 citations70
US4915299AApr 10, 1990
Fastening railway rails
PANDROL LTD12 citations70
US4461422AJul 24, 1984
Railway spike and an assembly on a railway track incorporating the spike
PANDROL LTD8 citations70
US7845578B2Dec 7, 2010
Railway rail fastening clip
PANDROL LTD7 citations69
US4466569AAug 21, 1984
Anchoring a railway rail-fastening clip to a foundation for a railway rail
PANDROL LTD26 citations69
US4319392AMar 16, 1982
Removing rail clips from a railway track
PANDROL LTD21 citations69
US4757945AJul 19, 1988
Electrically insulating device for use on a railway track under and beside the foot of a rail
PANDROL LTD17 citations68
US4513912AApr 30, 1985
Holding a railway rail down on a support member
PANDROL LTD10 citations68
US4349151ASep 14, 1982
Holding a railway rail down on a support member
PANDROL LTD13 citations68
US4104483AAug 1, 1978
Device suitable for use in a railway rail-and-fastening assembly to insulate a rail from a rail clip and from an anchorage for the clip
PANDROL LTD10 citations67
US6499667B1Dec 31, 2002
Preloading rail clips in steel sleepers
PANDROL LTD9 citations66
US4479440AOct 30, 1984
Rail clip driving apparatus
PANDROL LTD17 citations63
US11155967B2Oct 26, 2021
Swing turnout for railroad tracks and method for providing a turnout
PANDROL LTD0 citations60
US4580338AApr 8, 1986
Apparatus for positioning electrical insulators in making a railway rail-and-fastening assembly
PANDROL LTD4 citations60
US4934594AJun 19, 1990
Fastening railway rails
PANDROL LTD5 citations59
US4913343AApr 3, 1990
Electrical insulator for insulating a railway rail-fastening clip from a retaining member for it
PANDROL LTD3 citations59
US4350291ASep 21, 1982
Railway rail-fastening clip and a railway rail-and-fastening assembly
PANDROL LTD10 citations59
US4141500AFeb 27, 1979
Railway tie plate and a method of making a railway tie plate
PANDROL LTD13 citations59
US4409901AOct 18, 1983
Apparatus for performing operations on a railway track
PANDROL LTD5 citations58
US4300380ANov 17, 1981
Apparatus and a method for use in making a railway rail-fastening clip
PANDROL LTD7 citations58
US7954727B2Jun 7, 2011
Anchoring devices for rail fastening clips
PANDROL LTD4 citations57
US9562330B2Feb 7, 2017
Railway rail fastening clip and pad for recessed railseats
PANDROL LTD0 citations51
Showing the top 50 of 61 patents by PatentIndex Score.