Assignee
PANDROL LTD
GB·61 granted patents·4 pending applications·732 citations·filing 1975–2021
Top patents by PatentIndex Score
65 records- 0196US5520330ARailway rail-fastening clip and assembly and methods of employing the samePANDROL LTD·Filed 1992·Granted May 28, 1996·62 cites·27 claims
- 0292US6761322B1Railway baseplate assemblyPANDROL LTD·Filed 2000·Granted Jul 13, 2004·28 cites·28 claims
- 0391US7690584B2Fastener for supporting railroad tiesPANDROL LTD·Filed 2006·Granted Apr 6, 2010·13 cites·19 claims
- 0486US7080791B2Abrasion assembly for supporting railroad tiesPANDROL LTD·Filed 2003·Granted Jul 25, 2006·16 cites·20 claims
- 0583US9951479B2Railway rail fastening clip and pad for recessed railseatsPANDROL LTD·Filed 2016·Granted Apr 24, 2018·2 cites·10 claims
- 0683US9702091B2Railroad tie plate with integral clip retainers and method of making the samePANDROL LTD·Filed 2015·Granted Jul 11, 2017·2 cites·5 claims
- 0783US7845578B2Railway rail fastening clipPANDROL LTD·Filed 2007·Granted Dec 7, 2010·7 cites·12 claims
- 0881US9903074B2Railway rail anchoring devicePANDROL LTD·Filed 2014·Granted Feb 27, 2018·3 cites·20 claims
- 0980US6651897B1Suspended rail fastening assemblyPANDROL LTD·Filed 2000·Granted Nov 25, 2003·13 cites·24 claims
- 1078US4068593ADriving of rail clips in making a railway rail-and-fastening assemblyPANDROL LTD·Filed 1975·Granted Jan 17, 1978·37 cites·14 claims
- 1175US7954727B2Anchoring devices for rail fastening clipsPANDROL LTD·Filed 2007·Granted Jun 7, 2011·4 cites·21 claims
- 1275US6923381B2Railway rail fastening clip and assemblyPANDROL LTD·Filed 2001·Granted Aug 2, 2005·12 cites·28 claims
- 1369US5195679ARail padsPANDROL LTD·Filed 1992·Granted Mar 23, 1993·20 cites·10 claims
- 1467US5735458AFastening railway railsPANDROL LTD·Filed 1996·Granted Apr 7, 1998·39 cites·17 claims
- 1566US4971247APad for placing under a railway rail and a rail-and-fastening assembly including the padPANDROL LTD·Filed 1988·Granted Nov 20, 1990·24 cites·15 claims
- 1666US4050284AFastening member for anchoring a railway railPANDROL LTD·Filed 1976·Granted Sep 27, 1977·14 cites·19 claims
- 1759US6648238B2Electrically insulating rail padPANDROL LTD·Filed 2001·Granted Nov 18, 2003·6 cites·8 claims
- 1857US5261599ARail padsPANDROL LTD·Filed 1992·Granted Nov 16, 1993·20 cites·22 claims
- 1956US9562330B2Railway rail fastening clip and pad for recessed railseatsPANDROL LTD·Filed 2013·Granted Feb 7, 2017·0 cites·4 claims
- 2056US4073435ARailway rail-fastening clip and a railway rail-and-fastening assembly employing itPANDROL LTD·Filed 1976·Granted Feb 14, 1978·15 cites·12 claims
- 2155US4771944ARail pads and rail assemblies including such padsPANDROL LTD·Filed 1987·Granted Sep 20, 1988·25 cites·10 claims
- 2255US4756477APlate for supporting railway rails and a track assembly using itPANDROL LTD·Filed 1987·Granted Jul 12, 1988·24 cites·4 claims
- 2355US4466569AAnchoring a railway rail-fastening clip to a foundation for a railway railPANDROL LTD·Filed 1981·Granted Aug 21, 1984·26 cites·18 claims
- 2455US4278204ARail clipPANDROL LTD·Filed 1979·Granted Jul 14, 1981·9 cites·13 claims
- 2555US2023001968A1Remote Wear Monitoring of Components in a Railway Rail Fastening SystemPANDROL LTD·Filed 2021·Application pending·0 cites
- 2653US10422085B2Tie plate for railroad tracks with spike protectorsPANDROL LTD·Filed 2017·Granted Sep 24, 2019·0 cites·16 claims
- 2752US11634872B2Transparent railroad railseat assemblyPANDROL LTD·Filed 2019·Granted Apr 25, 2023·0 cites·9 claims
- 2852US5566882ARailway rail-fastening clip and assembly and methods of employing the samePANDROL LTD·Filed 1995·Granted Oct 22, 1996·20 cites·11 claims
- 2952US4319392ARemoving rail clips from a railway trackPANDROL LTD·Filed 1979·Granted Mar 16, 1982·21 cites·10 claims
- 3051US5678762ARailway rail fastening assemblies including resilient railway rail fastening clips and associated insulatorsPANDROL LTD·Filed 1995·Granted Oct 21, 1997·23 cites·15 claims
- 3151US4694690AMeasuring displacement between two relatively movable structuresPANDROL LTD·Filed 1986·Granted Sep 22, 1987·12 cites·16 claims
- 3249US11248349B2Pad for a railway rail fastening assemblyPANDROL LTD·Filed 2017·Granted Feb 15, 2022·0 cites·20 claims
- 3349US11236474B2Railway fastener for use with crosstiesPANDROL LTD·Filed 2018·Granted Feb 1, 2022·1 cites·10 claims
- 3449US11155967B2Swing turnout for railroad tracks and method for providing a turnoutPANDROL LTD·Filed 2017·Granted Oct 26, 2021·0 cites·23 claims
- 3548US4915299AFastening railway railsPANDROL LTD·Filed 1988·Granted Apr 10, 1990·12 cites·13 claims
- 3648US4757945AElectrically insulating device for use on a railway track under and beside the foot of a railPANDROL LTD·Filed 1987·Granted Jul 19, 1988·17 cites·12 claims
- 3747US10519608B2Method and apparatus for installing a rail on a tie in a railroad systemPANDROL LTD·Filed 2017·Granted Dec 31, 2019·0 cites·9 claims
- 3846US4479440ARail clip driving apparatusPANDROL LTD·Filed 1981·Granted Oct 30, 1984·17 cites·22 claims
- 3946US4141500ARailway tie plate and a method of making a railway tie platePANDROL LTD·Filed 1977·Granted Feb 27, 1979·13 cites·10 claims
- 4044US11753774B2Anchoring device for a railway rail fastening assemblyPANDROL LTD·Filed 2019·Granted Sep 12, 2023·0 cites·20 claims
- 4143US7874527B2Fastening rail in railway slide chair assemblyPANDROL LTD·Filed 2005·Granted Jan 25, 2011·0 cites·18 claims
- 4243US4104483ADevice suitable for use in a railway rail-and-fastening assembly to insulate a rail from a rail clip and from an anchorage for the clipPANDROL LTD·Filed 1976·Granted Aug 1, 1978·10 cites·9 claims
- 4342US4349151AHolding a railway rail down on a support memberPANDROL LTD·Filed 1980·Granted Sep 14, 1982·13 cites·10 claims
- 4440US6079631ARail-fastening assemblyPANDROL LTD·Filed 1996·Granted Jun 27, 2000·17 cites·33 claims
- 4540US5718376ARailway rail-fastening clip and assemblyPANDROL LTD·Filed 1996·Granted Feb 17, 1998·14 cites·14 claims
- 4640US2019242067A1Screwed fastening system for railway railsPANDROL LTD·Filed 2017·Application pending·0 cites
- 4739US4566631AElectrically insulating railway rails from rail-fastening meansPANDROL LTD·Filed 1983·Granted Jan 28, 1986·9 cites·5 claims
- 4839US2006144659A1Tuned absorbers for railway railsPANDROL LTD·Filed 2006·Application pending·0 cites
- 4938US5605284AElastic rail clampsPANDROL LTD·Filed 1995·Granted Feb 25, 1997·10 cites·8 claims
- 5037US6318939B1Fastening devicePANDROL LTD·Filed 1998·Granted Nov 20, 2001·19 cites·2 claims
Showing the top 50 of 65 patent records by PatentIndex Score.
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