Assignee
HARSCO TECHNOLOGIES CORP
US·33 granted patents·1 pending application·527 citations·filing 1993–2008
Top patents by PatentIndex Score
34 records- 0194US6595140B1Railway tie plate insertion apparatus and methodHARSCO TECHNOLOGIES CORP·Filed 2002·Granted Jul 22, 2003·29 cites·13 claims
- 0291US6695277B1Modular form tube and clamp systemHARSCO TECHNOLOGIES CORP·Filed 2002·Granted Feb 24, 2004·41 cites·13 claims
- 0390US6662729B1Rail anchor spreaderHARSCO TECHNOLOGIES CORP·Filed 2002·Granted Dec 16, 2003·21 cites·17 claims
- 0483US7347613B2Apparatus for continuous blendingHARSCO TECHNOLOGIES CORP·Filed 2005·Granted Mar 25, 2008·20 cites·18 claims
- 0581US6515249B1Method of railroad rail repairHARSCO TECHNOLOGIES CORP·Filed 2000·Granted Feb 4, 2003·48 cites·19 claims
- 0677US6386114B1Single shaft tamper with reciprocating rotational outputHARSCO TECHNOLOGIES CORP·Filed 2000·Granted May 14, 2002·14 cites·3 claims
- 0777US5868078ARoad and rail vehicle using rail wheel drive and apparatusHARSCO TECHNOLOGIES CORP·Filed 1997·Granted Feb 9, 1999·41 cites·9 claims
- 0875US7258069B1Laterally adjustable nipper-clipper assembly and method of operating a laterally adjustable nipper-clipper assemblyHARSCO TECHNOLOGIES CORP·Filed 2002·Granted Aug 21, 2007·12 cites·42 claims
- 0972US6598537B2Tie plugger riding station and associated methodHARSCO TECHNOLOGIES CORP·Filed 2001·Granted Jul 29, 2003·9 cites·25 claims
- 1069US7337797B1Ball valve and method of manufactureHARSCO TECHNOLOGIES CORP·Filed 2006·Granted Mar 4, 2008·5 cites·7 claims
- 1168US7114342B2Pressure management system for liquefied natural gas vehicle fuel tanksHARSCO TECHNOLOGIES CORP·Filed 2004·Granted Oct 3, 2006·20 cites·14 claims
- 1268US6473940B1Knob for a post valveHARSCO TECHNOLOGIES CORP·Filed 2001·Granted Nov 5, 2002·14 cites·20 claims
- 1367US7131277B2Cryogenic vessel with an ullage space venturi assemblyHARSCO TECHNOLOGIES CORP·Filed 2005·Granted Nov 7, 2006·4 cites·8 claims
- 1467US6957661B1Valve with pressurization rate reduction deviceHARSCO TECHNOLOGIES CORP·Filed 2003·Granted Oct 25, 2005·18 cites·24 claims
- 1565US6536354B1Railway tie bed scarifierHARSCO TECHNOLOGIES CORP·Filed 2001·Granted Mar 25, 2003·7 cites·5 claims
- 1665US5842500AOverfill preventing valveHARSCO TECHNOLOGIES CORP·Filed 1997·Granted Dec 1, 1998·34 cites·9 claims
- 1764US6089162ARail vehicle for tie loading and unloadingHARSCO TECHNOLOGIES CORP·Filed 1997·Granted Jul 18, 2000·31 cites·17 claims
- 1860US6901973B1Pressurized liquid natural gas filling system and associated methodHARSCO TECHNOLOGIES CORP·Filed 2004·Granted Jun 7, 2005·13 cites·17 claims
- 1960US6276143B1External pressure building circuit for rapid discharge cryogenic liquid cylinderHARSCO TECHNOLOGIES CORP·Filed 2000·Granted Aug 21, 2001·21 cites·26 claims
- 2059US8025013B2Moving platform on rail vehicleHARSCO TECHNOLOGIES CORP·Filed 2008·Granted Sep 27, 2011·1 cites·19 claims
- 2159US6170401B1Rail vehicle for use in the collection and distribution of railroad crosstiesHARSCO TECHNOLOGIES CORP·Filed 1998·Granted Jan 9, 2001·27 cites·10 claims
- 2256US7028489B1Over-pressurization protection system for cryogenic vesselHARSCO TECHNOLOGIES CORP·Filed 2003·Granted Apr 18, 2006·10 cites·6 claims
- 2355US7073339B2Pressure control device for cryogenic liquid vesselHARSCO TECHNOLOGIES CORP·Filed 2004·Granted Jul 11, 2006·10 cites·20 claims
- 2455US6904758B2Cryogenic vessel with an ullage space venturi assemblyHARSCO TECHNOLOGIES CORP·Filed 2003·Granted Jun 14, 2005·9 cites·13 claims
- 2555US5970977ADemand regulator having adjustable air flowHARSCO TECHNOLOGIES CORP·Filed 1997·Granted Oct 26, 1999·20 cites·18 claims
- 2652US6581524B1Conversion device for converting a rotational motion into a reciprocal motionHARSCO TECHNOLOGIES CORP·Filed 2002·Granted Jun 24, 2003·4 cites·11 claims
- 2751US6523260B2Method of making a seamless unitary body quadrilateral header for heat exchangerHARSCO TECHNOLOGIES CORP·Filed 2001·Granted Feb 25, 2003·5 cites·3 claims
- 2847US7182312B1Replaceable outlet on a cylinder valveHARSCO TECHNOLOGIES CORP·Filed 2005·Granted Feb 27, 2007·2 cites·17 claims
- 2944US6575099B1Railway tie insertion guideHARSCO TECHNOLOGIES CORP·Filed 2001·Granted Jun 10, 2003·1 cites·14 claims
- 3042US2007075287A1Regulator union swivel connectionHARSCO TECHNOLOGIES CORP·Filed 2005·Application pending·0 cites
- 3133US6112670ATie ejection apparatus for use with a railroad crosstie distribution vehicleHARSCO TECHNOLOGIES CORP·Filed 1998·Granted Sep 5, 2000·8 cites·12 claims
- 3232US6087013AGlass coated high strength steelHARSCO TECHNOLOGIES CORP·Filed 1993·Granted Jul 11, 2000·15 cites·16 claims
- 3330US5809895ASplit tool mechanical vibratorHARSCO TECHNOLOGIES CORP·Filed 1997·Granted Sep 22, 1998·6 cites·4 claims
- 3425US5863617APortable metal bonded anti-slip coating application processHARSCO TECHNOLOGIES CORP·Filed 1997·Granted Jan 26, 1999·7 cites·22 claims
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