Assignee
HARSCO CORP
US·137 granted patents·3 pending applications·3,036 citations·filing 1973–2015
Top patents by PatentIndex Score
140 records- 0195US5327346AAutomatic control for central tire inflation systemHARSCO CORP·Filed 1991·Granted Jul 5, 1994·88 cites·10 claims
- 0295US4763690ALeak-proof valve for gas cylindersHARSCO CORP·Filed 1987·Granted Aug 16, 1988·79 cites·9 claims
- 0394US9920487B2Track maintenance apparatus and methodHARSCO CORP·Filed 2015·Granted Mar 20, 2018·6 cites·17 claims
- 0493US5487341ASpiker with hole sensingHARSCO CORP·Filed 1994·Granted Jan 30, 1996·60 cites·25 claims
- 0593US4350318ATie plateHARSCO CORP·Filed 1981·Granted Sep 21, 1982·53 cites·15 claims
- 0691US4481748AShoring system and parts thereofHARSCO CORP·Filed 1981·Granted Nov 13, 1984·56 cites·9 claims
- 0790US4493578AScaffolding connector and systemHARSCO CORP·Filed 1982·Granted Jan 15, 1985·45 cites·22 claims
- 0889US8606439B2Drone vehicleHARSCO CORP·Filed 2013·Granted Dec 10, 2013·5 cites·20 claims
- 0989US5979692ABoss for composite pressure vessel having polymeric linerHARSCO CORP·Filed 1998·Granted Nov 9, 1999·80 cites·11 claims
- 1089US4473209APrefabricated wall form modular unitHARSCO CORP·Filed 1982·Granted Sep 25, 1984·60 cites·4 claims
- 1189US4368986ADual shell blender with intensifierHARSCO CORP·Filed 1980·Granted Jan 18, 1983·64 cites·14 claims
- 1288US4716811ADouble toggle gripping apparatusHARSCO CORP·Filed 1985·Granted Jan 5, 1988·54 cites·17 claims
- 1388US4467853ADoor with guide insulation and weatherstrippingHARSCO CORP·Filed 1982·Granted Aug 28, 1984·78 cites·8 claims
- 1487USD337411SLifting magnetHARSCO CORP·Filed 1991·Granted Jul 13, 1993·29 cites·1 claims
- 1587US5048424ATie replacer and methodHARSCO CORP·Filed 1990·Granted Sep 17, 1991·29 cites·19 claims
- 1687US4611784ASafety lock for jump scaffoldingHARSCO CORP·Filed 1985·Granted Sep 16, 1986·50 cites·14 claims
- 1787US4105439AMethod for production of refined steelHARSCO CORP·Filed 1977·Granted Aug 8, 1978·14 cites·11 claims
- 1886US7811379B2Regenerated calcium aluminate product and process of manufactureHARSCO CORP·Filed 2010·Granted Oct 12, 2010·9 cites·16 claims
- 1986US4003543AColumn lift bracketHARSCO CORP·Filed 1975·Granted Jan 18, 1977·49 cites·2 claims
- 2085US4422617AEdge joistHARSCO CORP·Filed 1982·Granted Dec 27, 1983·38 cites·12 claims
- 2184US4516663ASafety deviceHARSCO CORP·Filed 1982·Granted May 14, 1985·53 cites·19 claims
- 2283USD389588SStair tread having a slip-resistant surfaceHARSCO CORP·Filed 1996·Granted Jan 20, 1998·40 cites·1 claims
- 2383US5617795ATie guide and plate holding apparatusHARSCO CORP·Filed 1994·Granted Apr 8, 1997·27 cites·13 claims
- 2482US8345948B2Automated turnout inspectionHARSCO CORP·Filed 2009·Granted Jan 1, 2013·31 cites·20 claims
- 2582US4867201AParallel-motion dual-diaphragm valveHARSCO CORP·Filed 1989·Granted Sep 19, 1989·66 cites·7 claims
- 2682US4569391ACompact heat exchangerHARSCO CORP·Filed 1984·Granted Feb 11, 1986·61 cites·8 claims
- 2781US9121139B2Track maintenance apparatus and methodHARSCO CORP·Filed 2013·Granted Sep 1, 2015·3 cites·10 claims
- 2881US4671382AScaffolding system for sloped surfacesHARSCO CORP·Filed 1986·Granted Jun 9, 1987·42 cites·26 claims
- 2981US4494162AStarter thermal overload protection systemHARSCO CORP·Filed 1981·Granted Jan 15, 1985·40 cites·2 claims
- 3081US4462197AShoring system and parts thereofHARSCO CORP·Filed 1980·Granted Jul 31, 1984·35 cites·20 claims
- 3180US9937761B2Railroad trailer chassisHARSCO CORP·Filed 2015·Granted Apr 10, 2018·3 cites·24 claims
- 3280US5197389ATie replacerHARSCO CORP·Filed 1991·Granted Mar 30, 1993·24 cites·24 claims
- 3380US4918927ACryogenic liquid containerHARSCO CORP·Filed 1989·Granted Apr 24, 1990·44 cites·15 claims
- 3480US4706825APortable folding bridge craneHARSCO CORP·Filed 1985·Granted Nov 17, 1987·30 cites·20 claims
- 3580US4178724ARail grinding systemHARSCO CORP·Filed 1978·Granted Dec 18, 1979·44 cites·26 claims
- 3679US5305692ATruck mounted tie exchanger with self-aligning tie clampHARSCO CORP·Filed 1992·Granted Apr 26, 1994·27 cites·37 claims
- 3779USD331470SGratingHARSCO CORP·Filed 1990·Granted Dec 1, 1992·28 cites·1 claims
- 3879US4436136AInsulated slatHARSCO CORP·Filed 1981·Granted Mar 13, 1984·48 cites·17 claims
- 3979US4430019AConnector assemblyHARSCO CORP·Filed 1981·Granted Feb 7, 1984·42 cites·45 claims
- 4078US9133069B2Agricultural binder system, agricultural blend, and process of forming an agricultural blendHARSCO CORP·Filed 2014·Granted Sep 15, 2015·2 cites·18 claims
- 4178US5542355ATie plate track fastener feederHARSCO CORP·Filed 1994·Granted Aug 6, 1996·24 cites·20 claims
- 4278US4196079APleated filter underdrain, method and apparatusHARSCO CORP·Filed 1978·Granted Apr 1, 1980·31 cites·8 claims
- 4377US4236441AField artillery ammunition support vehicleHARSCO CORP·Filed 1979·Granted Dec 2, 1980·31 cites·10 claims
- 4476US4134949AMethod to form a bell end in a plastic pipeHARSCO CORP·Filed 1977·Granted Jan 16, 1979·33 cites·3 claims
- 4575US9598822B2Lead rail vehicle with drone vehicle and methodHARSCO CORP·Filed 2015·Granted Mar 21, 2017·3 cites·18 claims
- 4675US5186109ASide shift railway guide wheel apparatus for rail/highway conversion with V-shaped automatic centering surfaces for centering vehicle relative to the railsHARSCO CORP·Filed 1991·Granted Feb 16, 1993·35 cites·19 claims
- 4774US4733896ALift container and method for using sameHARSCO CORP·Filed 1986·Granted Mar 29, 1988·29 cites·16 claims
- 4873US5330155APressure-loaded cylinder valve insertHARSCO CORP·Filed 1991·Granted Jul 19, 1994·32 cites·17 claims
- 4972US4554624ARailroad measuring, gauging and spiking apparatusHARSCO CORP·Filed 1983·Granted Nov 19, 1985·46 cites·41 claims
- 5071US5359815AProfile grinderHARSCO CORP·Filed 1992·Granted Nov 1, 1994·22 cites·28 claims
Showing the top 50 of 140 patent records by PatentIndex Score.
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