Inventor · disambiguated record
Stephen R. Early
Also filed as: EARLY STEPHEN R
28 granted patents·1 pending application·521 citations·filing 1985–2017
97Inventor score
Files withAERO TRANSP PRODUCTS INC12AERO TRANSPORTATION PRODUCTS I6AERO TRANSPORTATION PRODUCTS3EARLY STEPHEN R2AERA TRANSPORTATION PRODUCTS I1
Top patents by PatentIndex Score
29 records- 0196US7367271B2Railway hopper car discharge gateAERO TRANSP PRODUCTS INC·Filed 2004·Granted May 6, 2008·84 cites·11 claims
- 0293US10315668B2Hopper car gate with multiple openingsAERO TRANSP PRODUCTS INC·Filed 2017·Granted Jun 11, 2019·6 cites·14 claims
- 0390US7814842B2Hopper car gate with a laterally opening doorAERO TRANSP PRODUCTS INC·Filed 2008·Granted Oct 19, 2010·16 cites·23 claims
- 0487US8371235B1Vacuum and gravity discharge hopper car gateAERO TRANSP PRODUCTS INC·Filed 2010·Granted Feb 12, 2013·8 cites·25 claims
- 0585US7819067B2Hopper car gate with a curved doorAERO TRANSP PRODUCTS INC·Filed 2008·Granted Oct 26, 2010·12 cites·19 claims
- 0683US8850991B2Hopper car gate assembly with a door having vertically spaced sectionsEARLY STEPHEN R·Filed 2012·Granted Oct 7, 2014·10 cites·26 claims
- 0782US7752979B2Hopper car gate with enlarged discharge and increased capacityAERO TRANSP PRODUCTS INC·Filed 2007·Granted Jul 13, 2010·10 cites·24 claims
- 0882US6374750B1Structural panel systemAERO TRANSP PRODUCTS INC·Filed 1999·Granted Apr 23, 2002·45 cites·14 claims
- 0980US9358988B2Automatic hopper car gate opening and closing systemAERO TRANSP PRODUCTS INC·Filed 2013·Granted Jun 7, 2016·4 cites·17 claims
- 1076US4687552ARhodium capped gold IC metallizationTEKTRONIX INC·Filed 1985·Granted Aug 18, 1987·52 cites·17 claims
- 1173US7806057B2Hopper car gate with opposed double doorsAERO TRANSP PRODUCTS INC·Filed 2007·Granted Oct 5, 2010·6 cites·21 claims
- 1271US7171907B2Drive system for a railway hopper car discharge gateAERO TRANSP PRODUCTS·Filed 2004·Granted Feb 6, 2007·17 cites·12 claims
- 1369US6412251B1Web core structural panelAERO TRANSP PRODUCTS INC·Filed 2000·Granted Jul 2, 2002·14 cites·11 claims
- 1469US5921531ARetractable handrail for railroad carsFiled 1997·Granted Jul 13, 1999·35 cites·16 claims
- 1566US4909154AAerodynamic end closures for railway hopper carsAERO TRANSPORTATION PRODUCTS I·Filed 1989·Granted Mar 20, 1990·24 cites·13 claims
- 1663US6085664AVented hatch coverAERO TRANSPORTATION PRODUCTS I·Filed 1997·Granted Jul 11, 2000·32 cites·9 claims
- 1762US9725100B2Hatch cover mounted latch for a railcarAERO TRANSP PRODUCTS INC·Filed 2014·Granted Aug 8, 2017·1 cites·17 claims
- 1858US5517925ARailroad car hatch cover systemAERO TRANSPORTATION PRODUCTS I·Filed 1995·Granted May 21, 1996·19 cites·12 claims
- 1955US6092471ACurved rail cover actuatorAERO TRANSPORTATION PRODUCTS I·Filed 1998·Granted Jul 25, 2000·16 cites·12 claims
- 2055US5355808ABattenless railcar hatch cover assemblyAERO TRANSPORTATION PRODUCTS·Filed 1992·Granted Oct 18, 1994·18 cites·15 claims
- 2154US5016395ABoxcar door having balsa core sandwich constructionAERA TRANSPORTATION PRODUCTS I·Filed 1989·Granted May 21, 1991·17 cites·7 claims
- 2253US9073557B1Railcar hatch cover assemblyAERO TRANSP PRODUCTS INC·Filed 2013·Granted Jul 7, 2015·0 cites·12 claims
- 2353US6352036B1Pneumatic actuator for railroad car coversAERD TRANSP PRODUCTS INC·Filed 1998·Granted Mar 5, 2002·18 cites·14 claims
- 2452US5697121ARailroad car hatch cover lockAERO TRANSPORTATION PRODUCTS I·Filed 1995·Granted Dec 16, 1997·18 cites·13 claims
- 2550US5979139ALightweight, self-supporting panelingAERO TRANSPORTATION PRODUCTS I·Filed 1998·Granted Nov 9, 1999·13 cites·9 claims
- 2645US4934562ACover construction for waste containersAERO TRANSPORTATION PRODUCTS·Filed 1988·Granted Jun 19, 1990·22 cites·19 claims
- 2744US2009090268A1Hopper car having double-curved side wallsEARLY STEPHEN R·Filed 2007·Application pending·0 cites
- 2831USRE35949ERailroad car hatch cover systemFiled 1997·Granted Nov 10, 1998·1 cites·13 claims
- 2931US5572932ARailcar hatch coverAERO TRANSPORTATION PRODUCTS·Filed 1994·Granted Nov 12, 1996·3 cites·4 claims
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