Inventor · disambiguated record
Tomasz Bis
Also filed as: BIS TOMASZ
31 granted patents·4 pending applications·554 citations·filing 1997–2023
97Inventor score
Top patents by PatentIndex Score
35 records- 0199US7921783B2Hopper car with lading dislodgement fittings and method of operationNAT STEEL CAR LTD·Filed 2008·Granted Apr 12, 2011·86 cites·18 claims
- 0298US8025014B2Railroad freight carNAT STEEL CAR LTD·Filed 2010·Granted Sep 27, 2011·33 cites·25 claims
- 0398US7878125B2Railroad freight carNAT STEEL CAR LTD·Filed 2010·Granted Feb 1, 2011·28 cites·20 claims
- 0497US7681506B2Truck bolsterNAT STEEL CAR LTD·Filed 2005·Granted Mar 23, 2010·48 cites·42 claims
- 0596US10214224B2Rail road hopper carNAT STEEL CAR LTD·Filed 2016·Granted Feb 26, 2019·5 cites·18 claims
- 0696US8596203B2Railroad car and door mechanism thereforFORBES JAMES W·Filed 2011·Granted Dec 3, 2013·19 cites·31 claims
- 0796US7775163B2Rail road car and bearing adapter fittings thereforNAT STEEL CAR LTD·Filed 2007·Granted Aug 17, 2010·41 cites·35 claims
- 0896US7434519B2Rail road freight carNAT STEEL CAR LTD·Filed 2005·Granted Oct 14, 2008·35 cites·27 claims
- 0995US8113126B2Rail road car truck and bolster thereforFORBES JAMES W·Filed 2009·Granted Feb 14, 2012·31 cites·22 claims
- 1093US8356560B2Railroad car and door mechanism thereforNAT STEEL CAR LTD·Filed 2010·Granted Jan 22, 2013·10 cites·30 claims
- 1192US7757611B2Railroad freight carNAT STEEL CAR LTD·Filed 2009·Granted Jul 20, 2010·15 cites·20 claims
- 1292US7631603B2Rail road car truck and bolster thereforNAT STEEL CAR LTD·Filed 2004·Granted Dec 15, 2009·43 cites·28 claims
- 1392US7559284B2Railroad freight carNAT STEEL CAR LTD·Filed 2008·Granted Jul 14, 2009·16 cites·9 claims
- 1492US7461600B2Rail road freight car structureNAT STEEL CAR LTD·Filed 2005·Granted Dec 9, 2008·24 cites·30 claims
- 1591US8622004B2Rail road hopper car ridge fittingsFORBES JAMES W·Filed 2011·Granted Jan 7, 2014·7 cites·107 claims
- 1689US10377392B2Autorack railroad car having convertible deck structureNAT STEEL CAR LTD·Filed 2016·Granted Aug 13, 2019·4 cites·48 claims
- 1788US8915193B2Railroad car and door mechanism thereforBIS TOMASZ·Filed 2013·Granted Dec 23, 2014·7 cites·40 claims
- 1886US8065964B2Rail road hopper car ridge fittingsFORBES JAMES W·Filed 2010·Granted Nov 29, 2011·5 cites·20 claims
- 1984US10239542B2Railroad car and door mechanism thereforNAT STEEL CAR LTD·Filed 2015·Granted Mar 26, 2019·2 cites·24 claims
- 2081US10023206B2Railroad hopper car and door mechanism thereforNAT STEEL CAR LTD·Filed 2014·Granted Jul 17, 2018·3 cites·11 claims
- 2178US8967053B2Railroad hopper car and door mechanism thereforBIS TOMASZ·Filed 2013·Granted Mar 3, 2015·3 cites·23 claims
- 2277US6866452B2Cross member with container stopNAT STEEL CAR LTD·Filed 2001·Granted Mar 15, 2005·18 cites·31 claims
- 2375US8047140B2Rail road hopper car structureNAT STEEL CAR LTD·Filed 2010·Granted Nov 1, 2011·2 cites·21 claims
- 2475US7494309B2Cross member with container stopNAT STEEL CAR LTD·Filed 2005·Granted Feb 24, 2009·6 cites·28 claims
- 2575US6003445ARetractable container stop and guide assembly for railroad freight carsNAT STEEL CAR LTD·Filed 1997·Granted Dec 21, 1999·36 cites·12 claims
- 2668US2019210621A1Railroad car and door mechanism thereforNAT STEEL CAR LTD·Filed 2019·Application pending·0 cites
- 2767US9266539B2Railroad car and door mechanism thereforNAT STEEL CAR LTD·Filed 2013·Granted Feb 23, 2016·1 cites·40 claims
- 2867US2023399033A1Railroad hopper car with flow through structureNAT STEEL CAR LTD·Filed 2023·Application pending·0 cites
- 2966US6354778B1Retractable container stop and guide assembly for railroad freight carsNAT STEEL CAR LTD·Filed 1999·Granted Mar 12, 2002·25 cites·31 claims
- 3063US2020240193A1Railroad hopper car body fittingsNAT STEEL CAR LTD·Filed 2020·Application pending·0 cites
- 3159US12054182B2Railroad freight car access fittingsNAT STEEL CAR LTD·Filed 2020·Granted Aug 6, 2024·0 cites·22 claims
- 3258US10648217B2Railroad hopper car body fittingsNAT STEEL CAR LTD·Filed 2017·Granted May 12, 2020·1 cites·19 claims
- 3347US11697437B2Railroad hopper car structure and gate thereforNAT STEEL CAR LTD·Filed 2020·Granted Jul 11, 2023·0 cites·30 claims
- 3447US2006137565A1Rail road car truck and bearing adapter fitting thereforNAT STEEL CAR LTD·Filed 2004·Application pending·0 cites
- 3545US10689012B2Railroad freight car access fittingsNAT STEEL CAR LTD·Filed 2017·Granted Jun 23, 2020·0 cites·23 claims
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