Inventor · disambiguated record
Ronald P. Sellberg
Also filed as: SELLBERG RONALD P
21 granted patents·2 pending applications·343 citations·filing 1979–2016
95Inventor score
Top patents by PatentIndex Score
23 records- 0196US4947760AArticulated flat carTRAILER TRAIN CO·Filed 1989·Granted Aug 14, 1990·122 cites·22 claims
- 0293US8485371B2Use of no-bake mold process to manufacture railroad couplersNIBOUAR F ANDREW·Filed 2010·Granted Jul 16, 2013·16 cites·10 claims
- 0390US8662327B2Railway coupler core structure for increased strength and fatigue life of resulting knuckleNIBOUAR F ANDREW·Filed 2009·Granted Mar 4, 2014·19 cites·17 claims
- 0487US7401559B2Single level enclosed railcar and method of manufacturingTTX CO·Filed 2005·Granted Jul 22, 2008·11 cites·40 claims
- 0586US8408406B2Central datum feature on railroad coupler body and corresponding gaugesSMERECKY JERRY R·Filed 2009·Granted Apr 2, 2013·14 cites·11 claims
- 0684US8544662B2Central datum feature on railroad coupler body and corresponding gaugesBEDLOE IND LLC·Filed 2013·Granted Oct 1, 2013·8 cites·28 claims
- 0783US8783481B2Use of no-bake mold process to manufacture railroad couplersBEDLOE IND LLC·Filed 2013·Granted Jul 22, 2014·2 cites·20 claims
- 0880US7802525B2Multi-fold doors for enclosed railcarsTTX CO·Filed 2008·Granted Sep 28, 2010·10 cites·5 claims
- 0977US4905608ARailroad well carTRAILER TRAIN CO·Filed 1989·Granted Mar 6, 1990·35 cites·44 claims
- 1069US9079590B2Use of no-bake mold process to manufacture railroad couplersBEDLOE IND LLC·Filed 2014·Granted Jul 14, 2015·0 cites·49 claims
- 1168US4339996AArticulated railway carBRODEUR RENE H·Filed 1979·Granted Jul 20, 1982·19 cites·7 claims
- 1267US4848611ARailroad car coupler arrangement limiting excess lateral movement of the coupler shankTRAILER TRAIN CO·Filed 1988·Granted Jul 18, 1989·23 cites·6 claims
- 1366US9505418B2Use of no-bake mold process to manufacture railroad couplersBEDLOE IND LLC·Filed 2015·Granted Nov 29, 2016·0 cites·26 claims
- 1466US4776474ARailroad car coupler arrangement limiting excess lateral movement of the coupler shankAMSTED IND INC·Filed 1985·Granted Oct 11, 1988·22 cites·13 claims
- 1563US8833269B2Top chord stiffener for enclosed railcarDAWSON RICHARD W·Filed 2009·Granted Sep 16, 2014·4 cites·10 claims
- 1661US4480554AArticulated rail car for vehicular trailersBRODEUR RENE H·Filed 1982·Granted Nov 6, 1984·17 cites·1 claims
- 1757US8128325B2Tie-down anchor for freightSELLBERG RONALD P·Filed 2009·Granted Mar 6, 2012·2 cites·18 claims
- 1854US9505416B2Top chord stiffener for enclosed railcarTTX CO·Filed 2014·Granted Nov 29, 2016·0 cites·23 claims
- 1950US2008276830A1Single level enclosed railcar and method of manufacturingTTX CO·Filed 2008·Application pending·0 cites
- 2048US5360125ADraw bar connection having a relatively rigid filling member to allow about one half inch of travelTTX CO·Filed 1993·Granted Nov 1, 1994·13 cites·11 claims
- 2147US7614834B2Tie-down anchor for freightTTX CO·Filed 2005·Granted Nov 10, 2009·0 cites·12 claims
- 2240US2017232503A1Use of no-bake mold process to manufacture side frame and bolster for a railway truckNEVIS IND LLC·Filed 2016·Application pending·0 cites
- 2337US4771703ARailroad flatcar with axle guardsBRODEUR RENE H·Filed 1988·Granted Sep 20, 1988·6 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →