Assignee
GUNDERSON LLC
US·45 granted patents·17 pending applications·132 citations·filing 2004–2025
Top patents by PatentIndex Score
62 records- 0192US11708095B2Discharge gate arrangements for railroad hopper carsGUNDERSON LLC·Filed 2021·Granted Jul 25, 2023·2 cites·20 claims
- 0291US9358987B2Protective structure for tank top fittingsGUNDERSON LLC·Filed 2015·Granted Jun 7, 2016·7 cites·20 claims
- 0390US7861659B2Lightweight hopper car with through center sillGUNDERSON LLC·Filed 2007·Granted Jan 4, 2011·19 cites·15 claims
- 0489US12202529B2Cover assemblies for railroad carsGUNDERSON LLC·Filed 2021·Granted Jan 21, 2025·1 cites·20 claims
- 0588US10562545B2Covered hopper car with stiffened bulkheadsGUNDERSON LLC·Filed 2016·Granted Feb 18, 2020·5 cites·17 claims
- 0684US10807615B2Covered hopper carGUNDERSON LLC·Filed 2018·Granted Oct 20, 2020·3 cites·4 claims
- 0784US9694828B2Operating mechanism for tank car bottom valveGUNDERSON LLC·Filed 2015·Granted Jul 4, 2017·5 cites·8 claims
- 0884US7806058B2Tank car stub sill attachmentGUNDERSON LLC·Filed 2008·Granted Oct 5, 2010·11 cites·25 claims
- 0983US10906561B2Discharge gate arrangements for railroad hopper carsGUNDERSON LLC·Filed 2018·Granted Feb 2, 2021·2 cites·18 claims
- 1082US12024211B2Discharge gate arrangements for railroad hopper carsGUNDERSON LLC·Filed 2023·Granted Jul 2, 2024·0 cites·20 claims
- 1182US11142225B2Covered hopper carGUNDERSON LLC·Filed 2019·Granted Oct 12, 2021·2 cites·10 claims
- 1281US8371544B2Pipe anchor for railroad carGUNDERSON LLC·Filed 2010·Granted Feb 12, 2013·14 cites·15 claims
- 1381US2025042446A1Asymmetric hopper carsGUNDERSON LLC·Filed 2024·Application pending·0 cites
- 1480US7757610B2Shortened container wellGUNDERSON LLC·Filed 2008·Granted Jul 20, 2010·12 cites·11 claims
- 1579US12286140B2Railcar for transport of steel coils with removable bi-level roofGUNDERSON LLC·Filed 2023·Granted Apr 29, 2025·0 cites·12 claims
- 1679US11643118B2Railcar for transport of steel coils with removable bi-level roofGUNDERSON LLC·Filed 2020·Granted May 9, 2023·1 cites·24 claims
- 1778US11840268B2Railcar for transport of steel coils with removable bi-level roofGUNDERSON LLC·Filed 2023·Granted Dec 12, 2023·0 cites·13 claims
- 1878US7856931B2Center sill for railroad freight carGUNDERSON LLC·Filed 2008·Granted Dec 28, 2010·6 cites·17 claims
- 1977US7654206B2Container support casting for corner of container-carrying well carGUNDERSON LLC·Filed 2006·Granted Feb 2, 2010·7 cites·28 claims
- 2076US7896140B2Handbrake linkage for a railroad freight carGUNDERSON LLC·Filed 2007·Granted Mar 1, 2011·8 cites·10 claims
- 2175US9296398B2Protective structure for top of tank carGUNDERSON LLC·Filed 2013·Granted Mar 29, 2016·4 cites·10 claims
- 2272US9352978B2Treatment of storm waterGUNDERSON LLC·Filed 2014·Granted May 31, 2016·4 cites·9 claims
- 2372US2023322276A1Hopper railroad car having top hatch cover assemblyGUNDERSON LLC·Filed 2023·Application pending·0 cites
- 2469US12122431B2Asymmetric hopper carsGUNDERSON LLC·Filed 2021·Granted Oct 22, 2024·0 cites·12 claims
- 2569US9061687B2Railroad car for carrying motor vehiclesGUNDERSON LLC·Filed 2013·Granted Jun 23, 2015·2 cites·7 claims
- 2668US12434744B2Door assemblies for insulated boxcars and refrigerated boxcarsGUNDERSON LLC·Filed 2022·Granted Oct 7, 2025·1 cites·17 claims
- 2768US2026002633A1Bellcrank mounting assemblies for railcarsGUNDERSON LLC·Filed 2025·Application pending·0 cites
- 2867US9180893B2Protective structure for tank top fittingsGUNDERSON LLC·Filed 2014·Granted Nov 10, 2015·2 cites·10 claims
- 2964US12539893B2Gondola railroad carGUNDERSON LLC·Filed 2022·Granted Feb 3, 2026·0 cites·31 claims
- 3064US2025282396A1Vent cover assemblies for railroad hopper carsGUNDERSON LLC·Filed 2025·Application pending·0 cites
- 3163US11713061B2Hopper railroad car having top hatch cover assemblyGUNDERSON LLC·Filed 2020·Granted Aug 1, 2023·0 cites·24 claims
- 3263US2026062037A1Hopper railroad car having partition and/or frame assemblies flexibly connected to the side walls and/or roofGUNDERSON LLC·Filed 2024·Application pending·0 cites
- 3361US7607396B2Container car side sillsGUNDERSON LLC·Filed 2007·Granted Oct 27, 2009·3 cites·12 claims
- 3461US2025346262A1Railroad car having interconnected roof panelsGUNDERSON LLC·Filed 2024·Application pending·0 cites
- 3560US11117598B2Auto-rack railroad carGUNDERSON LLC·Filed 2019·Granted Sep 14, 2021·0 cites·25 claims
- 3659US2026028053A1Hopper railroad car having multi-level running boardsGUNDERSON LLC·Filed 2024·Application pending·0 cites
- 3758US2024367698A1Railroad carGUNDERSON LLC·Filed 2023·Application pending·0 cites
- 3857US12409872B1Coupler cross keysGUNDERSON LLC·Filed 2022·Granted Sep 9, 2025·0 cites·13 claims
- 3956US12005937B2Configurable railroad carGUNDERSON LLC·Filed 2021·Granted Jun 11, 2024·0 cites·17 claims
- 4056US2024425090A1Tanker railroad car having non-contact volume sensing assemblyGUNDERSON LLC·Filed 2024·Application pending·0 cites
- 4155US12509129B2Large plate tilt railroad carGUNDERSON LLC·Filed 2022·Granted Dec 30, 2025·0 cites·19 claims
- 4255US10871012B2End door latch arrangement for railroad carGUNDERSON LLC·Filed 2018·Granted Dec 22, 2020·1 cites·20 claims
- 4354US12168466B2Open top gondola railcarsGUNDERSON LLC·Filed 2021·Granted Dec 17, 2024·0 cites·12 claims
- 4454US11820407B2Covered hopper carGUNDERSON LLC·Filed 2020·Granted Nov 21, 2023·0 cites·18 claims
- 4554US2023339522A1Large plate tilt railroad carGUNDERSON LLC·Filed 2023·Application pending·0 cites
- 4654US2015284012A1Railroad Car for Carrying Motor VehiclesGUNDERSON LLC·Filed 2015·Application pending·0 cites
- 4753US7743715B2Air flow direction in a temperature controlled railroad freight carGUNDERSON LLC·Filed 2004·Granted Jun 29, 2010·6 cites·7 claims
- 4853US2025289483A1Door assemblies for railroad carsGUNDERSON LLC·Filed 2025·Application pending·0 cites
- 4952US9376124B2Protective structure for tank top fittingsGUNDERSON LLC·Filed 2015·Granted Jun 28, 2016·0 cites·10 claims
- 5051US7363872B1Method and apparatus for use in assembly of hydrofoil skegGUNDERSON LLC·Filed 2006·Granted Apr 29, 2008·4 cites·19 claims
Showing the top 50 of 62 patent records by PatentIndex Score.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →