Assignee
JAC OPERATIONS INC
US·22 granted patents·9 pending applications·57 citations·filing 2014–2025
Top patents by PatentIndex Score
31 records- 0190US11945476B2Railcar cold formed center sill with stiffness enhancing structureJAC OPERATIONS INC·Filed 2022·Granted Apr 2, 2024·2 cites·13 claims
- 0290US10315667B2Railroad coil car floating floor sheetJAC OPERATIONS INC·Filed 2017·Granted Jun 11, 2019·7 cites·18 claims
- 0390US9862393B2Open top hopper railcar with biased door seal and enlarged contoured end doorJAC OPERATIONS INC·Filed 2015·Granted Jan 9, 2018·5 cites·20 claims
- 0487US10300931B2Multi-unit intermodal railroad well car with safety platform and handbrakeJAC OPERATIONS INC·Filed 2016·Granted May 28, 2019·5 cites·10 claims
- 0586US9387864B2Transverse trough coil car with modular trough forming assemblies and method of forming sameJAC OPERATIONS INC·Filed 2014·Granted Jul 12, 2016·13 cites·20 claims
- 0685US11338831B2Railcar having cold formed center sill with stiffness enhancing structureJAC OPERATIONS INC·Filed 2019·Granted May 24, 2022·4 cites·13 claims
- 0785US10017191B2Gondola car clean-out doorJAC OPERATIONS INC·Filed 2016·Granted Jul 10, 2018·7 cites·20 claims
- 0883US9096238B2Open top hopper railcar with biased door seal and enlarged contoured end doorJAC OPERATIONS INC·Filed 2014·Granted Aug 4, 2015·5 cites·19 claims
- 0982US12528521B2Railcar gate adaptor and railcar modification using the sameJAC OPERATIONS INC·Filed 2022·Granted Jan 20, 2026·1 cites·15 claims
- 1082US2026054753A1Cast components for cold formed center sill rail car modification programsJAC OPERATIONS INC·Filed 2025·Application pending·0 cites
- 1179US12570333B2Covered hopper railcarJAC OPERATIONS INC·Filed 2022·Granted Mar 10, 2026·1 cites·17 claims
- 1275US10737705B2Reinforced railcar side stakeJAC OPERATIONS INC·Filed 2017·Granted Aug 11, 2020·3 cites·14 claims
- 1375US2024391507A1Open top gondola railcarJAC OPERATIONS INC·Filed 2024·Application pending·0 cites
- 1473US11958509B2Hopper railcar with door deflector for transverse pivoted outlet gate, door deflector and method of retrofitting hopper railcar to include door deflector for transverse pivoted outlet gateJAC OPERATIONS INC·Filed 2023·Granted Apr 16, 2024·0 cites·20 claims
- 1572US10710612B2Gondola car clean-out doorJAC OPERATIONS INC·Filed 2018·Granted Jul 14, 2020·2 cites·17 claims
- 1672US10589757B2Coil railcar with floating floor sheetJAC OPERATIONS INC·Filed 2019·Granted Mar 17, 2020·1 cites·20 claims
- 1771US11577762B2Open top hopper railcar with lading shedding top chord and corner cap and integrated door operating controls with manual overrideJAC OPERATIONS INC·Filed 2020·Granted Feb 14, 2023·0 cites·20 claims
- 1868US10486719B2Railroad coupler knuckle with external weight reducing features and method of forming the sameJAC OPERATIONS INC·Filed 2017·Granted Nov 26, 2019·1 cites·20 claims
- 1961US12054183B2Open top gondola railcarJAC OPERATIONS INC·Filed 2020·Granted Aug 6, 2024·0 cites·8 claims
- 2060US2020298895A1Hopper railcar with door deflector for transverse pivoted outlet gate, door deflector and method of retrofitting hopper railcar to include door deflector for transverse pivoted outlet gateJAC OPERATIONS INC·Filed 2020·Application pending·0 cites
- 2159US12459549B2Method and cast components for cold formed center sill rail car modification programs and railcars formed therebyJAC OPERATIONS INC·Filed 2020·Granted Nov 4, 2025·0 cites·15 claims
- 2259US11702115B2Reinforced railcar side stakeJAC OPERATIONS INC·Filed 2020·Granted Jul 18, 2023·0 cites·9 claims
- 2359US11492023B2Transverse trough coil car and slab car with integral adjustable lateral coil stops, vertical trough height adjustment and width adjustable fixed stanchionsJAC OPERATIONS INC·Filed 2019·Granted Nov 8, 2022·0 cites·19 claims
- 2459US10336347B2Railroad well car with open truss sidesJAC OPERATIONS INC·Filed 2014·Granted Jul 2, 2019·0 cites·20 claims
- 2559US2018001905A1Open Top Hopper Railcar with Lading Shedding Top Chord and Corner Cap and Door Operating Controls with Manual OverideJAC OPERATIONS INC·Filed 2017·Application pending·0 cites
- 2658US2024140496A1Method of modifying aluminum body railcars, modified railcars formed thereby and aluminum top cord splice coupling used thereinJAC OPERATIONS INC·Filed 2023·Application pending·0 cites
- 2758US2024140497A1Method of repurposing small cube covered hopper railcars and modified railcars formed therebyJAC OPERATIONS INC·Filed 2023·Application pending·0 cites
- 2857US2023399031A1Rail car modularized modification programs altering the nature of the center sill in the modified railcar and the modified railcars formed therebyJAC OPERATIONS INC·Filed 2023·Application pending·0 cites
- 2956US2023391379A1Sand rail car modularized lengthening modification programs and railcars formed therebyJAC OPERATIONS INC·Filed 2023·Application pending·0 cites
- 3052US11554797B2Handheld solenoid activation remote for a railroad car doorJAC OPERATIONS INC·Filed 2019·Granted Jan 17, 2023·0 cites·18 claims
- 3150US2022371633A1Railroad Coupler Knuckle with External Weight Reducing FeaturesJAC OPERATIONS INC·Filed 2022·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →