Assignee
THRALL CAR MFG CO
US·60 granted patents·2 pending applications·2,035 citations·filing 1974–2002
Top patents by PatentIndex Score
62 records- 0192US4836726AVehicle wheel chock for securing vehicles during transportTHRALL CAR MFG CO·Filed 1988·Granted Jun 6, 1989·69 cites·18 claims
- 0292US4766820AHopper car with automatic discharge door mechanismTHRALL CAR MFG CO·Filed 1987·Granted Aug 30, 1988·69 cites·15 claims
- 0391US4901649ASpan bolster assemblyTHRALL CAR MFG CO·Filed 1988·Granted Feb 20, 1990·108 cites·35 claims
- 0490US4838743AVehicle cantilever chock block apparatus for railroad car transport of vehiclesTHRALL CAR MFG CO·Filed 1988·Granted Jun 13, 1989·68 cites·26 claims
- 0590US4668140ARailroad car with chock block apparatus for securing transported vehiclesTHRALL CAR MFG CO·Filed 1985·Granted May 26, 1987·64 cites·23 claims
- 0690US4543887ACenter beam railroad freight carTHRALL CAR MFG CO·Filed 1984·Granted Oct 1, 1985·57 cites·8 claims
- 0789US4254714ADual bottom trough gondola railway carTHRALL CAR MFG CO·Filed 1977·Granted Mar 10, 1981·62 cites·9 claims
- 0888US4930427ARailroad gondola or hopper car, particularly a coal carTHRALL CAR MFG CO·Filed 1988·Granted Jun 5, 1990·64 cites·26 claims
- 0988US4771706AContainer carrying railroad car with support castingsTHRALL CAR MFG CO·Filed 1986·Granted Sep 20, 1988·61 cites·8 claims
- 1087US4679974AVehicle chock block apparatus for railroad car transport of vehiclesTHRALL CAR MFG CO·Filed 1985·Granted Jul 14, 1987·56 cites·12 claims
- 1186US5765486AAuto rack railway carTHRALL CAR MFG CO·Filed 1995·Granted Jun 16, 1998·51 cites·16 claims
- 1286US4884511AAluminum hopper car with cast collars interconnecting intersecting center sill hood with ridge hood and sloped end wallsTHRALL CAR MFG CO·Filed 1988·Granted Dec 5, 1989·50 cites·10 claims
- 1386US4674929ARailroad car with chock block apparatus for securing vehicles being transportedTHRALL CAR MFG CO·Filed 1985·Granted Jun 23, 1987·53 cites·17 claims
- 1485US5170717ARailroad cars for transporting cylindrical objects transversely with multi-piece movable cover for exposing entire cargo areaTHRALL CAR MFG CO·Filed 1991·Granted Dec 15, 1992·57 cites·20 claims
- 1585US4911082ADrop center gondola carTHRALL CAR MFG CO·Filed 1989·Granted Mar 27, 1990·46 cites·9 claims
- 1685US4889055ARailroad car for container transportTHRALL CAR MFG CO·Filed 1989·Granted Dec 26, 1989·49 cites·3 claims
- 1785US4813359ASingle axle railroad truck with frame improvementsTHRALL CAR MFG CO·Filed 1987·Granted Mar 21, 1989·45 cites·7 claims
- 1884US4841876ARailroad container transporting car of increased weight carrying capacityTHRALL CAR MFG CO·Filed 1988·Granted Jun 27, 1989·49 cites·36 claims
- 1984US4807722ARailroad car for container transportTHRALL CAR MFG CO·Filed 1987·Granted Feb 28, 1989·47 cites·22 claims
- 2083US4759669AVehicle transporting railroad car with hinged deck section lockTHRALL CAR MFG CO·Filed 1986·Granted Jul 26, 1988·43 cites·8 claims
- 2182US6244801B1Motor-vehicle carrying railcar with offset H-frameTHRALL CAR MFG CO·Filed 2000·Granted Jun 12, 2001·30 cites·20 claims
- 2282US5657698APivot plate assembly for articulated railway carsTHRALL CAR MFG CO·Filed 1995·Granted Aug 19, 1997·46 cites·20 claims
- 2382US4754709ARailroad car for containers having guides for the containersTHRALL CAR MFG CO·Filed 1986·Granted Jul 5, 1988·51 cites·3 claims
- 2481US4876968AContainer carrying railroad car with improved support systemTHRALL CAR MFG CO·Filed 1988·Granted Oct 31, 1989·42 cites·6 claims
- 2579US5782187APivot plate assembly for articulated railway carsTHRALL CAR MFG CO·Filed 1997·Granted Jul 21, 1998·37 cites·8 claims
- 2679US4924779ALong-travel side bearing for an articulated railroad carTHRALL CAR MFG CO·Filed 1989·Granted May 15, 1990·35 cites·13 claims
- 2779US4843974AHopper car with automatic discharge door mechanismTHRALL CAR MFG CO·Filed 1988·Granted Jul 4, 1989·37 cites·14 claims
- 2877US4753175ALightweight center beam railroad carTHRALL CAR MFG CO·Filed 1987·Granted Jun 28, 1988·34 cites·11 claims
- 2977US4408542ACenter sill gondola carTHRALL CAR MFG CO·Filed 1977·Granted Oct 11, 1983·31 cites·9 claims
- 3075US4784067ALightweight center beam railroad carTHRALL CAR MFG CO·Filed 1987·Granted Nov 15, 1988·32 cites·7 claims
- 3174US4681041ALightweight center beam railroad carTHRALL CAR MFG CO·Filed 1985·Granted Jul 21, 1987·31 cites·9 claims
- 3273US4793449ARailraod truck braking systemTHRALL CAR MFG CO·Filed 1987·Granted Dec 27, 1988·30 cites·10 claims
- 3372US5088417ALight weight center beam railroad cars with pinned connectionsTHRALL CAR MFG CO·Filed 1990·Granted Feb 18, 1992·35 cites·2 claims
- 3470US6273004B1Motor-vehicle carrying railcar with improved sidewall structureTHRALL CAR MFG CO·Filed 1999·Granted Aug 14, 2001·26 cites·20 claims
- 3570US4909157AContainer carrying railroad car with improved support systemTHRALL CAR MFG CO·Filed 1988·Granted Mar 20, 1990·26 cites·33 claims
- 3669US4936227AEnd door for rail carTHRALL CAR MFG CO·Filed 1988·Granted Jun 26, 1990·28 cites·3 claims
- 3768US3954066ADraft sill arrangement for flat carTHRALL CAR MFG CO·Filed 1974·Granted May 4, 1976·22 cites·8 claims
- 3866US5452664AArticulated, low level railroad spine car with overlapping kingpin connectorsTHRALL CAR MFG CO·Filed 1994·Granted Sep 26, 1995·24 cites·8 claims
- 3966US5036774ALong-travel side bearing for an articulated railroad carTHRALL CAR MFG CO·Filed 1990·Granted Aug 6, 1991·25 cites·9 claims
- 4066US4898101AVehicle hopper body with internal reinforcing membersTHRALL CAR MFG CO·Filed 1988·Granted Feb 6, 1990·33 cites·5 claims
- 4165US4759294ARailroad car with double stack container restraint systemTHRALL CAR MFG CO·Filed 1987·Granted Jul 26, 1988·22 cites·8 claims
- 4264US4826259ARailroad car with brake system which applies less braking when empty than when loadedTHRALL CAR MFG CO·Filed 1988·Granted May 2, 1989·14 cites·10 claims
- 4363US4773335ATrain of highway trailers using improved railroad truck suspensionTHRALL CAR MFG CO·Filed 1986·Granted Sep 27, 1988·21 cites·42 claims
- 4462US6216603B1Vented hatch coamingTHRALL CAR MFG CO·Filed 2000·Granted Apr 17, 2001·9 cites·14 claims
- 4562US4677918ARailroad car with retractable closure track held down by bridge plateTHRALL CAR MFG CO·Filed 1985·Granted Jul 7, 1987·20 cites·16 claims
- 4661US4667604AAutorack railroad car improved bridge plate support structureTHRALL CAR MFG CO·Filed 1985·Granted May 26, 1987·18 cites·3 claims
- 4756US6749380B2Mechanism to facilitate raising and lowering hinged end section of deckTHRALL CAR MFG CO·Filed 2002·Granted Jun 15, 2004·5 cites·9 claims
- 4849US6289822B1Auto rack railway carTHRALL CAR MFG CO·Filed 1998·Granted Sep 18, 2001·11 cites·7 claims
- 4949US4594948ALiquid and solid dual lading railroad carTHRALL CAR MFG CO·Filed 1984·Granted Jun 17, 1986·10 cites·3 claims
- 5044US6339994B1Railcar with trackless support for radial end doorTHRALL CAR MFG CO·Filed 2000·Granted Jan 22, 2002·3 cites·16 claims
Showing the top 50 of 62 patent records by PatentIndex Score.
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