Inventor · disambiguated record
James C. Heap
Also filed as: HEAP JAMES C
3 granted patents·115 citations·filing 1974–1977
75Inventor score
Files withTHRALL CAR MFG CO3
Top patents by PatentIndex Score
3 records- 0189US4254714ADual bottom trough gondola railway carTHRALL CAR MFG CO·Filed 1977·Granted Mar 10, 1981·62 cites·9 claims
- 0277US4408542ACenter sill gondola carTHRALL CAR MFG CO·Filed 1977·Granted Oct 11, 1983·31 cites·9 claims
- 0368US3954066ADraft sill arrangement for flat carTHRALL CAR MFG CO·Filed 1974·Granted May 4, 1976·22 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →