Assignee
THRALL CAR MANUFACTURING CO
US·4 granted patents·160 citations·filing 1986–1988
Top patents by PatentIndex Score
4 records- 0190US4829908AHopper car automatic discharge door mechanism with operating lever adjustable supportTHRALL CAR MANUFACTURING CO·Filed 1988·Granted May 16, 1989·66 cites·24 claims
- 0283US4862810ARailroad car for container transportTHRALL CAR MANUFACTURING CO·Filed 1988·Granted Sep 5, 1989·47 cites·20 claims
- 0375US4718353AContainer carrying railroad car with walkways for access to containersTHRALL CAR MANUFACTURING CO·Filed 1986·Granted Jan 12, 1988·34 cites·12 claims
- 0452US4730562AVehicle transporting railroad car with brace baysTHRALL CAR MANUFACTURING CO·Filed 1986·Granted Mar 15, 1988·13 cites·5 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →