Inventor · disambiguated record
Daniel T. Marshall
Also filed as: MARSHALL DANIEL T
4 granted patents·0 citations·filing 2020–2022
52Inventor score
Files withHERZOG RAILROAD SERVICES INC4
Top patents by PatentIndex Score
4 records- 0156US12435475B2Rail tie distribution systemHERZOG RAILROAD SERVICES INC·Filed 2022·Granted Oct 7, 2025·0 cites·24 claims
- 0250US12473696B2Rail tie distribution control systemHERZOG RAILROAD SERVICES INC·Filed 2022·Granted Nov 18, 2025·0 cites·21 claims
- 0349US11548537B2Centering apparatus for hopper car doorsHERZOG RAILROAD SERVICES INC·Filed 2020·Granted Jan 10, 2023·0 cites·10 claims
- 0448US11408131B2Track-lifting and ballast-spreading apparatusHERZOG RAILROAD SERVICES INC·Filed 2020·Granted Aug 9, 2022·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →