Inventor · disambiguated record
Willard L. Geiger
Also filed as: GEIGER WILLARD L
4 granted patents·107 citations·filing 1975–1979
79Inventor score
Technology areasB61L
Top patents by PatentIndex Score
4 records- 0182US3974991ARailroad motion detecting and signalling system with repeater receiverERICO RAIL PROD CO·Filed 1975·Granted Aug 17, 1976·40 cites·18 claims
- 0277US4365777ATrain approach detectorMODERN IND SIGNAL EQUIPMENT IN·Filed 1979·Granted Dec 28, 1982·33 cites·88 claims
- 0375US3987989ARailway signal systemERICO RAIL PROD CO·Filed 1975·Granted Oct 26, 1976·30 cites·56 claims
- 0434US4026505AVariable high pass couplerHARMON INDUSTRIES·Filed 1976·Granted May 31, 1977·4 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →