Inventor · disambiguated record
William B. Jeffrey
Also filed as: JEFFREY WILLIAM B
3 granted patents·30 citations·filing 1975–1976
65Inventor score
Files withWESTINGHOUSE AIR BRAKE CO3
Top patents by PatentIndex Score
3 records- 0176US3992062ACombination fluid pressure and electric trip cock emergency brake apparatus for railway vehiclesWESTINGHOUSE AIR BRAKE CO·Filed 1975·Granted Nov 16, 1976·20 cites·6 claims
- 0244US4049128AControl system for automatic railway car couplerWESTINGHOUSE AIR BRAKE CO·Filed 1976·Granted Sep 20, 1977·10 cites·8 claims
- 0323US4004697AVisual coupling indicator for automatic railway car couplersWESTINGHOUSE AIR BRAKE CO·Filed 1976·Granted Jan 25, 1977·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →