Inventor · disambiguated record
Keith W. Langley
Also filed as: LANGLEY KEITH W · LANGLEY KEITH WILLIAM
6 granted patents·82 citations·filing 1976–1995
81Inventor score
Files withWESTINGHOUSE BRAKE & SIGNAL6
Top patents by PatentIndex Score
6 records- 0177US5845579AMovable thresholds and railway platform barrier doorsWESTINGHOUSE BRAKE & SIGNAL·Filed 1995·Granted Dec 8, 1998·49 cites·11 claims
- 0276US4498711APneumatic control for braking system providing snow brake operationWESTINGHOUSE BRAKE & SIGNAL·Filed 1982·Granted Feb 12, 1985·19 cites·10 claims
- 0342US4080876ASpring-force applying meansWESTINGHOUSE BRAKE & SIGNAL·Filed 1976·Granted Mar 28, 1978·6 cites·5 claims
- 0437US4895228ASlack adjusterWESTINGHOUSE BRAKE & SIGNAL·Filed 1989·Granted Jan 23, 1990·6 cites·7 claims
- 0528US4909360ABrake equipmentWESTINGHOUSE BRAKE & SIGNAL·Filed 1989·Granted Mar 20, 1990·2 cites·2 claims
- 0628US4875559ATread brake unitWESTINGHOUSE BRAKE & SIGNAL·Filed 1989·Granted Oct 24, 1989·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →