Inventor · disambiguated record
David A. Porteous
Also filed as: PORTEOUS DAVID A
2 granted patents·43 citations·filing 1980–1995
63Inventor score
Top patents by PatentIndex Score
2 records- 0175US4319671AHydro-pneumatic brake actuator arranged to maintain a constant brake shoe clearanceWABCO LTD·Filed 1980·Granted Mar 16, 1982·23 cites·10 claims
- 0263US5559281ATest connector for accessing compressed air at test ports of a railroad brake control valveWESTINGHOUSE AIR BRAKE CO·Filed 1995·Granted Sep 24, 1996·20 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →