Inventor · disambiguated record
Derek J. Martin
Also filed as: MARTIN DEREK · MARTIN DEREK J · MARTIN DEREK JOHN
2 granted patents·2 pending applications·91 citations·filing 1974–2014
67Inventor score
Top patents by PatentIndex Score
4 records- 0193US4531617AOverspeed safety braking deviceWICKHAM AND COMPANY LIMITED D·Filed 1983·Granted Jul 30, 1985·70 cites·27 claims
- 0264US3967703AEmergency brake for rack and pinion hoistWICKHAM AND COMPANY LIMITED D·Filed 1974·Granted Jul 6, 1976·21 cites·7 claims
- 0342US2015137508A1Sealing Sleeve for Slip JointINTERFACE SOLUTIONS INC·Filed 2014·Application pending·0 cites
- 0437US2011031704A1Segmented GasketsLEHR BRIAN C·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →