Inventor · disambiguated record
Stephen M. Zeld
Also filed as: ZELD STEPHEN M
3 granted patents·1 pending application·61 citations·filing 1993–2014
73Inventor score
Top patents by PatentIndex Score
4 records- 0178US5649574AEngine coolant removal and refill method and deviceASHLAND INC·Filed 1996·Granted Jul 22, 1997·32 cites·15 claims
- 0257US5511590AEngine coolant removal and refill method and deviceBASF CORP·Filed 1993·Granted Apr 30, 1996·17 cites·8 claims
- 0350US2014338253A1Fuel additive compositionBASF SE·Filed 2014·Application pending·0 cites
- 0445US5673733AEngine coolant removal and refill method and deviceASHLAND INC·Filed 1994·Granted Oct 7, 1997·12 cites·22 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →