Inventor · disambiguated record
David A. Pierman
Also filed as: PIERMAN DAVID A
3 granted patents·28 citations·filing 1987–2010
65Inventor score
Top patents by PatentIndex Score
3 records- 0170US4857395AGraphite composites and process for the manufacture thereofSTANDARD OIL CO OHIO·Filed 1987·Granted Aug 15, 1989·23 cites·18 claims
- 0235US8727627B2Apparatus and method for controlled release of lubricant additives in bearing and gear assembliesEVANS RYAN D·Filed 2010·Granted May 20, 2014·0 cites·17 claims
- 0335US4923578AGraphite composites and process for the manufacture thereofSTANDARD OIL CO OHIO·Filed 1989·Granted May 8, 1990·5 cites·23 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →