Inventor · disambiguated record
David A. Trevas
Also filed as: TREVAS DAVID · TREVAS DAVID A · TREVAS DAVID ALEXANDER
4 granted patents·1 pending application·49 citations·filing 2003–2025
74Inventor score
Top patents by PatentIndex Score
5 records- 0191US9095790B2High velocity electrostatic coalescing oil/water separatorSAMS GARY W·Filed 2012·Granted Aug 4, 2015·21 cites·9 claims
- 0261US2025249314A1Variable resistance apparatus and related equipment and methodsTREVAS DAVID A·Filed 2025·Application pending·0 cites
- 0359US8353497B2Variable radius annular and ram packing unit and methodHYDRIL USA MFG LLC·Filed 2008·Granted Jan 15, 2013·8 cites·14 claims
- 0455US12311231B2Variable resistance apparatus and related equipment and methodsTREVAS DAVID A·Filed 2023·Granted May 27, 2025·0 cites·9 claims
- 0553US7096980B2Rotary impact well drilling system and methodHALLIBURTON ENERGY SERV INC·Filed 2003·Granted Aug 29, 2006·20 cites·31 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →