Inventor · disambiguated record
Bernard Piras
Also filed as: PIRAS BERNARD
9 granted patents·1 pending application·140 citations·filing 1988–2017
88Inventor score
Top patents by PatentIndex Score
10 records- 0187US5392865AHydraulic percussion apparatusMONTABERT ETS·Filed 1992·Granted Feb 28, 1995·66 cites·11 claims
- 0271US8151900B2Percussion equipment driven by a pressurized incompressible fluidPIRAS BERNARD·Filed 2007·Granted Apr 10, 2012·12 cites·11 claims
- 0368US10974379B2Rock breaking deviceMONTABERT ROGER·Filed 2016·Granted Apr 13, 2021·2 cites·11 claims
- 0467US10926394B2Hydraulic percussion deviceMONTABERT ROGER·Filed 2016·Granted Feb 23, 2021·1 cites·9 claims
- 0565US5388842ADevice for holding the tool of a hydraulic rock breakerMONTABERT ETS·Filed 1993·Granted Feb 14, 1995·25 cites·8 claims
- 0665US4858702AHydraulic distributor for percussion apparatus driven by an incompressible fluid under pressureMONTABERT ETS·Filed 1988·Granted Aug 22, 1989·23 cites·16 claims
- 0755US8167055B2Percussion device actuated by a pressurized non-compressible fluidPIRAS BERNARD·Filed 2008·Granted May 1, 2012·3 cites·7 claims
- 0848US2019351538A1Percussion apparatusMONTABERT ROGER·Filed 2017·Application pending·0 cites
- 0945US6901842B2Percussion hydraulic apparatusMONTABERT ETS·Filed 2001·Granted Jun 7, 2005·5 cites·10 claims
- 1044US6829975B2Hydraulic percussion apparatusMONTABERT ETS·Filed 2001·Granted Dec 14, 2004·3 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →