Inventor · disambiguated record
Derek G. Petch
Also filed as: PETCH DEREK · PETCH DEREK G
2 granted patents·1 pending application·42 citations·filing 1999–2012
63Inventor score
Top patents by PatentIndex Score
3 records- 0166US6149570ASelf-retaining rotor lidBECKMAN COULTER INC·Filed 1999·Granted Nov 21, 2000·31 cites·16 claims
- 0244US6183408B1Rotor shaft assembly having non-linear stiffnessBECKMAN COULTER INC·Filed 1999·Granted Feb 6, 2001·11 cites·11 claims
- 0343US2014152136A1Devices and methods for magnetic pole retention in electromagnetic machinesBOULDER WIND POWER INC·Filed 2012·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →