Inventor · disambiguated record
Stefan Frei
Also filed as: FREI STEFAN
8 granted patents·3 pending applications·16 citations·filing 2008–2022
78Inventor score
Top patents by PatentIndex Score
11 records- 0182US11506267B2Ball screw driveSFS INTEC HOLDING AG·Filed 2019·Granted Nov 22, 2022·4 cites·6 claims
- 0282US9665721B2Threat and defense evasion modeling system and methodNSS LABS INC·Filed 2015·Granted May 30, 2017·9 cites·25 claims
- 0364US10883580B2Ball screw driveSFS INTEC HOLDING AG·Filed 2017·Granted Jan 5, 2021·1 cites·4 claims
- 0453US11473657B2Ball screw, spindle nut and method for producing a spindle nutSFS INTEC HOLDING AG·Filed 2021·Granted Oct 18, 2022·0 cites·14 claims
- 0552US11572937B2Ball deflector for a ball screwSFS INTEC HOLDING AG·Filed 2018·Granted Feb 7, 2023·0 cites·15 claims
- 0652US10948057B2Ball screw drive with force transmission element and imbalance compensationSFS INTEC HOLDING AG·Filed 2019·Granted Mar 16, 2021·0 cites·7 claims
- 0747US8294906B2Measuring head system for a coordinate measuring machine and method for optically measuring of displacements of a probe elementSIERCKS KNUT·Filed 2008·Granted Oct 23, 2012·2 cites·27 claims
- 0842US2017329975A1Threat and defense evasion modeling system and methodNSS LABS INC·Filed 2017·Application pending·0 cites
- 0940US2023003270A1Operating unit for an electric parking brakeSFS Group International AG·Filed 2020·Application pending·0 cites
- 1038US11592089B2Ball screw and spindle nut thereforSFS INTEC HOLDING AG·Filed 2021·Granted Feb 28, 2023·0 cites·8 claims
- 1133US2022356934A1Tolerance ring with stopSFS Group International AG·Filed 2022·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →