Inventor · disambiguated record
Franz Chromy
Also filed as: CHROMY FRANZ
8 granted patents·1 pending application·159 citations·filing 1974–2001
88Inventor score
Files withHILTI AG8
Top patents by PatentIndex Score
9 records- 0181US4222443AMotor-driven hammer drillHILTI AG·Filed 1979·Granted Sep 16, 1980·32 cites·8 claims
- 0277US4611670AMotor driven drilling or chipping deviceHILTI AG·Filed 1984·Granted Sep 16, 1986·37 cites·3 claims
- 0375US4064949AElectropneumatic hammerHILTI AG·Filed 1976·Granted Dec 27, 1977·26 cites·12 claims
- 0471US4051990ADevice for securing an expansion anchorHILTI AG·Filed 1975·Granted Oct 4, 1977·24 cites·12 claims
- 0557US4366869AHammer drillHILTI AG·Filed 1980·Granted Jan 4, 1983·15 cites·7 claims
- 0649US4732219AHammer drill with pneumatically driven percussion pistonHILTI AG·Filed 1986·Granted Mar 22, 1988·12 cites·7 claims
- 0740US2003185932A1Injection screw drive of a plastic injection molding machineFiled 2001·Application pending·0 cites
- 0838US3996835AExpansion anchorHILTI AG·Filed 1975·Granted Dec 14, 1976·8 cites·12 claims
- 0937US3951034AStraddling dowelHILTI AG·Filed 1974·Granted Apr 20, 1976·5 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →