Inventor · disambiguated record
Manfred Spieth
Also filed as: SPIETH MANFRED
5 granted patents·232 citations·filing 1982–1992
84Inventor score
Files withHILTI AG5
Top patents by PatentIndex Score
5 records- 0197US4491444ATool holder deviceHILTI AG·Filed 1982·Granted Jan 1, 1985·77 cites·14 claims
- 0290US4434859AHammer drill for performing rotary drilling or percussive drillingHILTI AG·Filed 1982·Granted Mar 6, 1984·61 cites·9 claims
- 0389US4655464ADrill chuck for a hand-held deviceHILTI AG·Filed 1985·Granted Apr 7, 1987·60 cites·10 claims
- 0454US4652187AClamping chuck for holding drilling and/or cutting toolsHILTI AG·Filed 1985·Granted Mar 24, 1987·14 cites·13 claims
- 0546US5296314AContact terminal arrangement in a storage batteryHILTI AG·Filed 1992·Granted Mar 22, 1994·20 cites·6 claims
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