Inventor · disambiguated record

Jakob Wollenhaupt

Also filed as: WOLLENHAUPT JAKOB

2 granted patents·73 citations·filing 1985–1990

66Inventor score

Technology areasE05B F16P

Files withLETZEL HELMUT2

Top patents by PatentIndex Score

2 records

0177US4659884ASafety interlock switching device for protecting equipmentLETZEL HELMUT·Filed 1985·Granted Apr 21, 1987·43 cites·11 claims
0253USRE34396ESafety interlock switching device for protecting equipmentLETZEL HELMUT·Filed 1990·Granted Oct 5, 1993·30 cites·11 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →