Inventor · disambiguated record
Michael Leffer
Also filed as: LEFFER MICHAEL
2 granted patents·27 citations·filing 1994–2014
54Inventor score
Top patents by PatentIndex Score
2 records- 0153US5707182AProcess and a device for exactly holding the vertical excavating direction of a diaphragm wallSTAHLUND APPARATEBAU HANS LEFF·Filed 1994·Granted Jan 13, 1998·27 cites·9 claims
- 0235US10113619B2Locking device and locking method for the tool holder of a drilling systemSTAHL UND APPBAU HANS LEFFER GMBH & CO KG·Filed 2014·Granted Oct 30, 2018·0 cites·22 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →