Inventor · disambiguated record
Gerd Ehrich
Also filed as: EHRICH GERD
3 granted patents·1 pending application·96 citations·filing 1983–2001
73Inventor score
Top patents by PatentIndex Score
4 records- 0185US4499960AMethod for measuring the weight of bulk goods loaded by a hydraulic excavatorMANNESMANN AG·Filed 1983·Granted Feb 19, 1985·55 cites·4 claims
- 0275US4833798AHydraulic control for earth working machinesMANNESMANN AG·Filed 1988·Granted May 30, 1989·38 cites·1 claims
- 0343US6314726B1Apparatus and method for driving a hydraulic system of a construction machine, in particular a hydraulic excavatorKOMATSU MINING GERMANY GMBH·Filed 2000·Granted Nov 13, 2001·3 cites·5 claims
- 0433US2002069561A1Drive system for a hydraulic excavatorKOMATSU MINING GERMANY GMBH·Filed 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →