Inventor · disambiguated record
Ralf Eck
Also filed as: ECK RALF
9 granted patents·484 citations·filing 1986–1995
91Inventor score
Files withSCHWARZKOPF DEV CO3BOSCH GMBH ROBERT2HOESCH STAHL AG1SCHWARZKOPF TECHNOLOGIES CORP1SIEMENS AG1
Top patents by PatentIndex Score
9 records- 0194US4950327ACreep-resistant alloy of high-melting metal and process for producing the sameSCHWARZKOPF DEV CO·Filed 1988·Granted Aug 21, 1990·57 cites·7 claims
- 0293US5239700AMulti-choice information system for a motor vehicleBOSCH GMBH ROBERT·Filed 1991·Granted Aug 24, 1993·188 cites·9 claims
- 0393US5086510AMulti-choice information system for a motor vehicleBOSCH GMBH ROBERT·Filed 1989·Granted Feb 4, 1992·131 cites·5 claims
- 0477US5021627AElectrode for resistance welding surface-treated sheets of steel and method of manufacturing such electrodesHOESCH STAHL AG·Filed 1990·Granted Jun 4, 1991·37 cites·14 claims
- 0570US5051139AProcess for the manufacture of semi-finished products or preformed parts made of refractory metals and resistant to thermal creepSCHWARZKOPF DEV CO·Filed 1990·Granted Sep 24, 1991·20 cites·12 claims
- 0660US5407758AMaterial for the metal components of high-temperature fuel cell systemsSIEMENS AG·Filed 1993·Granted Apr 18, 1995·29 cites·8 claims
- 0753US5608174AChromium-based alloyFiled 1995·Granted Mar 4, 1997·13 cites·11 claims
- 0846US5102474AProcess for manufacturing semi-finished products from sintered refractory metal alloysSCHWARZKOPF TECHNOLOGIES CORP·Filed 1990·Granted Apr 7, 1992·6 cites·6 claims
- 0938US4780902ARotary anode for X-ray tubesSCHWARZKOPF DEV CO·Filed 1986·Granted Oct 25, 1988·3 cites·3 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →