Inventor · disambiguated record
Helmut Liebl
Also filed as: LIEBL HELMUT
7 granted patents·184 citations·filing 1974–1990
86Inventor score
Top patents by PatentIndex Score
7 records- 0195US4255661AElectrostatic emission lensMAX PLANCK GESELLSCHAFT·Filed 1979·Granted Mar 10, 1981·85 cites·10 claims
- 0282US4551599ACombined electrostatic objective and emission lensMAX PLANCK GESELLSCHAFT·Filed 1983·Granted Nov 5, 1985·26 cites·6 claims
- 0371US4978855AElectron microscope for investigation of surfaces of solid bodiesMAX PLANCK GESELLSCHAFT·Filed 1990·Granted Dec 18, 1990·33 cites·16 claims
- 0464US4030573AApparatus driven by an electric motorPHILIPS CORP·Filed 1976·Granted Jun 21, 1977·27 cites·9 claims
- 0560US3935453AQuadrupole field mass analyserMAX PLANCK GESELLSCHAFT·Filed 1974·Granted Jan 27, 1976·8 cites·9 claims
- 0639US4246481AContact ionization apparatusMAX PLANCK GESELLSCHAFT·Filed 1979·Granted Jan 20, 1981·3 cites·18 claims
- 0732US4843239ACompact double focussing mass spectrometerMAX PLANCK GESELLSCHAFT·Filed 1987·Granted Jun 27, 1989·2 cites·9 claims
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