Inventor · disambiguated record
Gerhard Diefenbach
Also filed as: DIEFENBACH GERHARD
12 granted patents·2 pending applications·98 citations·filing 1979–2009
90Inventor score
Top patents by PatentIndex Score
14 records- 0177US6121717ADriving device for at least two rotation elements, which device comprises at least one piezoelectric driving elementPHILIPS CORP·Filed 1998·Granted Sep 19, 2000·35 cites·18 claims
- 0254US4329781AShaving apparatus having a shear plate with hair-entry apertures and a cutting unit with lead cutters, which unit is drivable relative to the shear platePHILIPS CORP·Filed 1979·Granted May 18, 1982·16 cites·4 claims
- 0351US7352108B2Piezoelectric driving device and a regulation method for a piezoelectric driving deviceKONINKL PHILIPS ELECTRONICS NV·Filed 2002·Granted Apr 1, 2008·6 cites·10 claims
- 0447US4486697AReversing device for a two-pole single-phase synchronous motorPHILIPS CORP·Filed 1983·Granted Dec 4, 1984·10 cites·16 claims
- 0547US2009146529A1Starting-process controller for starting a piezomotorKONINKL PHILIPS ELECTRONICS NV·Filed 2009·Application pending·0 cites
- 0645US6563253B2Piezoelectric actuatorKONINKL PHILIPS ELECTRONICS NV·Filed 2001·Granted May 13, 2003·3 cites·11 claims
- 0739US2001017665A1Actuator having a sphere and piezoelectric drivesFiled 2000·Application pending·0 cites
- 0838US4812691ADevice for improving the stability of rotation of the rotor of a single-phase synchronous motorPHILIPS CORP·Filed 1987·Granted Mar 14, 1989·8 cites·11 claims
- 0937US7518285B2Starting-process controller for starting a piezomotorKONINKL PHILIPS ELECTRONICS NV·Filed 2003·Granted Apr 14, 2009·0 cites·18 claims
- 1034US6455983B2Piezoelectric motorKONINKL PHILIPS ELECTRONICS NV·Filed 1999·Granted Sep 24, 2002·9 cites·19 claims
- 1132US4606121ADrive mechanism for a vibration-type dry-shaverPHILIPS CORP·Filed 1985·Granted Aug 19, 1986·4 cites·5 claims
- 1232US4520286AAppliance driven by an electric motorPHILIPS CORP·Filed 1983·Granted May 28, 1985·3 cites·3 claims
- 1331US4868435ASingle phase synchronous motor vibration apparatusPHILIPS CORP·Filed 1987·Granted Sep 19, 1989·2 cites·11 claims
- 1430US4636676ASingle-phase synchronous motor with two-pole permanent-magnet rotorPHILIPS CORP·Filed 1985·Granted Jan 13, 1987·2 cites·11 claims
Join the waitlist — get patent alerts
Get an alert when Gerhard Diefenbach files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →