Inventor · disambiguated record
Herbert Stemmler
Also filed as: STEMMLER HERBERT
12 granted patents·244 citations·filing 1979–1998
92Inventor score
Top patents by PatentIndex Score
12 records- 0175US4647837AReactive-power compensator for compensating a reactive-current component in an alternating-voltage systemBBC BROWN BOVERI & CIE·Filed 1984·Granted Mar 3, 1987·41 cites·7 claims
- 0274US5235503AProcess and device for eliminating or reducing harmonics and/or resonance oscillationsASEA BROWN BOVERI·Filed 1991·Granted Aug 10, 1993·48 cites·8 claims
- 0373US5544035AConverter arrangement having a low-inductance commutation circuitABB MANAGEMENT AG·Filed 1994·Granted Aug 6, 1996·29 cites·12 claims
- 0465US4553197AConverter with fast-acting overvoltage protectionBBC BROWN BOVERI & CIE·Filed 1983·Granted Nov 12, 1985·16 cites·6 claims
- 0559US4639846AMethod and compensating device for compensating current oscillationsBBC BROWN BOVERI & CIE·Filed 1986·Granted Jan 27, 1987·18 cites·9 claims
- 0656US5625542ALow-noise operation of a machine fed by a pulse inverterINVENTIO AG·Filed 1995·Granted Apr 29, 1997·26 cites·13 claims
- 0756US4951187AMethod for controlling a three-phase inverterASEA BROWN BOVERI·Filed 1989·Granted Aug 21, 1990·17 cites·10 claims
- 0848US4680531AMethod for attenuating at least one electric harmonic of the system frequency in a multi-phase alternating-current systemBBC BROWN BOVERI & CIE·Filed 1986·Granted Jul 14, 1987·24 cites·19 claims
- 0945US6130524AMethod and apparatus for generating and injecting reactive power into an electrical AC power grid system using an inverterASEA BROWN BOVERI·Filed 1998·Granted Oct 10, 2000·12 cites·28 claims
- 1035US4236108AVariable phase-shifting transformer networkBBC BROWN BOVERI & CIE·Filed 1979·Granted Nov 25, 1980·3 cites·5 claims
- 1130US5164893ALow inductance gto switching circuit for an inverterASEA BROWN BOVERI·Filed 1991·Granted Nov 17, 1992·8 cites·13 claims
- 1227US4488121AMethod and apparatus for amplifying an analog low-frequency signal by a switching amplifierBBC BROWN BOVERI & CIE·Filed 1982·Granted Dec 11, 1984·2 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →