Inventor · disambiguated record
Wilhelm Appel
Also filed as: APPEL WILHELM
9 granted patents·90 citations·filing 1985–2007
86Inventor score
Top patents by PatentIndex Score
9 records- 0179US7388364B2Device for covering the peak loadSIEMENS AG OESTERREICH·Filed 2006·Granted Jun 17, 2008·18 cites·9 claims
- 0278US7927156B2Electrical connector elementSIEMENS AG OESTERREICH·Filed 2007·Granted Apr 19, 2011·11 cites·16 claims
- 0378US4756157AControl device for a hydrostatic gearHYDROMATIK GMBH·Filed 1986·Granted Jul 12, 1988·31 cites·10 claims
- 0451US4756156ADrive system with two hydrostatic gearsHYDROMATIK GMBH·Filed 1986·Granted Jul 12, 1988·12 cites·11 claims
- 0550US7120039B2Voltage converterSIEMENS AG OESTERREICH·Filed 2004·Granted Oct 10, 2006·14 cites·6 claims
- 0638US8482941B2Method for operating a switched mode power supply with return of primary-side stray energyAPPEL WILHELM·Filed 2006·Granted Jul 9, 2013·1 cites·9 claims
- 0731US8212434B2Method for operating switched-mode power supply unitsAPPEL WILHELM·Filed 2006·Granted Jul 3, 2012·0 cites·11 claims
- 0830US8331109B2Asymmetric half-bridge with reduced switch loadAPPEL WILHELM·Filed 2007·Granted Dec 11, 2012·0 cites·2 claims
- 0927US4722187ASpeed regulation device for a hydrostatic drive unitHYDROMATIK GMBH·Filed 1985·Granted Feb 2, 1988·3 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →