Inventor · disambiguated record
Heiko Schumann
Also filed as: SCHUMANN HEIKO
8 granted patents·2 pending applications·278 citations·filing 1997–2025
88Inventor score
Files withHENGST WALTER GMBH & CO KG3VOLKSWAGEN AG3WALTER HENGST GMBH & CO KG FA3WALTER HENGST GMBH & CO ING1
Top patents by PatentIndex Score
10 records- 0193US6348103B1Method for cleaning electrofilters and electrofilters with a cleaning deviceWALTER HENGST GMBH & CO KG FA·Filed 1999·Granted Feb 19, 2002·125 cites·15 claims
- 0291US6635105B2Electrostatic precipitatorHENGST WALTER GMBH & CO KG·Filed 2001·Granted Oct 21, 2003·61 cites·15 claims
- 0376US2025353542A1Electromechanical vehicle steering system and method for producing sameVOLKSWAGEN AG·Filed 2025·Application pending·0 cites
- 0471US2025353541A1Steer-by-wire steering system for a motor vehicleVOLKSWAGEN AG·Filed 2025·Application pending·0 cites
- 0559US6090283AFilter drain with spring enclosureWALTER HENGST GMBH & CO KG FA·Filed 1997·Granted Jul 18, 2000·31 cites·9 claims
- 0655US12110948B2Rack steering system and motor vehicle having such a rack steering systemVOLKSWAGEN AG·Filed 2022·Granted Oct 8, 2024·0 cites·10 claims
- 0754US6599144B1Sealed testable electrical contact arrangementWALTER HENGST GMBH & CO KG FA·Filed 1999·Granted Jul 29, 2003·18 cites·9 claims
- 0851US6173859B1Filter housing with irregular ribHENGST WALTER GMBH & CO KG·Filed 1997·Granted Jan 16, 2001·23 cites·6 claims
- 0951US5934261AElectrode for electrostatic filterWALTER HENGST GMBH & CO ING·Filed 1998·Granted Aug 10, 1999·17 cites·5 claims
- 1039US6616817B1Electrodeposition deviceHENGST WALTER GMBH & CO KG·Filed 2000·Granted Sep 9, 2003·3 cites·4 claims
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