Inventor · disambiguated record
Frank Fischer-Helwig
Also filed as: FISCHER-HELWIG FRANK
5 granted patents·124 citations·filing 1991–2004
82Inventor score
Top patents by PatentIndex Score
5 records- 0193US7497396B2Grinding roller for the pressure comminution of granular materialKHD HUMBOLDT WEDAG GMBH·Filed 2004·Granted Mar 3, 2009·58 cites·18 claims
- 0273US5704561AWear-resistant hard-surfacing for the rolls of high-pressure roll presses for size reduction of granular materialDEUTZ AG·Filed 1995·Granted Jan 6, 1998·29 cites·13 claims
- 0361US5158182ASifterKLOECKNER HUMBOLDT DEUTZ AG·Filed 1991·Granted Oct 27, 1992·18 cites·19 claims
- 0458US7300007B2Circulating grinding plant comprising a mill and a sifterKHD HUMBOLDT WEDAG GMBH·Filed 2003·Granted Nov 27, 2007·7 cites·16 claims
- 0542US5601520AWear-resistant hard-surfacing for the rolls of high-pressure roll pressesKLOECKNER HUMBOL·Filed 1994·Granted Feb 11, 1997·12 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →