Assignee
QVF ENGINEERING GMBH
DE·4 granted patents·49 citations·filing 2000–2004
Top patents by PatentIndex Score
4 records- 0177US6905141B2Glass elements with a conductive coating, the use thereof, as well as devices, installations and pipe conducts produced therefromQVF ENGINEERING GMBH·Filed 2001·Granted Jun 14, 2005·17 cites·11 claims
- 0271US7234692B2Column trayQVF ENGINEERING GMBH·Filed 2004·Granted Jun 26, 2007·18 cites·35 claims
- 0357US6969446B1Method for producing concentrated nitric acid and installation for carrying out a method of this typeQVF ENGINEERING GMBH·Filed 2000·Granted Nov 29, 2005·12 cites·25 claims
- 0450US6726188B2Structured mass transfer packing with improved bafflesQVF ENGINEERING GMBH·Filed 2002·Granted Apr 27, 2004·2 cites·16 claims
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