Inventor

DICHTL GOTTFRIED

DE5 patents

⚠️ This page may combine multiple inventors who share the name “DICHTL GOTTFRIED”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

QVF ENGINEERING GMBH

3 patents

US7234692B2Jun 26, 2007

Column tray

QVF ENGINEERING GMBH18 citations81

US6969446B1Nov 29, 2005

Method for producing concentrated nitric acid and installation for carrying out a method of this type

QVF ENGINEERING GMBH12 citations76

US6726188B2Apr 27, 2004

Structured mass transfer packing with improved baffles

QVF ENGINEERING GMBH2 citations56

DIETRICH PROCESS SYSTEMS GMBH DE

1 patent

US7988942B2Aug 2, 2011

Method and system for concentrating waste sulphuric acids from nitration processes

DIETRICH PROCESS SYSTEMS GMBH DE6 citations55

DICHTL GOTTFRIED

1 patent

US9108847B2Aug 18, 2015

Method and plant for reprocessing waste sulphuric acids from nitration processes

DICHTL GOTTFRIED0 citations21