Gerd Emmrich — 9 Patents at Krupp Koppers Gmbh

Gerd Emmrich has been granted 9 US patents while listed as an inventor at Krupp Koppers Gmbh. The first was granted in 1986 and the most recent in February 2003. Gerd Emmrich ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Gerd Emmrich in Essen, DE.

Patents per Year

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
6514387	Rectifying column for extractive distillation of close-boiling or azeotropic boiling mixtures	Bärbel Kolbe, Helmut Gehrke, Frank Klaus Ennenbach, Uwe Ranke	2003-02-04
6124514	Process for generating pure benzene from reformed gasoline	Hans-Christoph Schneider, Helmut Gehrke, Bernhard Firnhaber	2000-09-26
5401365	High purity benzene production using extractive distillation	George Chen, Brenda M. Balaban, Bernhard Firnhaber	1995-03-28	$60,527,000
5080761	Method of optimizing the operation of a distillation column provided with a side heating device	Hans-Christoph Schneider, Ulrich Rudel	1992-01-14
5031754	Method of working up an overhead product of an extractive distillation of a hydrocarbon mixture and apparatus for same	Hans-Christoph Schneider, Ulrich Rudel	1991-07-16
4997547	Method for the production of an aromate concentrate suitable for use as blending component for fuel	Bernhard Firnhaber, Martin Schulze	1991-03-05
4925535	Process for the production of an aromate concentrate suitable for use as blending component for gasification fuel	Gerhard Preusser, Martin Schulze	1990-05-15
4776927	Process for the separation of aromatic hydrocarbons from a hydrocarbon mixture	Gerhard Preusser	1988-10-11
4586986	Method of recovering pure aromatic substances	Gerhard Preusser, Martin Schulze, Hans-Christoph Schneider	1986-05-06