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USPTO Patent Rankings Data through Dec 31, 2025
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Ralph Schmiechen — 34 Patents

SCSchering: 32 patents #58 of 2,442Top 3%
AFA/S Ferrosan: 2 patents #15 of 29Top 55%
SHShering: 1 patents #4 of 41Top 10%
Berlin, DE: #113 of 9,690 inventorsTop 2%
Overall (All Time): #100,737 of 4,157,543Top 3%
34 Patents All Time
Ralph Schmiechen has been granted 34 US patents while listed as an inventor at Schering. The first was granted in 1980 and the most recent in September 2001. Ralph Schmiechen ranks #100,737 of 4,157,543 US inventors in our database (top 2.4%). Patent records list Ralph Schmiechen in Berlin, DE.

Issued Patents All Time

Showing 1–25 of 34 patents

Patent #TitleCo-InventorsDate
6288065 Quinoxaline-carboxylic acid derivatives Andreas Huth, Ilse Beetz, Ingrid Schumann, Lechoslaw Turski, Peter-Andreas Loschmann +5 more 2001-09-11
6057304 Quinoxaline-phosphonic acid derivatives Andreas Huth, Ilse Beetz, Ingrid Schumann, Lechoslaw Turski, Peter-Andreas Loschmann +5 more 2000-05-02
5700808 5- or 6-substituted .beta.-carboline-3-carboxylic acid esters Helmut Biere, Andreas Huth, Dieter Rahtz, Dieter Seidelmann, Wolfgang Kehr +5 more 1997-12-23
5543519 3-aryl or 3-hetaryl-.beta.-carbolines, their production and use in pharmaceutical agents Andreas Huth, Dieter Seidelmann, Herbert Schneider, Lechoslaw Turski 1996-08-06
5539111 Process for resolution of racemates of 4-aryl-2-oxo-pyrrolidine-3-carboxylic acid esters Karl Petzoldt, Kurt Hamp, Matthias Gottwald 1996-07-23
5506234 .beta.-carboline derivatives for use as pharmaceutical agents Andreas Huth, Dieter Seidelmann, Dieter Rahtz, Herbert Schneider, Lechoslaw Turski 1996-04-09
5414002 5- or 6-substituted .beta.-carboline-3-carboxylic acid esters Helmut Biere, Andreas Huth, Dieter Rahtz, Dieter Seidelmann, Wolfgang Kehr +5 more 1995-05-09
5350750 .beta.-carboline-3-hydroxyalkylcarboxylic acid ester derivatives, process for their production and their use in pharmaceutical agents Andreas Huth, Martin Kruger, Dieter Seidelmann, Werner Krause, Herbert Schneider +1 more 1994-09-27
5256682 Isoxazolylimidazole derivatives, process for their production and their use in pharmaceutical agents Martin Kruger, Rolf Russe, Herbert Schneider, Lechoslaw Turski 1993-10-26
5254563 Beta-carbolines, process for their production and their use in pharmaceutical agents Andreas Huth, Martin Kruger, Dieter Rahtz, Dieter Seidelmann, Lechoslaw Turski +2 more 1993-10-19
5064854 3,4-disubstituted phenyl heterocycles and their use Andreas Huth, Helmut Wachtel, Herbert Schneider 1991-11-12
5010077 .beta.-carbolin-3-carboxylic acid derivatives useful for treating anxiety and related disorders Claus T. Braestrup, Mogens C. Nielsen, Joergen A. Christensen, Mogens Engelstoft, Henning Schou +4 more 1991-04-23
4987146 N-hetaryl imidazole derivatives Ralph Rohde, Helmut Biere, John S. Andrews, David N. Stephens 1991-01-22
4960777 Heteroaryloxy-.beta.-carboline derivatives, their preparation and their use as medicinal agents Helmut Biere, Andreas Huth, Dieter Rahtz, Dieter Seidelmann, David N. Stephens +2 more 1990-10-02
4952698 Imidazole derivatives Helmut Biere, Andreas Huth, Dieter Rahtz, Dieter Seidelmann, Herbert Schneider +1 more 1990-08-28
4945090 Phenoxy-substituted beta-carboline derivatives, their production and their use as drugs Dieter Seidelmann, Andreas Huth, Herbert Schneider, David N. Stephens, Mogens Engelstoft +2 more 1990-07-31
4945163 Process for the preparation of 4-alkoxyalkyl .beta.-carbolines Andreas Huth, Dieter Rahtz, Ralph Rohde, Dieter Seidelmann 1990-07-31
4933345 Isoxazole-.beta.-carboline derivatives Andreas Huth, Dieter Rahtz, Ralph Rohde, Dieter Seidelmann, Herbert Schneider +4 more 1990-06-12
4894377 .beta.-carbolines and their use as medicinal agents Dieter Seidelmann, Andreas Huth, Dieter Rahtz, Claus T. Braestrup, Mogens Engelstoft 1990-01-16
4877792 Heteroaryloxy-beta-carboline derivatives, their preparation and their use as medicinal agents Helmut Biere, Andreas Huth, Dieter Rahtz, Dieter Seidelmann, David N. Stephens +2 more 1989-10-31
4855295 Tetrahydro-beta-carbolines, and their use as drugs Helmut Biere, Mogens Engelstoft, Andreas Huth, Dieter Rahtz, Dieter Seidelmann +1 more 1989-08-08
4778800 3-oxadiazole and 3-carboxylic acid beta-carboline derivatives, and their use as psychotropic agents Andreas Huth, David N. Stephens, Mogens Engelstoft, Frank Waetjen, John Bondo Hansen +1 more 1988-10-18
4757070 3-oxadiazolyl-5-aminoalkyl-beta-carboline derivatives compositions and use Helmut Biere, Andreas Huth, Dieter Rahtz, Dieter Seidelmann, David N. Stephens 1988-07-12
4731365 5-aminoalkyl-beta-carboline derivatives, psycho tropic compositions and use Helmut Biere, Andreas Huth, Dieter Rahtz, Dieter Seidelmann, David N. Stephens 1988-03-15
4719210 3-vinyl and 3-thyinyl-beta-carbolines, and their use as benzodiazepine receptor antagonists or agonists Dieter Seidelmann, Andreas Huth, Rudolf Wiechert, Herbert Schneider, David N. Stephens 1988-01-12