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USPTO Patent Rankings Data through Dec 31, 2025
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Norbert Schwarz — 17 Patents

SCSchering: 17 patents #145 of 2,442Top 6%
Berlin, DE: #321 of 9,690 inventorsTop 4%
Overall (All Time): #263,971 of 4,157,543Top 7%
17 Patents All Time
Norbert Schwarz has been granted 17 US patents while listed as an inventor at Schering. The first was granted in 1980 and the most recent in June 1992. Norbert Schwarz ranks #263,971 of 4,157,543 US inventors in our database (top 6.3%). Patent records list Norbert Schwarz in Berlin, DE.

Patents per Year

Patents granted per year, 1980 to 1992Bar chart with a peak of 4 patents in 1984.peak 41980: 2 patents19801981: 1 patents1982: 1 patents19821983: 2 patents1984: 4 patents19841985: 1 patents1986: 1 patents19861987: 1 patents1988: 1 patents19881989: 1 patents1991: 1 patents19911992: 1 patents1992

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
5124343 Carbacyclins, process for the preparation thereof, and use thereof as medicinal agents Helmut Vorbrueggen, Hernd Raduechel, Werner Skuballa, Jorge Casals-Stenzel, Gerda Mannesmann +1 more 1992-06-23
4983629 11-haloprostane derivatives, processes for their preparation and their use as medicinal agents Helmut Vorbruggen, Olaf Loge, Claus-Steffen Sturzebecher, Walter Elger 1991-01-08
4870104 11-haloprostane derivatives, processes for their preparation and their use as medicinal agents Helmut Vorbruggen, Olaf Loge, Claus-Steffen Sturzebecher, Walter Elger 1989-09-26
4789685 9-fluoroprostaglandin derivatives, their preparation and use as medicinal agents Werner Skuballa, Bernd Raduechel, Helmut Vorbrueggen, Walter Elger, Olaf Loge +1 more 1988-12-06
4708963 Novel carbacyclins, their preparation and use Werner Skuballa, Bernd Raduchel, Helmut Vorbruggen, Jorge Casals-Stenzel, Ekkehard Schillinger +1 more 1987-11-24
4567195 Azaprostacyclins, their preparation and pharmaceutical use Werner Skuballa, Helmut Vorbrueggen, Jorge Casals-Stenzel, Ekkehard Schillinger, Michael-Harold Town 1986-01-28
4560786 .DELTA..sup.8,9 -Prostaglandin derivatives, their preparation and use as medicinal agents Werner Skuballa, Bernd Raduechel, Helmut Vorbrueggen, Walter Elger, Olaf Loge +1 more 1985-12-24
4489092 Prostanoic acid derivatives and their preparation Helmut Vorbruggen, Olaf Loge, Walter Elger 1984-12-18
4487953 9-Bromoprostaglandins, their preparation, and their use as medicaments Werner Skuballa, Bernd Raduechel, Helmut Vorbrueggen, Walter Elger 1984-12-11
4454339 9-Fluoroprostaglandin derivatives, and use as medicinal agents Werner Skuballa, Bernd Raduechel, Helmut Vorbrueggen, Walter Elger, Olaf Loge +1 more 1984-06-12
4446147 Azaprostacyclins, their preparation and pharmaceutical use Werner Skuballa, Helmut Vorbrueggen, Jorge Casals-Stenzel, Ekkehard Schillinger, Michael-Harold Town 1984-05-01
4423067 Carbacyclins, their preparation and use Werner Skuballa, Bernd Raduchel, Helmut Vorbruggen, Jorge Casals-Stenzel, Ekkehard Schillinger +1 more 1983-12-27
4379927 Process for the preparation of imidazoleacetic acid derivatives Helmut Vorbruggen 1983-04-12
4359467 Prostanoic acid derivatives and their preparation Helmut Vorbruggen, Olaf Loge, Walter Elger 1982-11-16
4284646 Prostanoic acid derivatives and their preparation Helmut Vorbruggen, Olaf Loge, Walter Elger 1981-08-18
4217360 Novel 1,3-benzodioxaneprostanoic acid derivatives and process for the preparation thereof Helmut Vorbrueggen, Olaf Loge, Walter Elger 1980-08-12
4191694 Prostaglandin-I.sub.2 derivatives Werner Skuballa, Bernd Raduchel, Helmut Vorbruggen, Bernd Muller, Gerda Mannesmann +3 more 1980-03-04