Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
WM

Werner Mrotzek — 10 Patents

SCSchering: 10 patents #299 of 2,442Top 15%
Dortmund, DE: #63 of 1,213 inventorsTop 6%
Overall (All Time): #481,000 of 4,157,543Top 15%
10 Patents All Time
Werner Mrotzek has been granted 10 US patents while listed as an inventor at Schering. The first was granted in 1990 and the most recent in March 2000. Werner Mrotzek ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list Werner Mrotzek in Dortmund, DE.

Patents per Year

Patents granted per year, 1990 to 2000Bar chart with a peak of 5 patents in 1992.peak 51990: 3 patents19901992: 5 patents19921993: 1 patents19932000: 1 patents2000

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
6039093 Adapter for extracting a liquid from a container closed with a stopper Bernd Graf, Ingoberth Schonke 2000-03-21
5176942 Process for manufacturing fiber-reinforced base materials for the electrical industry based on epoxy resin and imidazole-acrylic acid adduct curing agents Christian Burba 1993-01-05
5175219 Imidazolyl derivatives, their use as curing agents in epoxy-resin compositions, and curable epoxy-resin compositions and molded epoxy-resin articles incorporating said imidazolyl derivatives Christian Burba 1992-12-29
5175220 Imidazolyl derivatives, their use as curing agents in epoxy-resin compositions, and curable epoxy-resin compositions and molded epoxy-resin articles incorporating said imidazolyl derivatives Christian Burba 1992-12-29
5155182 Imidazolyl derivatives, their use as curing agents in epoxy-resin compositions, and curable epoxy-resin compositions and molded epoxy-resin articles incorporating said imidazolyl derivatives Christian Burba 1992-10-13
5106443 Process for the manufacture of pipe from composite materials based on epoxy resins and 1,7-bis-(1-(2'-aminoethyl)-1,3-diaza-2-cyclopenten-2-yl)heptane Christian Burba, Herbert Franz, Alwin Krotzek 1992-04-21
5080740 Process for the fabrication of fiber-reinforced wound structures from epoxy resins and 3-(1-(2'-aminoethyl)-1,3-diaza-2-cyclopenten-2-yl)heptane and/or (1-(2'-aminoethyl)-1,3-diaza-2-cyclopenten-2-yl)-2,4,4-trimethyl-1-penta ne Christian Burba, Herbert Franz, Alwin Krotzek 1992-01-14
4968767 Substituted 3-(n-imidazolyl)propionic hydrazides, their use as curing agents in epoxy-resin compositions, and curable epoxy-resin compositions and molded epoxy-resin articles incorporating them Christian Burba 1990-11-06
4968732 Imidazolyl-urea compounds and their use as cure accelerators in epoxy resin compositions for the production of moldings Christian Burba 1990-11-06
4931529 Imidazolyl-urea compounds and their use as cure accelerators in epoxy resin compositions Christian Burba 1990-06-05