Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
NE

Norbert Esper

SCSchering: 5 patents #587 of 2,442Top 25%
Bergkamen, DE: #11 of 51 inventorsTop 25%
Overall (All Time): #1,064,625 of 4,157,543Top 30%
5 Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
4673710 Polyvinyl chloride plastisols Christian Burba, Ulrich Goeke 1987-06-16
4533524 Polyvinyl chloride plastisols Christian Burba, Ulrich Goeke 1985-08-06
4440900 Method for making coatings and adhesive bonds with polyvinyl chloride plastisols having improved adhesion, and plastisols for said process Christian Burba, Ulrich Goeke 1984-04-03
4278713 Polyvinyl chloride plastisols Christian Burba, Hans-Guenter Volland 1981-07-14
4268548 Polyvinyl chloride-plastisol having improved adhesion Christian Burba, Hans-Gunter Volland 1981-05-19