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

Manfred Kallweit — 3 Patents

SCSchering: 3 patents #883 of 2,442Top 40%
Berlin, DE: #2,397 of 9,690 inventorsTop 25%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Manfred Kallweit has been granted 3 US patents while listed as an inventor at Schering. The first was granted in 1985 and the most recent in November 1991. Manfred Kallweit ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Manfred Kallweit in Berlin, DE.

Patents per Year

Patents granted per year, 1985 to 1991Bar chart with a peak of 1 patents in 1985.peak 11985: 1 patents19851989: 1 patents19891991: 1 patents1991

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5063950 Apparatus and method for treating and/or cleaning of objects, particularly circuit boards Horst Blasing 1991-11-12
4846202 Device for cleaning or chemical treatment or workpieces 1989-07-11
4560460 Apparatus for the galvanic deposition of metal Horst Blasing 1985-12-24