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

Bart Kaster — 1 Patent

ANAkzo N.V.: 1 patents #342 of 803Top 45%
Leiden, NL: #335 of 698 inventorsTop 50%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Bart Kaster has been granted 1 US patent while listed as an inventor at Akzo N.V.. All of these patents were granted in 1987. Bart Kaster ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Bart Kaster in Leiden, NL.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4677028 Thixotropic coating composition, process for coating a substrate with such coating composition and the coated substrate thus obtained Auke Jan Heeringa, Johannes P. Juffermans 1987-06-30