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

Karel Filas

SASpolek Pro Chemickou A Hutni Vyrobu A.S.: 1 patents #4 of 5Top 80%
Ústí nad Labem, CZ: #2 of 3 inventorsTop 70%
Overall (2018): #351,920 of 503,207Top 70%
1 Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9896400 Process for producing a chlorinated C3-6 alkane Pavel Kubicek, Zdenek Ondrus, Petr Sladek 2018-02-20