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

Douwe Frankena

PBPaques I.P. B.V.: 1 patents #1 of 2Top 50%
Bolsward, NL: #1 of 1 inventorsTop 100%
Overall (2016): #415,831 of 481,213Top 90%
1 Patents 2016

Issued Patents 2016

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9233865 Bioreactor comprising a mixing chamber Sjoerd Hubertus Jozef Vellinga 2016-01-12