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

Jan Kochmanski

AAAxtone Spolka Akcyjna: 1 patents #1 of 6Top 20%
Kańczuga, PL: #1 of 1 inventorsTop 100%
Overall (2016): #366,914 of 481,213Top 80%
1 Patents 2016

Issued Patents 2016

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9290189 Coupler assembly for coupling railway wagons Jan Kukulski, Leszek Wasilewski, Marian Andres, Miroslaw Sum, Grzegorz Winiarz 2016-03-22