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

Jan I. Bergstrom

BEBeloit: 5 patents #17 of 198Top 9%
AAAsea Aktiebolag: 1 patents #94 of 307Top 35%
Beloit, WI: #30 of 201 inventorsTop 15%
Wisconsin: #7,853 of 40,088 inventorsTop 20%
Overall (All Time): #896,580 of 4,157,543Top 25%
6 Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
4376012 Method of forming a multi-ply web from paper stock 1983-03-08
4376014 Headbox for forming multi-ply sheets 1983-03-08
4298429 Means for effecting cross direction fiber orientation in a papermaking machine headbox Richard E. Hergert 1981-11-03
4249076 Optical measuring device using optical fibers Hans Bertilson, Torgny Brogardh, Anders Persson 1981-02-03
4235667 Method of and means for attaining uniformity in paper webs produced on a roll former Richard E. Hergert 1980-11-25
4201624 Extended nip press William C. Mohr, Leroy H. Busker, Carl J. Francik 1980-05-06