JH

John R. Hacker

DC Donaldson Company: 1 patents #46 of 146Top 35%
📍 Minneapolis, MN: #178 of 797 inventorsTop 25%
🗺 Minnesota: #1,731 of 5,562 inventorsTop 35%
Overall (2025): #337,538 of 469,880Top 75%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12186689 Spin-on filter with external threads and methods Brian Tucker, Bradley S. Honermann, Gary H. Gift, Brent A. Gulsvig, Kent Mehlhop +1 more 2025-01-07