BD

Brent Duffner

VN Voestalpine Nortrak: 3 patents #1 of 9Top 15%
VA Vae Nortrak North America: 1 patents #6 of 13Top 50%
VG Voestalpine Vae Gmbh: 1 patents #7 of 13Top 55%
📍 Pinson, AL: #6 of 38 inventorsTop 20%
🗺 Alabama: #1,051 of 10,951 inventorsTop 10%
Overall (All Time): #685,315 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
12359377 Switch point roller assembly Thomas Bostany, Bradley Smith, Eric Chandler Gray, Adam Patrick Karnes-Aceves 2025-07-15
11168446 Rail fastening apparatus Gary Click, Bradley Smith, Derek Cameron 2021-11-09
D910487 Railroad tie Gary Click, Matt Moore, Bradley Smith, Derek Cameron 2021-02-16
10400397 Boltless rail brace Gary Click, Bradley Smith, Derek Cameron 2019-09-03
9352762 Dual independent control hydraulic switch machine Gary Click 2016-05-31
9290192 Spring wing controller Gary Click, Bradley Smith, Martin Webb 2016-03-22
7677466 Insulated rail joint assembly Gary Click 2010-03-16