Ervin K. VanDenberg

SI Suspensions Incorporated: 9 patents #1 of 6Top 20%

AS Air Suspensions: 8 patents #1 of 2Top 50%

TT Transportation Technologies: 6 patents #1 of 6Top 20%

TQ Turner Quick-Lift: 5 patents #1 of 3Top 35%

ML Meritor Heavy Vehicle Systems Limited: 4 patents #22 of 151Top 15%

TB The Boler: 3 patents #15 of 76Top 20%

JK Jost-Werke Gmbh & Co. Kg: 2 patents #8 of 21Top 40%

JI Jost International: 1 patents #5 of 13Top 40%

📍 Massillon, OH: #4 of 330 inventorsTop 2%

🗺 Ohio: #663 of 73,341 inventorsTop 1%

Overall (All Time): #48,198 of 4,157,543Top 2%

Patents All Time

Issued Patents All Time

Showing 51–53 of 53 patents

Patent #	Title	Co-Inventors	Date
4371190	Axle suspension system	—	1983-02-01
4300787	Lift axle suspension	—	1981-11-17
4261597	Axle alignment mechanism and method	—	1981-04-14