JG

John A. Grogg

TT Torque-Traction Technologies: 4 patents #1 of 38Top 3%
DL Dana Limited: 1 patents #31 of 119Top 30%
📍 Jasper, IN: #1 of 10 inventorsTop 10%
🗺 Indiana: #44 of 2,450 inventorsTop 2%
Overall (2004): #8,829 of 270,089Top 4%
5
Patents 2004

Issued Patents 2004

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6742640 Wrap spring activated torque transfer device Jun Yoshioka 2004-06-01
6733411 Electronically controlled hydraulic actuator for limited slip differential assembly Martin C. Kaplan 2004-05-11
6725989 Variably controlled torque coupling device for on-demand all-wheel drive drivetrains James A. Krisher 2004-04-27
6699151 Solenoid valve controlled all-wheel drive hydraulic coupling assembly Wayne Borgen, Martin C. Kaplan 2004-03-02
6692396 Solenoid actuated variable pressure relief valve assembly for limited slip differential assembly Jeremy Wudy, Jun Yoshioka, Martin C. Kaplan 2004-02-17