JR

Jeffrey L. Riffe

TG Tenneco Gmbh: 4 patents #3 of 81Top 4%
📍 Troy, MI: #43 of 358 inventorsTop 15%
🗺 Michigan: #817 of 10,747 inventorsTop 8%
Overall (2019): #52,411 of 560,194Top 10%
4
Patents 2019

Issued Patents 2019

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
10428761 Galleryless piston with improved pocket cooling Thomas Scherbaum, Sven Ungermann, Harald Mergler, Josef Harrer, Michael Seiffert +4 more 2019-10-01
10422299 Piston with asymmetric upper combustion surface and method of manufacture thereof Michael Weinenger, Timothy Christopher Vezina 2019-09-24
10352270 Galleryless piston with connection to pockets Michael Weinenger 2019-07-16
10344706 Galleryless piston with cutout above pin bore Michael Weinenger 2019-07-09