DK

David G. Kupper

Caterpillar: 6 patents #1,094 of 8,398Top 15%
Overall (All Time): #836,676 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10352452 Face seal with energized lip and counterface 2019-07-16
9388906 Seal assembly Mark S. Diekevers 2016-07-12
8876226 Seal assembly 2014-11-04
6869244 Articulated pin joint for a track chain Peter W. Anderton, Daniel D. Angot, Steve L. Arianoutsos, J. Christopher Barnes 2005-03-22
6406029 Seal assembly having an encapsulated cone spring Jerry A. Metz 2002-06-18
D364408 Wheel loader vehicle Gary C. Bryant, Alan A. Davidovich, Thomas L. Howard, Sydney K. Scott, David G. Surridge +1 more 1995-11-21