Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
RS

Robert G. Siefker

ADAllison Advanced Development: 2 patents #8 of 41Top 20%
Greenwood, IN: #268 of 649 inventorsTop 45%
Indiana: #13,671 of 33,936 inventorsTop 45%
Overall (All Time): #2,205,316 of 4,157,543Top 55%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6606854 Exhaust mixer and apparatus using same Baily Vittal, Von David Baker, Syed Arif Khalid, James C. Loebig 2003-08-19
6267327 Coupling system for connecting a gas turbine engine to an aircraft mounted exhaust system 2001-07-31