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

Roger Kauffman — 2 Patents

PYPyrotek: 1 patents #30 of 73Top 45%
WGW.L. Gore & Associates Gmbh: 1 patents #668 of 1,175Top 60%
Newark, DE: #699 of 1,550 inventorsTop 50%
Delaware: #3,234 of 7,163 inventorsTop 50%
Overall (All Time): #2,188,899 of 4,157,543Top 55%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6709234 Impeller shaft assembly system Ronald E. Gilbert, Robert David Dion, Mark Palmer, Kristopher M. Ratzlaff, Charles Seale 2004-03-23
4580860 Device for advancing and retracting single or multiple electrical connector halves in an electrical connector Donald L. Slothour 1986-04-08