DZ

Donald E. Zehner

VK Voith Siemens Hydro Power Generation Gmbh & Co. Kg: 2 patents #6 of 19Top 35%
VH Voith Hydro: 1 patents #14 of 23Top 65%
📍 Easton, PA: #198 of 611 inventorsTop 35%
🗺 Pennsylvania: #23,606 of 74,527 inventorsTop 35%
Overall (All Time): #1,616,664 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6402477 Adjustable blade turbines Joseph M. Cybularz, Richard K. Donelson, Richard K. Fisher, Jr., Robert G. Grubb, Randy V. Seifarth +1 more 2002-06-11
6164907 Adjustable blade turbines Joseph M. Cybularz, Richard K. Donelson, Richard K. Fisher, Jr., Robert G. Grubb, Randy V. Seifarth +1 more 2000-12-26
5947679 Adjustable blade turbines Joseph M. Cybularz, Richard K. Donelson, Richard K. Fisher, Jr., Robert G. Grubb, Randy V. Seifarth +1 more 1999-09-07