DS

Dennis Lee Shaffer

YI York International: 3 patents #34 of 154Top 25%
IBM: 2 patents #32,839 of 70,183Top 50%
📍 Rochester, MN: #937 of 3,042 inventorsTop 35%
🗺 Minnesota: #13,602 of 52,454 inventorsTop 30%
Overall (All Time): #1,029,338 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
7421853 Enhanced manual start/stop sequencing controls for a stream turbine powered chiller unit Russell Thompson 2008-09-09
7421854 Automatic start/stop sequencing controls for a steam turbine powered chiller unit Russell Thompson 2008-09-09
7328587 Integrated adaptive capacity control for a steam turbine powered chiller unit Russell Thompson, Stephen Michael Kachmar, Eric John Smyder, Brenda Jane Roberts, Daniel J. Petroskie +1 more 2008-02-12
5553290 Software packaging structure having hierarchical replaceable units Nathaniel Calvert, James S. Effle, David L. Johnston, James Lee Naylor, Helen M. Olson-Williams +2 more 1996-09-03
5237688 Software packaging structure having hierarchical replaceable units Nathaniel Calvert, James S. Effle, David L. Johnston, James Lee Naylor, Helen M. Olson-Williams +2 more 1993-08-17