RS

Ronald J. Spiegel

IC International Fuel Cells: 3 patents #46 of 129Top 40%
UE US EPA: 1 patents #22 of 127Top 20%
UA U.S. Environmental Protection Agency: 1 patents #18 of 62Top 30%
📍 Chapel Hill, NC: #566 of 1,999 inventorsTop 30%
🗺 North Carolina: #10,032 of 45,564 inventorsTop 25%
Overall (All Time): #1,050,783 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5976373 Removal of hydrogen sulfide from anaerobic digester gas John C. Trocciola, Herbert C. Healy, Roger R. Lesieur 1999-11-02
5916438 Removal of hydrogen sulfide from anaerobic digester gas John C. Trocciola, Herbert C. Healy, Roger R. Lesieur 1999-06-29
5652485 Fuzzy logic integrated electrical control to improve variable speed wind turbine efficiency and performance Bimal K. Bose 1997-07-29
5451249 Landfill gas treatment system Richard A. Sederquist, John C. Trocciola, Herbert C. Healy, Roger R. Lesieur, Gregory J. Sandelli 1995-09-19
5272428 Fuzzy logic integrated control method and apparatus to improve motor efficiency Paul J. Chappell 1993-12-21