Ronald J. Spiegel

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Chapel Hill, NC, US

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Patents Grantslast 30 patents

Information Patent Grant
Removal of hydrogen sulfide from anaerobic digester gas
- Patent number 5,976,373
- Issue date Nov 2, 1999
- International Fuel Cells, LLC
- John C. Trocciola
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Removal of hydrogen sulfide from anaerobic digester gas
- Patent number 5,916,438
- Issue date Jun 29, 1999
- International Fuel Cells, LLC
- John C. Trocciola
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Fuzzy logic integrated electrical control to improve variable speed...
- Patent number 5,652,485
- Issue date Jul 29, 1997
- The United States of America as represented by the Administrator of the U. S....
- Ronald J. Spiegel
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Landfill gas treatment system
- Patent number 5,451,249
- Issue date Sep 19, 1995
- International Fuel Cells
- Ronald J. Spiegel
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Fuzzy logic integrated control method and apparatus to improve moto...
- Patent number 5,272,428
- Issue date Dec 21, 1993
- The United States of America as represented by the U.S. Environmental Protect...
- Ronald J. Spiegel
- G05 - CONTROLLING REGULATING