David J. Nell

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Oradell, NJ, US

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Patents Grantslast 30 patents

Information Patent Grant
Gas distribution system for fluidized bed reactors
- Patent number 5,368,824
- Issue date Nov 29, 1994
- Marquess and Nell Inc.
- David J. Nell
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
Method and apparatus for mass transfer in multiple hearth funaces
- Patent number 5,316,471
- Issue date May 31, 1994
- David J. Nell
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
Cocurrent oxidation method in a multiple hearth furnace
- Patent number 5,080,025
- Issue date Jan 14, 1992
- Marquess and Nell, Inc.
- David J. Nell
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Electric furnace for continously heating and regenerating spent act...
- Patent number 4,455,282
- Issue date Jun 19, 1984
- Gerald E. Marquess
- F26 - DRYING
Information Patent Grant
System for electrically heating and regenerating spent activated ca...
- Patent number 4,374,092
- Issue date Feb 15, 1983
- Gerald E. Marquess
- F26 - DRYING