Donald R. Cummings

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MacLean, New South Wales, AU

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Patents Grantslast 30 patents

Information Patent Grant
Generation of electricity and the treatment and disposal of sewage
- Patent number 6,490,866
- Issue date Dec 10, 2002
- D.U.T. Pty Ltd.
- Donald R. Cummings
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Method and apparatus for improving utilization of fuel values of as...
- Patent number 5,014,651
- Issue date May 14, 1991
- D.U.T. Pty. Ltd.
- Donald R. Cummings
- F22 - STEAM GENERATION
Information Patent Grant
Process for the production of synthesis gas from coal
- Patent number 4,526,903
- Issue date Jul 2, 1985
- Dut Pty Limited
- Donald R. Cummings
- C07 - ORGANIC CHEMISTRY