Donald J. Leonard

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Lagunitas, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Natural draft combustion zone optimizing method and apparatus
- Patent number 4,253,404
- Issue date Mar 3, 1981
- Chevron Research Company
- Donald J. Leonard
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Natural draft combustion zone optimizing method and apparatus
- Patent number 4,235,171
- Issue date Nov 25, 1980
- Chevron Research Company
- Donald J. Leonard
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES