David H. Hopkins

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Camptown, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of making ceramic core heat recuperator
- Patent number 4,503,905
- Issue date Mar 12, 1985
- GTE Products Corporation
- Ray L. Newman
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Heat recuperator with triple pass cross-flow ceramic core
- Patent number 4,503,904
- Issue date Mar 12, 1985
- GTE Products Corporation
- Ray L. Newman
- F28 - HEAT EXCHANGE IN GENERAL