Helmut David

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Oberhausen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Force free suspension of heat exchange bundles with high temperatur...
- Patent number 5,065,815
- Issue date Nov 19, 1991
- MAN Gutehoffnungshutte Aktiengesellschaft
- Helmut David
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Seal for a vessel connection of a hot pipeline
- Patent number 5,047,201
- Issue date Sep 10, 1991
- MAN Gutehoffnungshutte AG
- Rainer Schmidt
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Tubular heat exchanger
- Patent number 4,852,644
- Issue date Aug 1, 1989
- Man Gutehoffnungshuette GmbH
- Alfred Schlemenat
- F28 - HEAT EXCHANGE IN GENERAL