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Helmut Lachmann
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43 Essen 16, DE
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last 30 patents
Information
Patent Grant
Water compartment for a heat exchanger
Patent number
5,570,741
Issue date
Nov 5, 1996
Deutsche Babcock-Borsig AG
Peter Brucher
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Heat exchanger for cooling hot reaction gas
Patent number
5,472,046
Issue date
Dec 5, 1995
Deutsche Babcock-Borsig Aktiengesellschaft
Peter Brucher
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Heat exchanger for cooling superheated steam
Patent number
5,178,102
Issue date
Jan 12, 1993
Deutsche Babcock-Borsig Aktiengesellschaft
Wolfgang Kehrer
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Nested-tube heat exchanger
Patent number
5,035,283
Issue date
Jul 30, 1991
Borsig GmbH
Peter Brucher
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Heat exchanger, especially for cooling cracked gas
Patent number
4,858,684
Issue date
Aug 22, 1989
Borsig GmbH
Peter Brucher
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Heat exchanger, especially for cooling cracked gas
Patent number
4,848,449
Issue date
Jul 18, 1989
Borsig GmbH
Peter Brucher
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Device for cooling gases deriving from ammonia synthesis
Patent number
4,768,584
Issue date
Sep 6, 1988
Borsig GmbH
Wolfgang Kehrer
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
High-pressure self-actuating flow-control valve assembly
Patent number
4,673,162
Issue date
Jun 16, 1987
Helmut Lachmann
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Overpressure valve
Patent number
4,476,888
Issue date
Oct 16, 1984
Dr. H. Tiefenbach GmbH & Co.
Helmut Lachmann
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Heat exchanger for cooling slag-containing gases from coal gasifica...
Patent number
4,346,758
Issue date
Aug 31, 1982
Borsig GmbH
Wolfgang Kehrer
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Tube-bundle heat exchanger for cooling a medium having a high inlet...
Patent number
4,294,312
Issue date
Oct 13, 1981
Borsig GmbH
Wolfgang Kehrer
F28 - HEAT EXCHANGE IN GENERAL