Birger Laing

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Marbach, DE

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Patents Grantslast 30 patents

Information Patent Grant
Temperature regulated hot water recirculation system
- Patent number 6,227,235
- Issue date May 8, 2001
- Johannes Nikolaus Laing
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Heat exchanger with secondary and tertiary heat exchange surface
- Patent number 4,869,314
- Issue date Sep 26, 1989
- Oliver P. Laing
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Centrifugal pump selectively mountable in centerline or inline posi...
- Patent number 4,818,193
- Issue date Apr 4, 1989
- Laing Holding and Associates
- Karsten A. Laing
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Piston pump for abrasive conveyances
- Patent number 4,772,184
- Issue date Sep 20, 1988
- Karsten A. Laing
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Destratifier for hot water tanks
- Patent number 4,703,748
- Issue date Nov 3, 1987
- Inge Laing
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Secondary circulation system
- Patent number 4,682,581
- Issue date Jul 28, 1987
- Karsten Laing
- F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

Information Patent Application
Device for the local cooling or heating of an object
- Publication number 20040052663
- Publication date Mar 18, 2004
- Laing Thermotech, Inc.
- Oliver Laing
- F28 - HEAT EXCHANGE IN GENERAL