Doerte Laing

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7148 Remseck 2-Aldingen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Hot water priming device
- Patent number 5,072,717
- Issue date Dec 17, 1991
- Doerte Laing
- F24 - HEATING RANGES VENTILATING
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
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
Secondary circulation system
- Patent number 4,682,581
- Issue date Jul 28, 1987
- Karsten Laing
- F24 - HEATING RANGES VENTILATING