Ludwig Ludin

Person

CH 5611 Anglikon-Wohlen, CH

People

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
Ceramic step bearing in a centrifugal pump
- Patent number 4,874,300
- Issue date Oct 17, 1989
- Karsten A. Laing
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Pressureless large-area heating system
- Patent number 4,516,721
- Issue date May 14, 1985
- Karsten Laing
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Heat transfer pump
- Patent number 4,471,835
- Issue date Sep 18, 1984
- Karsten Laing
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Utility water system with a pressureless storage container, particu...
- Patent number 4,437,484
- Issue date Mar 20, 1984
- Karsten Laing
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Space heating installation
- Patent number 4,211,092
- Issue date Jul 8, 1980
- Ludwig Ludin
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Rotating electrical machine
- Patent number 4,047,062
- Issue date Sep 6, 1977
- Ludwig Ludin
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Bearing lubricated with water
- Patent number 3,933,223
- Issue date Jan 20, 1976
- Ludwig Ludin
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Ludwig Ludin

Person

Patents Grantslast 30 patents

Hot water priming device

Ceramic step bearing in a centrifugal pump

Pressureless large-area heating system

Heat transfer pump

Utility water system with a pressureless storage container, particu...

Space heating installation

Rotating electrical machine

Bearing lubricated with water