having wires, ribbons or tubes placed between two vessel walls and being perpendicular to at least one of said walls

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Patents Grantslast 30 patents

Information Patent Grant
3404213
- Patent number 3,404,213
- Issue date Oct 1, 1968
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
2824988
- Patent number 2,824,988
- Issue date Feb 25, 1958
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
2427711
- Patent number 2,427,711
- Issue date Sep 23, 1947
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
2210131
- Patent number 2,210,131
- Issue date Aug 6, 1940
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
2191346
- Patent number 2,191,346
- Issue date Feb 20, 1940
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
2177502
- Patent number 2,177,502
- Issue date Oct 24, 1939
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
2173906
- Patent number 2,173,906
- Issue date Sep 26, 1939
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
2170648
- Patent number 2,170,648
- Issue date Aug 22, 1939
- H01 - BASIC ELECTRIC ELEMENTS