Herbert Greenewald Jr.

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Columbus, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Vapor nucleation method
- Patent number 4,153,449
- Issue date May 8, 1979
- Herbert Greenewald
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
Manufacture of carbides and the like
- Patent number 4,153,527
- Issue date May 8, 1979
- Herbert Greenewald
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Metal processing furnace and vapor nucleation method
- Patent number 4,080,509
- Issue date Mar 21, 1978
- Herbert Greenewald
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
Manufacture of carbides and the like
- Patent number 4,080,508
- Issue date Mar 21, 1978
- Herbert Greenewald
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Compacted refractory shapes
- Patent number 4,028,123
- Issue date Jun 7, 1977
- Herbert Greenewald
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Porous refractory shapes
- Patent number 4,028,122
- Issue date Jun 7, 1977
- Herbert Greenewald
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Indirect arc metal melting furnace method
- Patent number 3,975,578
- Issue date Aug 17, 1976
- Herbert Greenewald
- F27 - FURNACES KILNS OVENS RETORTS