Fred W. Ripley

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Perkasie, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Quenching arrangement for a furnace
- Patent number 5,121,903
- Issue date Jun 16, 1992
- Vacuum Furnace Systems Corporation
- Fred W. Ripley
- C21 - METALLURGY OF IRON
Information Patent Grant
Maintenance arrangement for a furnace
- Patent number 5,109,917
- Issue date May 5, 1992
- Vacuum Furnace Systems Corporation
- Fred W. Ripley
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
Hot zone arrangement for a vacuum furnace
- Patent number 4,765,068
- Issue date Aug 23, 1988
- Vacuum Furnace Systems Corporation
- Fred W. Ripley
- F26 - DRYING
Information Patent Grant
Gas duct arrangement for a vacuum furnace
- Patent number 4,395,832
- Issue date Aug 2, 1983
- Vacuum Furnace System Corporation
- William R. Jones
- F27 - FURNACES KILNS OVENS RETORTS