Clifford R. Pierce

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Perkasie, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Sealed insulating wall for a furnace
- Patent number 4,850,863
- Issue date Jul 25, 1989
- Vacuum Furnaces System Corporation
- Clifford R. Pierce
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
Reversible, adjustable, stackable loading grid assembly
- Patent number 4,813,554
- Issue date Mar 21, 1989
- Vacuum Furnace Systems Corporation
- Clifford R. Pierce
- C21 - METALLURGY OF IRON
Information Patent Grant
Hot zone arrangement for use in a vacuum furnace
- Patent number 4,512,737
- Issue date Apr 23, 1985
- Vacuum Furnace Systems Corporation
- Clifford R. Pierce
- F27 - FURNACES KILNS OVENS RETORTS