John K. Grier

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Walnut, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Vacuum furnace with movable hot zone
- Patent number 5,524,020
- Issue date Jun 4, 1996
- Grier-Jhawar-Mercer, Inc.
- Suresh C. Jhawar
- C21 - METALLURGY OF IRON
Information Patent Grant
Electric heater element support
- Patent number 5,497,394
- Issue date Mar 5, 1996
- Grier-Jhawar-Mercer, Inc.
- Suresh C. Jhawar
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Vacuum furnace with convection heating and cooling
- Patent number 5,267,257
- Issue date Nov 30, 1993
- Grier-Jhawar-Mercer, Inc.
- Suresh C. Jhawar
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
"Twist-lock" gas nozzle for a heat treating furnace
- Patent number 4,799,881
- Issue date Jan 24, 1989
- Grier-McGuire Inc.
- John K. Grier
- C21 - METALLURGY OF IRON
Information Patent Grant
Electric furnace heater mounting
- Patent number 4,771,166
- Issue date Sep 13, 1988
- Grier-McGuire, Inc.
- Dane T. McGuire
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR