| Patent | Date |
|---|
Methods of making high performance compacts and products
Grant 4,954,170 - Fey , et al. September 4, 1 | 1990-09-04 |
Arc-heated plasma lance
Grant 4,668,853 - Fey , et al. May 26, 1 | 1987-05-26 |
Electric arc heater process and apparatus for the decomposition of hazardous materials
Grant 4,582,004 - Fey , et al. April 15, 1 | 1986-04-15 |
Apparatus and process for reduction of metal oxides
Grant 4,571,259 - Fey , et al. February 18, 1 | 1986-02-18 |
High power arc heater
Grant 4,535,225 - Wolf , et al. August 13, 1 | 1985-08-13 |
Electric arc fired cupola for remelting of metal chips
Grant 4,530,101 - Fey , et al. July 16, 1 | 1985-07-16 |
Magnetic field stabilized transferred arc furnace
Grant 4,495,625 - Heberlein , et al. January 22, 1 | 1985-01-22 |
Method and apparatus for electrically firing an iron blast furnace
Grant 4,247,732 - Fey January 27, 1 | 1981-01-27 |
Production of high purity silicon by a heterogeneous arc heater reduction
Grant 4,239,740 - Harvey, II , et al. December 16, 1 | 1980-12-16 |
Arc heater melting system
Grant 4,214,736 - Wolf , et al. July 29, 1 | 1980-07-29 |
Arc heater method for producing metal oxides
Grant 4,145,403 - Fey , et al. March 20, 1 | 1979-03-20 |
Titanium and zirconium production by arc heater
Grant 4,107,445 - Wolf , et al. August 15, 1 | 1978-08-15 |
Process for doping high purity silicon in an arc heater
Grant 4,102,766 - Fey July 25, 1 | 1978-07-25 |
High purity silicon production by arc heater reduction of silicon intermediates
Grant 4,102,764 - Harvey, II , et al. July 25, 1 | 1978-07-25 |
Titanium or zirconium reduction process by arc heater
Grant 4,080,194 - Fey March 21, 1 | 1978-03-21 |
Process for production of magnetite spheres with an arc heater
Grant 4,071,588 - Fey , et al. January 31, 1 | 1978-01-31 |
Polyphase arc heater system
Grant 4,013,867 - Fey March 22, 1 | 1977-03-22 |
Process for the reduction of complex metallic ores
Grant 3,997,333 - Fey December 14, 1 | 1976-12-14 |
Metal powder production by direct reduction in an arc heater
Grant 3,989,511 - Fey , et al. November 2, 1 | 1976-11-02 |
Arc Heater With Integral Fluid And Electrical Ducting And Quick Disconnect Facility
Grant 3,832,519 - Wolf , et al. August 27, 1 | 1974-08-27 |
Method Of Direct Ore Reduction Using A Short Cap Arc Heater
Grant 3,765,870 - Fey , et al. October 16, 1 | 1973-10-16 |
Arc Detecting Material Admission Apparatus For Use In Combination With An Electric Arc Heater
Grant 3,760,151 - Wolf , et al. September 18, 1 | 1973-09-18 |
Short Gap Electric Arc Heater With Opposing Gas Swirl
Grant 3,760,145 - Wolf , et al. September 18, 1 | 1973-09-18 |
Apparatus And Method Of Increasing Arc Voltage And Gas Enthalpy In A Self-stabilizing Arc Heater
Grant 3,663,792 - Fey May 16, 1 | 1972-05-16 |
Recurrent Arc Heating Process
Grant 3,629,553 - Fey , et al. December 21, 1 | 1971-12-21 |
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