1
Mark P D Evelyn, Robert V Leonelli Jr, Peter S Allison, Kristi J Narang, Robert A Giddings: High pressure/high temperature apparatus with improved temperature control for crystal growth. General Electric Company, September 5, 2006: US07101433 (36 worldwide citation)

A high temperature/high pressure (HP/HT) apparatus for converting feedstock housed in a capsule into product crystals, comprising at least two electrical heating paths for independent control of both the mean temperature in the reaction cell and the temperature gradient across the reaction cell.


2
Svante Prochazka, Charles D Greskovich, Richard J Charles, Robert A Giddings: Sintering of silicon nitride using Be additive. General Electric Company, Jane M Binkowski, Joseph T Cohen, Charles T Watts, October 10, 1978: US04119689 (30 worldwide citation)

A particulate dispersion of silicon nitride and beryllium additive is formed into a green body and sintered at a temperature ranging from about 1900.degree. to about 2200.degree. C in a sintering atmosphere of nitrogen at superatmospheric pressure producing a sintered body with a density ranging fro ...


3
Milivoj K Brun, Robert A Giddings, Svante Prochazka: Silicon carbide composite with metal boride coated fiber reinforcement. General Electric Company, James Magee Jr, May 31, 1994: US05316851 (15 worldwide citation)

A composite is comprised of reinforcement fibers having a continuous coating of a metal diboride form the group consisting of titanium diboride, zirconium diboride, hafnium diboride, aluminum diboride, and mixtures thereof, and a molten silicon infiltration formed silicon carbide matrix. The reinfor ...


4
Svante Prochazka, Charles D Greskovich, Richard J Charles, Robert A Giddings: Sintering of silicon nitride using Mg and Be additives. General Electric Company, Jane M Binkowski, Joseph T Cohen, Charles T Watts, October 10, 1978: US04119475 (15 worldwide citation)

A particulate dispersion of silicon nitride, magnesium additive and beryllium additive is formed into a green body and sintered at a temperature ranging from about 1800.degree. C to about 2200.degree. C in a sintering atmosphere of nitrogen at superatmospheric pressure producing a sintered body with ...


5
Svante Prochazka, Charles D Greskovich, Richard J Charles, Robert A Giddings: Sintering of silicon nitride using Be additive. General Electric Company, Jane M Binkowski, James C Davis Jr, Leo I MaLossi, September 30, 1980: US04225356 (13 worldwide citation)

A particulate dispersion of silicon nitride and beryllium additive is formed into a green body and sintered at a temperature ranging from about 1900.degree. C. to about 2200.degree. C. in a sintering atmosphere of nitrogen at superatmospheric pressure producing a sintered body with a density ranging ...


6
Svante Prochazka, Charles D Greskovich, Richard J Charles, Robert A Giddings: Sintering of silicon nitride using Mg and Be additives. General Electric Company, Jane M Binkowski, Joseph T Cohen, Charles T Watts, October 10, 1978: US04119690 (13 worldwide citation)

A particulate dispersion of silicon nitride, magnesium additive and beryllium additive is formed into a green body and sintered at a temperature ranging from about 1800.degree. C to about 2200.degree. C in a sintering atmosphere of nitrogen at superatmospheric pressure producing a sintered body with ...


7
Richard L Hansen, Frederic F Ahlgren, Robert A Giddings: Method for quartz crucible fabrication. General Electric Company, January 7, 2003: US06502422 (5 worldwide citation)

A method for quartz crucible formation wherein an at least substantially enclosed chamber surrounds a crucible mold. The atmosphere in the chamber is controlled to include a desired gas or combination of gases at a positive pressure. The positive pressure is achieved because the total outflow of gas ...


8
Bernard Patrick Bewlay, Stephen Bancheri, Joan McKiever, Brian Ellis, Robert A Giddings: Crucible and facecoat compositions. General Electric Company, Heslin Rothenberg Farley & Mesiti P C, December 9, 2014: US08906292 (3 worldwide citation)

Crucible compositions and methods of using the crucible compositions to melt titanium and titanium alloys. More specifically, crucible compositions having intrinsic facecoats that are effective for melting titanium and titanium alloys for use in casting titanium-containing articles. Further embodime ...


9
Mark P D Evelyn, Robert V Leonelli, Peter S Allison, Kristi J Narang, Robert A Giddings: High pressure/high temperature apparatus with improved temperature control for crystal growth. General Electric Company, Hanh T Pham, GE Plastics 133794 2 60SD, July 15, 2004: US20040134415-A1

A high temperature/high pressure (HP/HT) apparatus for converting feedstock housed in a capsule into product crystals, comprising at least two electrical heating paths for independent control of both the mean temperature in the reaction cell and the temperature gradient across the reaction cell.