Inventor · disambiguated record
Gerard L. Freeman
Also filed as: FREEMAN GERARD · FREEMAN GERARD L
17 granted patents·104 citations·filing 1982–1991
93Inventor score
Top patents by PatentIndex Score
17 records- 0163US4957463AMethod of making a long life high current density cathode from tungsten and iridium powders using a quaternary compound as the impregnantUS ARMY·Filed 1990·Granted Sep 18, 1990·17 cites·8 claims
- 0253US4840767AMethod of making a cathode from tungsten and iridium powders using a barium iridiate formed from barium peroxide and iridium oxide as the impregnantUS ARMY·Filed 1988·Granted Jun 20, 1989·8 cites·8 claims
- 0352US4735591AMethod of making a long life high current density cathode from tungsten and iridium powders using a barium iridiate as the impregnantUS ARMY·Filed 1987·Granted Apr 5, 1988·8 cites·7 claims
- 0451US4894257AMethod of overcoating a high current density cathode with rhodiumUS SEC AMERICA·Filed 1988·Granted Jan 16, 1990·8 cites·8 claims
- 0551US4444718AMethod of making a high current density cathodeUS ARMY·Filed 1982·Granted Apr 24, 1984·10 cites·6 claims
- 0650US4818480AMethod of making a cathode from tungsten and iridium powders using a barium peroxide containing material as the impregnantUS ARMY·Filed 1988·Granted Apr 4, 1989·7 cites·10 claims
- 0746US4708681AMethod of making a long lived high current density cathode from tungsten and iridium powdersUS ARMY·Filed 1987·Granted Nov 24, 1987·6 cites·5 claims
- 0844US4544535AMethod or preparing nonlaminating anisotropic boron nitrideUS ARMY·Filed 1985·Granted Oct 1, 1985·6 cites·8 claims
- 0943US4895699AMethod of making a cathode from tungsten and iridium powders using a reaction product from reacting barium peroxide with an excess of tungsten as the impregnantUS ARMY·Filed 1989·Granted Jan 23, 1990·5 cites·6 claims
- 1043US4872864AMethod of making a cathode from tungsten and aluminum powdersUS ARMY·Filed 1989·Granted Oct 10, 1989·5 cites·8 claims
- 1142US5007874AMethod of making a cathode from tungsten and iridium powders using a reaction product from reacting a group III A metal with barium peroxide as an impregnantUS ARMY·Filed 1990·Granted Apr 16, 1991·6 cites·9 claims
- 1238US5114742APreparing a scandate cathode by impregnating a porous tungsten billet with Ba3 Al2 O6, coating the top surface with a mixture of Sc6 WO12, Sc2 (WO4)3, and W in a 1:3:2 mole ratio, and heating in a vacuumUS ARMY·Filed 1991·Granted May 19, 1992·6 cites·3 claims
- 1336US4863410AMethod of making a long life high current density cathode from tungsten and iridium powders using a low melting point impregnantUS ARMY·Filed 1988·Granted Sep 5, 1989·3 cites·2 claims
- 1433US4808137AMethod of making a cathode from tungsten and iridium powders using a bariumaluminoiridiate as the impregnantUS ARMY·Filed 1988·Granted Feb 28, 1989·2 cites·8 claims
- 1531US5074818AMethod of making and improved scandate cathodeUS ARMY·Filed 1991·Granted Dec 24, 1991·3 cites·3 claims
- 1631US4911626AMethod of making a long life high current density cathode from tungsten and iridium powders using a mixture of barium peroxide and a coated emitter as the impregnantUS ARMY·Filed 1989·Granted Mar 27, 1990·3 cites·10 claims
- 1730US5022883AMethod of making a long life high current density cathode from aluminum oxide and tungsten oxide powdersUS ARMY·Filed 1990·Granted Jun 11, 1991·1 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →