Inventor · disambiguated record
Donald W. Eckart
Also filed as: ECKART DONALD W
24 granted patents·157 citations·filing 1988–2004
95Inventor score
Top patents by PatentIndex Score
24 records- 0176US5608282APiezoelectrically controlled superconducting switchUS ARMY·Filed 1995·Granted Mar 4, 1997·34 cites·5 claims
- 0266US7192661B1Rare earth metal compounds for use in high critical temperature thin film super-conducting antennasUS ARMY·Filed 2004·Granted Mar 20, 2007·4 cites·2 claims
- 0364US6827915B1Rare earth metal compounds for use in high critical temperature thin film super-conductors, ferroelectrics, pyroelectrics, piezoelectrics, and hybridsUS ARMY·Filed 2001·Granted Dec 7, 2004·6 cites·13 claims
- 0463US4957463AMethod 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
- 0560US5814584ACompound in the series A2 MeSbO6 for use as substrates barrier-dielectric layers and passivating layers in high critical temperature superconducting devicesUS ARMY·Filed 1995·Granted Sep 29, 1998·25 cites·2 claims
- 0654US7336981B1Rare earth metal compounds for use in high critical temperature Josephson junctionsUS ARMY·Filed 2004·Granted Feb 26, 2008·1 cites·6 claims
- 0753US4840767AMethod 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
- 0850US4818480AMethod 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
- 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
- 1241US5298830AMethod of preparing an impregnated cathode with an enhanced thermionic emission from a porous billet and cathode so preparedUS ARMY·Filed 1992·Granted Mar 29, 1994·5 cites·4 claims
- 1339US5828164AThermionic cathode using oxygen deficient and fully oxidized material for high electron density emissionsUS ARMY·Filed 1996·Granted Oct 27, 1998·3 cites·54 claims
- 1438US5114742APreparing 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
- 1537US5545945AThermionic cathodeUS ARMY·Filed 1995·Granted Aug 13, 1996·3 cites·9 claims
- 1636US4863410AMethod 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
- 1734US7312182B1Rare earth metal compounds for use in high critical temperature thin film super-conductorsUS ARMY·Filed 2004·Granted Dec 25, 2007·0 cites·4 claims
- 1831US7306855B1Rare earth metal compounds for use in high critical temperature thin film structures for super-conductors, ferroelectrics, pyroelectrics, piezoelectrics, and hybridsTAUBER ARTHUR·Filed 2004·Granted Dec 11, 2007·0 cites·28 claims
- 1931US5074818AMethod of making and improved scandate cathodeUS ARMY·Filed 1991·Granted Dec 24, 1991·3 cites·3 claims
- 2031US4911626AMethod 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
- 2130US5951352AMethods of making thermionic cathode using oxygen deficient and fully oxidized material to enhance emissionsUS ARMY·Filed 1998·Granted Sep 14, 1999·0 cites·53 claims
- 2230US5558905AMethod of making a pyroelectric film sensing deviceUS ARMY·Filed 1995·Granted Sep 24, 1996·2 cites·11 claims
- 2330US5022883AMethod 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
- 2429US5443684AMethod for measuring thin film thicknessUS ARMY·Filed 1994·Granted Aug 22, 1995·10 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →