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Inventor

RITSKO JOSEPH E

US43 patents
⚠️ This page may combine multiple inventors who share the name “RITSKO JOSEPH E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

GTE PROD CORP

34 patents
US4731111AMar 15, 1988

Hydrometallurical process for producing finely divided spherical refractory metal based powders

GTE PROD CORP126 citations96
US5114471AMay 19, 1992

Hydrometallurgical process for producing finely divided spherical maraging steel powders

GTE PROD CORP37 citations92
US4913731AApr 3, 1990

Process of making prealloyed tungsten alloy powders

GTE PROD CORP29 citations92
US4859237AAug 22, 1989

Hydrometallurgical process for producing spherical maraging steel powders with readily oxidizable alloying elements

GTE PROD CORP33 citations92
US4802915AFeb 7, 1989

Process for producing finely divided spherical metal powders containing an iron group metal and a readily oxidizable metal

GTE PROD CORP50 citations92
US4787934ANov 29, 1988

Hydrometallurgical process for producing spherical maraging steel powders utilizing spherical powder and elemental oxidizable species

GTE PROD CORP37 citations92
US4778517AOct 18, 1988

Hydrometallurgical process for producing finely divided copper and copper alloy powders

GTE PROD CORP31 citations92
US4772315ASep 20, 1988

Hydrometallurgical process for producing finely divided spherical maraging steel powders containing readily oxidizable alloying elements

GTE PROD CORP45 citations92
US4731110AMar 15, 1988

Hydrometallurigcal process for producing finely divided spherical precious metal based powders

GTE PROD CORP49 citations92
US4695439ASep 22, 1987

Yttrium oxide stabilized zirconium oxide

GTE PROD CORP40 citations89
US4348224ASep 7, 1982

Method for producing cobalt metal powder

GTE PROD CORP25 citations82
US4233063ANov 11, 1980

Process for producing cobalt powder

GTE PROD CORP27 citations79
US4948527AAug 14, 1990

Method of making europium activated yttrium oxide phosphor

GTE PROD CORP22 citations78
US4927456AMay 22, 1990

Hydrometallurgical process for producing finely divided iron based powders

GTE PROD CORP15 citations74
US4900590AFeb 13, 1990

Method for producing aluminum oxide coated iron powder

GTE PROD CORP14 citations74
US4859236AAug 22, 1989

Process for producing molybdenum-ruthenium metal powder

GTE PROD CORP17 citations73
US4710368ADec 1, 1987

High purity high surface area alpha crystalline silicon nitride

GTE PROD CORP6 citations73
US4684400AAug 4, 1987

Method for controlling the oxygen content in agglomerated molybdenum powders

GTE PROD CORP7 citations73
US4537750AAug 27, 1985

Process for producing high purity tantalum oxide

GTE PROD CORP12 citations73
US4495158AJan 22, 1985

Process for the recovery of tantalum values

GTE PROD CORP11 citations73
US4490340ADec 25, 1984

Process for the recovery of high purity tantalum oxide

GTE PROD CORP15 citations73
US4214894AJul 29, 1980

Method for producing cobalt metal powder

GTE PROD CORP11 citations73
US4348231ASep 7, 1982

Method of recovering metal carbides

GTE PROD CORP9 citations72
US5102454AApr 7, 1992

Hydrometallurgical process for producing irregular shaped powders with readily oxidizable alloying elements

GTE PROD CORP3 citations63
US4900587AFeb 13, 1990

Method for producing aluminum oxide coated iron-aluminum alloy powder

GTE PROD CORP4 citations63
US4898749AFeb 6, 1990

Method for producing aluminum oxide coated cobalt powder

GTE PROD CORP2 citations63
US4792351ADec 20, 1988

Hydrometallurgical process for producing irregular morphology powders

GTE PROD CORP4 citations63
US4723993AFeb 9, 1988

Hydrometallurgical process for producing finely divided spherical low melting temperature metal based powders

GTE PROD CORP5 citations63
US4626422ADec 2, 1986

High purity high surface area silicon nitride

GTE PROD CORP6 citations62
US4578251AMar 25, 1986

Removal of chromium from cobalt

GTE PROD CORP5 citations62
US4482526ANov 13, 1984

Recovery of tungsten and molybdenum from sulfur-bearing material

GTE PROD CORP5 citations62
US4379126AApr 5, 1983

Process for recovering tungsten values from alkali solutions

GTE PROD CORP4 citations62
US5000785AMar 19, 1991

Method for controlling the oxygen content in agglomerated molybdenum powders

GTE PROD CORP4 citations61
US4255397AMar 10, 1981

Process for removing tungsten from cemented tungsten carbide

GTE PROD CORP6 citations61

GTE SYLVANIA INC

7 patents

LADD JUDITH A

1 patent

GTE PRODUCT CORP

1 patent