Joseph E. Ritsko

Person

Towanda, PA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Hydrometallurgical process for producing finely divided spherical m...
- Patent number 5,114,471
- Issue date May 19, 1992
- GTE Products Corporation
- Walter A. Johnson
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Hydrometallurgical process for producing irregular shaped powders w...
- Patent number 5,102,454
- Issue date Apr 7, 1992
- GTE Products Corporation
- Walter A. Johnson
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method for controlling the oxygen content in agglomerated molybdenu...
- Patent number 5,000,785
- Issue date Mar 19, 1991
- GTE Products Corporation
- David J. Port
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method for recovering chromium from chromium-bearing material
- Patent number 4,966,760
- Issue date Oct 30, 1990
- Judith A. Ladd
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method of making europium activated yttrium oxide phosphor
- Patent number 4,948,527
- Issue date Aug 14, 1990
- GTE Products Corporation
- Joseph E. Ritsko
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Hydrometallurgical process for producing finely divided iron based...
- Patent number 4,927,456
- Issue date May 22, 1990
- GTE Products Corporation
- Nelson E. Kopatz
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Process of making prealloyed tungsten alloy powders
- Patent number 4,913,731
- Issue date Apr 3, 1990
- GTE Products Corporation
- Nelson E. Kopatz
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method for producing aluminum oxide coated iron-aluminum alloy powder
- Patent number 4,900,587
- Issue date Feb 13, 1990
- GTE Products Corporation
- Joseph E. Ritsko
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method for producing aluminum oxide coated iron powder
- Patent number 4,900,590
- Issue date Feb 13, 1990
- GTE Products Corporation
- Joseph E. Ritsko
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method for producing aluminum oxide coated cobalt powder
- Patent number 4,898,749
- Issue date Feb 6, 1990
- GTE Products Corporation
- Joseph E. Ritsko
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Process for producing molybdenum-ruthenium metal powder
- Patent number 4,859,236
- Issue date Aug 22, 1989
- GTE Products Corporation
- Thomas J. Patrician
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Hydrometallurgical process for producing spherical maraging steel p...
- Patent number 4,859,237
- Issue date Aug 22, 1989
- GTE Products Corporation
- Walter A. Johnson
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Process for producing finely divided spherical metal powders contai...
- Patent number 4,802,915
- Issue date Feb 7, 1989
- GTE Products Corporation
- Nelson E. Kopatz
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Process for coating tungsten carbide with cobalt metal
- Patent number 4,801,472
- Issue date Jan 31, 1989
- GTE Product Corporation
- Joseph E. Ritsko
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Hydrometallurgical process for producing irregular morphology powders
- Patent number 4,792,351
- Issue date Dec 20, 1988
- GTE Products Corporation
- Walter A. Johnson
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Hydrometallurgical process for producing spherical maraging steel p...
- Patent number 4,787,934
- Issue date Nov 29, 1988
- GTE Products Corporation
- Walter A. Johnson
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Hydrometallurgical process for producing finely divided spherical m...
- Patent number 4,772,315
- Issue date Sep 20, 1988
- GTE Products Corporation
- Walter A. Johnson
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Hydrometallurigcal process for producing finely divided spherical p...
- Patent number 4,731,110
- Issue date Mar 15, 1988
- GTE Products Corp.
- Nelson E. Kopatz
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Hydrometallurical process for producing finely divided spherical re...
- Patent number 4,731,111
- Issue date Mar 15, 1988
- GTE Products Corporation
- Nelson E. Kopatz
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Hydrometallurgical process for producing finely divided spherical l...
- Patent number 4,723,993
- Issue date Feb 9, 1988
- GTE Products Corporation
- Nelson E. Kopatz
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
High purity high surface area alpha crystalline silicon nitride
- Patent number 4,710,368
- Issue date Dec 1, 1987
- GTE Products Corporation
- Joseph E. Ritsko
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Yttrium oxide stabilized zirconium oxide
- Patent number 4,695,439
- Issue date Sep 22, 1987
- GTE Products Corporation
- Joseph E. Ritsko
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for controlling the oxygen content in agglomerated molybdenu...
- Patent number 4,684,400
- Issue date Aug 4, 1987
- GTE Products Corporation
- Joseph E. Ritsko
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
High purity high surface area silicon nitride
- Patent number 4,626,422
- Issue date Dec 2, 1986
- GTE Products Corporation
- Joseph E. Ritsko
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Removal of chromium from cobalt
- Patent number 4,578,251
- Issue date Mar 25, 1986
- GTE Products Corporation
- Joseph E. Ritsko
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for producing high purity tantalum oxide
- Patent number 4,537,750
- Issue date Aug 27, 1985
- GTE Products Corporation
- Joseph E. Ritsko
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for the recovery of tantalum values
- Patent number 4,495,158
- Issue date Jan 22, 1985
- GTE Products Corporation
- Joseph E. Ritsko
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for the recovery of high purity tantalum oxide
- Patent number 4,490,340
- Issue date Dec 25, 1984
- GTE Products Corporation
- Joseph E. Ritsko
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Recovery of tungsten and molybdenum from sulfur-bearing material
- Patent number 4,482,526
- Issue date Nov 13, 1984
- GTE Products Corporation
- Joseph E. Ritsko
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for recovering tungsten values from alkali solutions
- Patent number 4,379,126
- Issue date Apr 5, 1983
- GTE Products Corporation
- Tai K. Kim
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Joseph E. Ritsko

Person

Patents Grantslast 30 patents

Hydrometallurgical process for producing finely divided spherical m...

Hydrometallurgical process for producing irregular shaped powders w...

Method for controlling the oxygen content in agglomerated molybdenu...

Method for recovering chromium from chromium-bearing material

Method of making europium activated yttrium oxide phosphor

Hydrometallurgical process for producing finely divided iron based...

Process of making prealloyed tungsten alloy powders

Method for producing aluminum oxide coated iron-aluminum alloy powder

Method for producing aluminum oxide coated iron powder

Method for producing aluminum oxide coated cobalt powder

Process for producing molybdenum-ruthenium metal powder

Hydrometallurgical process for producing spherical maraging steel p...

Process for producing finely divided spherical metal powders contai...

Process for coating tungsten carbide with cobalt metal

Hydrometallurgical process for producing irregular morphology powders

Hydrometallurgical process for producing spherical maraging steel p...

Hydrometallurgical process for producing finely divided spherical m...

Hydrometallurigcal process for producing finely divided spherical p...

Hydrometallurical process for producing finely divided spherical re...

Hydrometallurgical process for producing finely divided spherical l...

High purity high surface area alpha crystalline silicon nitride

Yttrium oxide stabilized zirconium oxide

Method for controlling the oxygen content in agglomerated molybdenu...

High purity high surface area silicon nitride

Removal of chromium from cobalt

Process for producing high purity tantalum oxide

Process for the recovery of tantalum values

Process for the recovery of high purity tantalum oxide

Recovery of tungsten and molybdenum from sulfur-bearing material

Process for recovering tungsten values from alkali solutions