Ratnesh K. Dwivedi

Person

Thornton, PA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Microporous metal parts
- Patent number 7,682,704
- Issue date Mar 23, 2010
- Southco, Inc.
- Ratnesh K. Dwivedi
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Process for forming microporous metal parts
- Patent number 6,759,004
- Issue date Jul 6, 2004
- Southco, Inc.
- Ratnesh K. Dwivedi
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Methods for making preforms for composite formation processes
- Patent number 5,667,742
- Issue date Sep 16, 1997
- Lanxide Technology Company, LP
- Ratnesh Kumar Dwivedi
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Methods for fabricating shapes by use of organometallic, ceramic pr...
- Patent number 5,641,817
- Issue date Jun 24, 1997
- Lanxide Technology Company, LP
- Michael Kevork Aghajanian
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Brake rotors and methods for making the same
- Patent number 5,620,791
- Issue date Apr 15, 1997
- Lanxide Technology Company, LP
- Ratnesh K. Dwivedi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Flotation process for the formation of metal matrix composite bodies
- Patent number 5,529,109
- Issue date Jun 25, 1996
- Lanxide Technology Company, LP
- Ratnesh K. Dwivedi
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Brake rotors, clutch plates and like parts and methods for making t...
- Patent number 5,526,914
- Issue date Jun 18, 1996
- Lanxide Technology Company, LP
- Ratnesh K. Dwivedi
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Barrier materials for making metal matrix composites
- Patent number 5,505,248
- Issue date Apr 9, 1996
- Lanxide Technology Company, LP
- Michael K. Aghajanian
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Macrocomposite bodies and production methods
- Patent number 5,501,263
- Issue date Mar 26, 1996
- Lanxide Technology Company, LP
- Ratnesh K. Dwivedi
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Methods for fabricating shapes by use of organometallic, ceramic pr...
- Patent number 5,433,261
- Issue date Jul 18, 1995
- Lanxide Technology Company, LP
- Jonathan W. Hinton
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Additives for property modification in ceramic composite bodies
- Patent number 5,403,790
- Issue date Apr 4, 1995
- Lanxide Technology Company, LP
- Terry D. Claar
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method of making ceramic composite articles and articles made thereby
- Patent number 5,382,458
- Issue date Jan 17, 1995
- Lanxide Technology Company, LP
- Ratnesh K. Dwivedi
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Porous ceramic composite with dense surface
- Patent number 5,304,520
- Issue date Apr 19, 1994
- Lanxide Technology Company, LP
- Ratnesh K. Dwivedi
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Method for forming a metal matrix composite body by an outside-in s...
- Patent number 5,267,601
- Issue date Dec 7, 1993
- Lanxide Technology Company, LP
- Ratnesh K. Dwivedi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for producing composite ceramic structures
- Patent number 5,268,340
- Issue date Dec 7, 1993
- Lanxide Technology Company, LP
- Marc S. Newkirk
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Methods of producing ceramic and ceramic composite bodies
- Patent number 5,262,203
- Issue date Nov 16, 1993
- Lanxide Technology Company, LP
- Harold D. Lesher
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Method of making ceramic composite articles
- Patent number 5,254,365
- Issue date Oct 19, 1993
- Lanxide Technology Company, LP
- Ratnesh K. Dwivedi
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Method of forming macrocomposite bodies by self-generated vacuum te...
- Patent number 5,247,986
- Issue date Sep 28, 1993
- Lanxide Technology Company, LP
- Robert C. Kantner
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Self-supporting ceramic bodies with altered microstructures
- Patent number 5,227,348
- Issue date Jul 13, 1993
- Lanxide Technology Company, LP
- Robert C. Kantner
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method of forming metal matrix composite bodies by a self-generated...
- Patent number 5,224,533
- Issue date Jul 6, 1993
- Lanxide Technology Company, LP
- Robert C. Kantner
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Modified ceramic structures
- Patent number 5,204,299
- Issue date Apr 20, 1993
- Lanxide Technology Company, LP
- Ratnesh K. Dwivedi
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Method of forming macrocomposite bodies by self-generated vacuum te...
- Patent number 5,188,164
- Issue date Feb 23, 1993
- Lanxide Technology Company, LP
- Robert C. Kantner
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method of forming metal matrix composite bodies having complex shap...
- Patent number 5,163,498
- Issue date Nov 17, 1992
- Lanxide Technology Company, LP
- Robert C. Kantner
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Composite ceramic structures
- Patent number 5,141,902
- Issue date Aug 25, 1992
- Lanxide Technology Company, LP
- Marc S. Newkirk
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Porous ceramic composite with dense surface
- Patent number 5,139,977
- Issue date Aug 18, 1992
- Lanxide Technology Company, LP
- Ratnesh K. Dwivedi
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Methods of producing ceramic and ceramic composite bodies
- Patent number 5,120,580
- Issue date Jun 9, 1992
- Lanxide Technology Company, LP
- Harold D. Lesher
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Self-supporting ceramic bodies with altered microstructures
- Patent number 5,084,425
- Issue date Jan 28, 1992
- Lanxide Technology Company, LP
- Robert C. Kantner
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method of making ceramic composite articles and articles made thereby
- Patent number 5,082,700
- Issue date Jan 21, 1992
- Lanxide Technology Company, LP
- Ratnesh K. Dwivedi
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Modified ceramic structures and methods of making the same
- Patent number 5,063,185
- Issue date Nov 5, 1991
- Lanxide Technology Company, LP
- Ratnesh K. Dwivedi
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Composite ceramic structures
- Patent number 5,053,367
- Issue date Oct 1, 1991
- Lanxide Technology Company, LP
- Marc S. Newkirk
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents

Information Patent Application
Microporous metal parts
- Publication number 20040250653
- Publication date Dec 16, 2004
- Ratnesh K. Dwivedi
- B22 - CASTING POWDER METALLURGY

Ratnesh K. Dwivedi

Person

Patents Grantslast 30 patents

Microporous metal parts

Process for forming microporous metal parts

Methods for making preforms for composite formation processes

Methods for fabricating shapes by use of organometallic, ceramic pr...

Brake rotors and methods for making the same

Flotation process for the formation of metal matrix composite bodies

Brake rotors, clutch plates and like parts and methods for making t...

Barrier materials for making metal matrix composites

Macrocomposite bodies and production methods

Methods for fabricating shapes by use of organometallic, ceramic pr...

Additives for property modification in ceramic composite bodies

Method of making ceramic composite articles and articles made thereby

Porous ceramic composite with dense surface

Method for forming a metal matrix composite body by an outside-in s...

Method for producing composite ceramic structures

Methods of producing ceramic and ceramic composite bodies

Method of making ceramic composite articles

Method of forming macrocomposite bodies by self-generated vacuum te...

Self-supporting ceramic bodies with altered microstructures

Method of forming metal matrix composite bodies by a self-generated...

Modified ceramic structures

Method of forming macrocomposite bodies by self-generated vacuum te...

Method of forming metal matrix composite bodies having complex shap...

Composite ceramic structures

Porous ceramic composite with dense surface

Methods of producing ceramic and ceramic composite bodies

Self-supporting ceramic bodies with altered microstructures

Method of making ceramic composite articles and articles made thereby

Modified ceramic structures and methods of making the same

Composite ceramic structures

Patents Applicationslast 30 patents

Microporous metal parts