Ralph R. Sawtell

Person

Monroeville, PA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Metal matrix composites containing electrical insulators
- Patent number 6,003,221
- Issue date Dec 21, 1999
- Aluminum Company of America
- Ralph R. Sawtell
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
System for manufacturing metal matrix composites
- Patent number 5,934,357
- Issue date Aug 10, 1999
- Aluminum Company of America
- Ralph R. Sawtell
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Incorporating partially sintered preforms in metal matrix composites
- Patent number 5,775,403
- Issue date Jul 7, 1998
- Aluminum Company of America
- M. K. Premkumar
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Monolithic metal matrix composite
- Patent number 5,746,267
- Issue date May 5, 1998
- Aluminum Company of America
- David I. Yun
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Metal matrix composites containing electrical insulators
- Patent number 5,616,421
- Issue date Apr 1, 1997
- Aluminum Company of America
- Ralph R. Sawtell
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Fabricating metal matrix composites containing electrical insulators
- Patent number 5,570,502
- Issue date Nov 5, 1996
- Aluminum Company of America
- Ralph R. Sawtell
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method of producing structural metal matrix composite products from...
- Patent number 5,561,829
- Issue date Oct 1, 1996
- Aluminum Company of America
- Ralph R. Sawtell
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Fabrication of metal matrix composites by vacuum die casting
- Patent number 5,259,436
- Issue date Nov 9, 1993
- Aluminum Company of America
- David I. Yun
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Superplastic aluminum products and alloys
- Patent number 5,055,257
- Issue date Oct 8, 1991
- Aluminum Company of America
- Dhruba J. Chakrabarti
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Composite materials having improved fracture toughness
- Patent number 4,939,032
- Issue date Jul 3, 1990
- Aluminum Company of America
- Jocelyn I. Petit
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Aluminum-lithium alloys having improved corrosion resistance
- Patent number 4,897,126
- Issue date Jan 30, 1990
- Aluminum Company of America
- Philip E. Bretz
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Superplastic aluminum products and alloys
- Patent number 4,874,440
- Issue date Oct 17, 1989
- Aluminum Company of America
- Ralph R. Sawtell
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Aluminum-lithium alloys
- Patent number 4,844,750
- Issue date Jul 4, 1989
- Aluminum Company of America
- Chul Won Cho
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Aluminum-lithium alloys and method of making the same
- Patent number 4,806,174
- Issue date Feb 21, 1989
- Aluminum Company of America
- Chul W. Cho
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Aluminum-lithium alloys having improved corrosion resistance and me...
- Patent number 4,797,165
- Issue date Jan 10, 1989
- Aluminum Company of America
- Philip E. Bretz
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Alloy having improved fatigue crack growth resistance
- Patent number 4,693,747
- Issue date Sep 15, 1987
- Aluminum Company of America
- Philip E. Bretz
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Superplastic aluminum alloys containing scandium
- Patent number 4,689,090
- Issue date Aug 25, 1987
- Aluminum Company of America
- Ralph R. Sawtell
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Aluminum-lithium alloys and method
- Patent number 4,648,913
- Issue date Mar 10, 1987
- Aluminum Company of America
- Warren H. Hunt
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Aging process for 7000 series aluminum base alloys
- Patent number 4,431,467
- Issue date Feb 14, 1984
- Aluminum Company of America
- James T. Staley
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Ralph R. Sawtell

Person

Patents Grantslast 30 patents

Metal matrix composites containing electrical insulators

System for manufacturing metal matrix composites

Incorporating partially sintered preforms in metal matrix composites

Monolithic metal matrix composite

Metal matrix composites containing electrical insulators

Fabricating metal matrix composites containing electrical insulators

Method of producing structural metal matrix composite products from...

Fabrication of metal matrix composites by vacuum die casting

Superplastic aluminum products and alloys

Composite materials having improved fracture toughness

Aluminum-lithium alloys having improved corrosion resistance

Superplastic aluminum products and alloys

Aluminum-lithium alloys

Aluminum-lithium alloys and method of making the same

Aluminum-lithium alloys having improved corrosion resistance and me...

Alloy having improved fatigue crack growth resistance

Superplastic aluminum alloys containing scandium

Aluminum-lithium alloys and method

Aging process for 7000 series aluminum base alloys