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Stephen N. Hammond
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Brownsburg, IN, US
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Patents Grants
last 30 patents
Information
Patent Grant
Gas turbine engine centrifugal impeller
Patent number
8,241,005
Issue date
Aug 14, 2012
Rolls-Royce North American Technologies, Inc.
Calvin W. Emmerson
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method and apparatus for electrospark alloying
Patent number
6,417,477
Issue date
Jul 9, 2002
Rolls-Royce Corporation
Lawrence E. Brown
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method and apparatus for expansion forming a workpiece using an ext...
Patent number
6,338,189
Issue date
Jan 15, 2002
Allison Engine Company, Inc
Raymond Ruiwen Xu
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
High temperature brazing fixture
Patent number
6,129,257
Issue date
Oct 10, 2000
Allison Engine Company, Inc
Raymond Ruiwen Xu
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method for depositing braze alloy to base metal surfaces using elec...
Patent number
5,102,031
Issue date
Apr 7, 1992
General Motors Corporation
Peter W. Heitman
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method for joining single crystal turbine blade halves
Patent number
5,071,059
Issue date
Dec 10, 1991
General Motors Corporation
Peter W. Heitman
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
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Patent Application
Gas turbine engine centrifugal impeller
Publication number
20100098546
Publication date
Apr 22, 2010
Rolls-Royce North American Technologies, Inc.
Calvin W. Emmerson
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR