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Karl GRAFF
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Columbus, OH, US
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last 30 patents
Information
Patent Grant
Devices for isolating acoustic vibrations in metalworking systems
Patent number
9,669,471
Issue date
Jun 6, 2017
CUMBERLAND & WESTERN RESOURCES, LLC
Matthew A. Short
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Ultrasonic excitation of segmented dies
Patent number
9,539,632
Issue date
Jan 10, 2017
Edison Welding Institute, Inc.
Karl Graff
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Sonotrode apparatus for use in ultrasonic additive manufacturing
Patent number
9,346,120
Issue date
May 24, 2016
Edison Welding Institute, Inc.
Karl F. Graff
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Aluminum end caps ultrasonically welded to end of aluminum tube
Patent number
7,819,302
Issue date
Oct 26, 2010
The Boeing Company
David R. Bolser
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
Information
Patent Application
SEGMENTED DIES FOR USE WITH ULTRASONICS
Publication number
20180154422
Publication date
Jun 7, 2018
EDISON WELDING INSTITUTE, INC.
Karl F. GRAFF
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
DEVICES FOR ISOLATING ACOUSTIC VIBRATIONS IN METALWORKING SYSTEMS
Publication number
20160067789
Publication date
Mar 10, 2016
EDISON WELDING INSTITUTE, INC.
Matthew A. SHORT
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
ULTRASONIC EXCITATION OF SEGMENTED DIES
Publication number
20160016219
Publication date
Jan 21, 2016
EDISON WELDING INSTITUTE, INC.
Karl GRAFF
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Aluminum end caps ultrasonically welded to end of aluminum tube
Publication number
20060071054
Publication date
Apr 6, 2006
David R. Bolser
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR