Graff; Alfred

Patent Applications and Registrations

Patent applications and USPTO patent grants for Graff; Alfred.The latest application filed is for "leakage flux probe for non-destructive leakage flux-testing of bodies consisting of magnetisable material".

Company Profile

0.12.7

Graff; Alfred - Essen DE

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Leakage flux probe for non-destructive leakage flux-testing of bodies consisting of magnetisable material Grant 9,322,805 - Koka , et al. April 26, 2	2016-04-26
Ultrasonic probe Grant 8,756,999 - Graff , et al. June 24, 2	2014-06-24
Leakage Flux Probe For Non-destructive Leakage Flux-testing Of Bodies Consisting Of Magnetisable Material App 20130057269 - Koka; Ashraf ; et al.	2013-03-07
Device for nondestructive testing of pipes Grant 8,344,725 - Fischer , et al. January 1, 2	2013-01-01
Ultrasonic Probe App 20120137779 - Graff; Alfred ; et al.	2012-06-07
Device for the ultrasonic inspection of the weld seam of longitudinally welded pipes for defects Grant 7,861,591 - Rath , et al. January 4, 2	2011-01-04
Device For Nondestructive Testing Of Pipes App 20100219818 - FISCHER; GERT ; et al.	2010-09-02
Device for the Ultrasonic Inspection of the Weld Seam of Longitudinally Welded Pipes for Defects App 20090000379 - Rath; Hans-Joachim ; et al.	2009-01-01
Device for ultrasonic weld seam testing of longitudinally welded pipes for longitudinal and transversal errors Grant 6,931,931 - Graff , et al. August 23, 2	2005-08-23
Method of detecting discontinuities on elongated workpieces Grant 6,843,131 - Graff , et al. January 18, 2	2005-01-18
Device for ultrasonic weld seam testing of longitudinally welded pipes for longitudinal and transversal errors App 20040237653 - Graff, Alfred ; et al.	2004-12-02
Method of detecting discontiuities on elongated workpieces App 20030233879 - Graff, Alfred ; et al.	2003-12-25
Modifiable electrodynamic ultrasonic transducer Grant 5,421,203 - Graff , et al. June 6, 1	1995-06-06
Electrodynamic permanent magnet transducer Grant 5,164,921 - Graff , et al. November 17, 1	1992-11-17
Electrodynamic ultrasonic transducer Grant 5,148,414 - Graff , et al. September 15, 1	1992-09-15
Electrodynamic transducer head Grant 5,050,703 - Graff , et al. September 24, 1	1991-09-24

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