Alfred Graff

Person

Essen, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Leakage flux probe for non-destructive leakage flux-testing of bodi...
- Patent number 9,322,805
- Issue date Apr 26, 2016
- Vallourec Deutshcland GmbH
- Ashraf Koka
- G01 - MEASURING TESTING
Information Patent Grant
Ultrasonic probe
- Patent number 8,756,999
- Issue date Jun 24, 2014
- Salzgitter Mannesmann Line Pipe GmbH
- Alfred Graff
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Device for nondestructive testing of pipes
- Patent number 8,344,725
- Issue date Jan 1, 2013
- V & M Deutschland GmbH
- Gert Fischer
- G01 - MEASURING TESTING
Information Patent Grant
Device for the ultrasonic inspection of the weld seam of longitudin...
- Patent number 7,861,591
- Issue date Jan 4, 2011
- Mannesmann Fuchs Rohr GmbH
- Hans-Joachim Rath
- G01 - MEASURING TESTING
Information Patent Grant
Device for ultrasonic weld seam testing of longitudinally welded pi...
- Patent number 6,931,931
- Issue date Aug 23, 2005
- Mannesmannröhren-Werke AG
- Alfred Graff
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method of detecting discontinuities on elongated workpieces
- Patent number 6,843,131
- Issue date Jan 18, 2005
- Mannesmannröhren
- Alfred Graff
- G01 - MEASURING TESTING
Information Patent Grant
Modifiable electrodynamic ultrasonic transducer
- Patent number 5,421,203
- Issue date Jun 6, 1995
- Mannesmann Aktiengesellschaft
- Alfred Graff
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information Patent Grant
Electrodynamic permanent magnet transducer
- Patent number 5,164,921
- Issue date Nov 17, 1992
- Mannesmann AG
- Alfred Graff
- G01 - MEASURING TESTING
Information Patent Grant
Electrodynamic ultrasonic transducer
- Patent number 5,148,414
- Issue date Sep 15, 1992
- Mannesmann Aktiengesellschaft
- Alfred Graff
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information Patent Grant
Electrodynamic transducer head
- Patent number 5,050,703
- Issue date Sep 24, 1991
- Mannesmann Aktiengesellschaft
- Alfred Graff
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
LEAKAGE FLUX PROBE FOR NON-DESTRUCTIVE LEAKAGE FLUX-TESTING OF BODI...
- Publication number 20130057269
- Publication date Mar 7, 2013
- V & M DEUTSCHLAND GMBH
- Ashraf Koka
- G01 - MEASURING TESTING
Information Patent Application
ULTRASONIC PROBE
- Publication number 20120137779
- Publication date Jun 7, 2012
- Salzgitter Mannesmann Line Pipe GMBH
- Alfred Graff
- G01 - MEASURING TESTING
Information Patent Application
DEVICE FOR NONDESTRUCTIVE TESTING OF PIPES
- Publication number 20100219818
- Publication date Sep 2, 2010
- V & M DEUTSCHLAND GMBH
- GERT FISCHER
- G01 - MEASURING TESTING
Information Patent Application
Device for the Ultrasonic Inspection of the Weld Seam of Longitudin...
- Publication number 20090000379
- Publication date Jan 1, 2009
- MANNESMANN FUCHS ROHR GMBH
- Hans-Joachim Rath
- G01 - MEASURING TESTING
Information Patent Application
Device for ultrasonic weld seam testing of longitudinally welded pi...
- Publication number 20040237653
- Publication date Dec 2, 2004
- Alfred Graff
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Method of detecting discontiuities on elongated workpieces
- Publication number 20030233879
- Publication date Dec 25, 2003
- MANNESMANNROHREN-WERKE AG
- Alfred Graff
- G01 - MEASURING TESTING

Alfred Graff

Person

Patents Grantslast 30 patents

Leakage flux probe for non-destructive leakage flux-testing of bodi...

Ultrasonic probe

Device for nondestructive testing of pipes

Device for the ultrasonic inspection of the weld seam of longitudin...

Device for ultrasonic weld seam testing of longitudinally welded pi...

Method of detecting discontinuities on elongated workpieces

Modifiable electrodynamic ultrasonic transducer

Electrodynamic permanent magnet transducer

Electrodynamic ultrasonic transducer

Electrodynamic transducer head

Patents Applicationslast 30 patents

LEAKAGE FLUX PROBE FOR NON-DESTRUCTIVE LEAKAGE FLUX-TESTING OF BODI...

ULTRASONIC PROBE

DEVICE FOR NONDESTRUCTIVE TESTING OF PIPES

Device for the Ultrasonic Inspection of the Weld Seam of Longitudin...

Device for ultrasonic weld seam testing of longitudinally welded pi...

Method of detecting discontiuities on elongated workpieces