Essen
Germany
6
2013-03-07
The entities that hold a legal rights for patent applications filed by inventor Graff Alfred:
Alfred Graff from Essen, DE has applied for patents for these inventions. The list has both pending applications and granted patents:
Leakage flux probe for non-destructive leakage flux-testing of bodies consisting of magnetisable material
#2 | 2012-06-07Ultrasonic probe
#3 | 2010-09-02Device for nondestructive testing of pipes
#4 | 2009-01-01Device for the ultrasonic inspection of the weld seam of longitudinally welded pipes for defects
#5 | 2005-08-23Device for ultrasonic weld seam testing of longitudinally welded pipes for longitudinal and transversal errors
#6 | 2005-01-18Method of detecting discontinuities on elongated workpieces
123897 ⎘