Inventor

KNAUF GERHARD

DE3 patents

⚠️ This page may combine multiple inventors who share the name “KNAUF GERHARD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MANNESMANN AG

2 patents

US6435218B2Aug 20, 2002

Pipe with crack stopper feature, and process of protecting a pipe against propagation of cracks

MANNESMANN AG21 citations87

US6161425ADec 19, 2000

Process and device for checking a hollow body section

MANNESMANN AG11 citations67

MANNESMANN ROEHREN WERKE AG

1 patent

US6648209B2Nov 18, 2003

Process for producing welded steel pipes with a high degree of strength, ductility and deformability

MANNESMANN ROEHREN WERKE AG10 citations67