Inventor
BLOMQVIST GUNNAR
FI10 patents
⚠️ This page may combine multiple inventors who share the name “BLOMQVIST GUNNAR”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KWH PIPE AB OY
6 patentsUS5591292AJan 7, 1997
Welding method in the manufacture of a spirally wound tube and a welding head for performing the method
KWH PIPE AB OY82 citations94
US5127442AJul 7, 1992
Plastic tube formed by spiral winding of hollow section
KWH PIPE AB OY70 citations94
US5431762AJul 11, 1995
Method for joining spirally wound thermoplastic pipes together
KWH PIPE AB OY17 citations72
US6666945B1Dec 23, 2003
Preparation of an end of a thermoplastics tube manufactured by spirally winding a hollow profile
KWH PIPE AB OY10 citations68
US6322653B1Nov 27, 2001
Method for joining spiral wound pipes
KWH PIPE AB OY7 citations68
US5411619AMay 2, 1995
Method for manufacturing a joint pipe
KWH PIPE AB OY19 citations66