Inventor
HERRMANN HANS-DIETER
DE8 patents
⚠️ This page may combine multiple inventors who share the name “HERRMANN HANS-DIETER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HUELS CHEMISCHE WERKE AG
7 patentsUS5512342AApr 30, 1996
Multilayer plastic pipe
HUELS CHEMISCHE WERKE AG62 citations96
US5500263AMar 19, 1996
Multilayer plastic pipe
HUELS CHEMISCHE WERKE AG89 citations96
US5474822ADec 12, 1995
Multilayer plastic pipe
HUELS CHEMISCHE WERKE AG58 citations96
US5449024ASep 12, 1995
Multilayer plastic pipe
HUELS CHEMISCHE WERKE AG53 citations96
US5404915AApr 11, 1995
Multilayer plastic pipe
HUELS CHEMISCHE WERKE AG59 citations96
US5313987AMay 24, 1994
Multilayer plastic pipe comprising an outer polyamide layer and a layer of a molding formed from a mixture of thermoplastic polyester and a compound having at least two isocyanate groups
HUELS CHEMISCHE WERKE AG75 citations96
US5478620ADec 26, 1995
Multilayer plastic pipe
HUELS CHEMISCHE WERKE AG36 citations91