Inventor
PFEIFFER BERNHARD
DE12 patents
⚠️ This page may combine multiple inventors who share the name “PFEIFFER BERNHARD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HOECHST AG
7 patentsUS5736603AApr 7, 1998
Electrically conductive thermoplastic composite materials and a process for their preparation
HOECHST AG20 citations87
US5948518ASep 7, 1999
Electrically conductive shaped articles
HOECHST AG10 citations71
US5741384AApr 21, 1998
Process for making glass fiber-reinforced composite material
HOECHST AG16 citations71
US5725710AMar 10, 1998
Production of fiber-reinforced composites by pultrusion with thermoplastic powder pretreatment
HOECHST AG13 citations71
US5932324AAug 3, 1999
Material for producing electrically conducting connections in thermoplastic moldings
HOECHST AG3 citations61
US5658481AAug 19, 1997
Resistance heating element of thermoplastic materials
HOECHST AG4 citations59
US5692922ADec 2, 1997
Molding with electrical contact
HOECHST AG0 citations51
SIEMENS AG
3 patentsUS4845460AJul 4, 1989
Multipole low-voltage circuit breaker with an insulating material housing and arc-quenching chambers
SIEMENS AG21 citations81
US4845459AJul 4, 1989
Contact arrangement of a low-voltage circuit breaker with electro-dynamic breaking
SIEMENS AG13 citations72
US4930038AMay 29, 1990
Current overload tripping device with leading tripping action
SIEMENS AG1 citations51