Inventor

LANGE RENE

CH4 patents

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

CERBERUS AG

2 patents

US5424718AJun 13, 1995

IR intrusion detector using scattering to prevent false alarms

CERBERUS AG53 citations94

US5608220AMar 4, 1997

Infrared intrusion detector with a multi-layer mirror

CERBERUS AG16 citations71

SIEMENS BUILDING TECH AG

2 patents

US7091844B2Aug 15, 2006

Security system and danger sensor for monitoring danger parameters

SIEMENS BUILDING TECH AG3 citations55

US7075430B2Jul 11, 2006

Security system and danger sensor for monitoring danger parameters

SIEMENS BUILDING TECH AG1 citations44