Inventor

STRIPLING RALPH

DE4 patents

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

OTIS ELEVATOR CO

3 patents

US7249667B2Jul 31, 2007

Traffic flow indicator for a passenger conveyor

OTIS ELEVATOR CO13 citations82

US6626279B2Sep 30, 2003

Process for switching between main supply and a frequency inverter and vice versa for an escalator drive

OTIS ELEVATOR CO10 citations70

US7568570B2Aug 4, 2009

Safety monitoring system for a people conveyor

OTIS ELEVATOR CO7 citations69

SANSEVERO FRANK

1 patent

US8141693B2Mar 27, 2012

Combined traffic flow and maintenance information display for a passenger conveyor

SANSEVERO FRANK3 citations49