Patents
.us
Search
Marketplace
Patent My Idea
Patents
/
Inventors
Helge Krambeck
Berlin
DE
2 patents
2 Patents
US12559349
2026
Elevator Safety Systems with Landing Door Monitoring
OTIS ELEVATOR COMPANY
0 cites
US11623841
2023
Elevator Safety System, Elevator System and Method of Operating an Elevator System
OTIS ELEVATOR COMPANY
0 cites