Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Safety detection system for sliding doors

Safety detection system for sliding doors

US Patent 6051829 · Granted Apr 18, 2000

Estimated economic value: $67,420,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

System and method for remote emissions sensing including calculation and calibra2009
Exhaust opacity measuring device2007
Exhaust opacity measuring device2006
Exhaust opacity measuring device2004
Method and apparatus for detecting position of an elevator door2001
Safety system for detecting small objects approaching closing doors1999
Safety detection system for sliding doors1999
Half-duplex industrial communications system1986
Relative power contribution of an internal combustion engine1981
Relative exhaust back-pressure of an internal combustion engine1981
Snap acceleration test for an internal combustion engine1981
Relative manifold vacuum of an internal combustion engine1981