Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Automatic elevator calling system and a method for controlling automatic calling elevator

Automatic elevator calling system and a method for controlling automatic calling elevator

US Patent 11577930 · Granted Feb 14, 2023

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Display substrate and manufacturing method thereof, and display device2025
Display panel and method for manufacturing the same, and display apparatus2025
Display panel and display device2025
Display substrate and preparation method therefor, and display device2025
Display panel and display device2025
Display panel, preparation method thereof, and display device2025
Display device and manufacturing method thereof2025
Pixel circuit, driving method and display device2025
Display substrate and display device2025
Display panel and electronic device2025
Display panel and display apparatus2025
Display panel and display device2025