Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Method and a door drive unit for defining tension of a belt of an automatic door

Method and a door drive unit for defining tension of a belt of an automatic door

US Patent 12421083 · Granted Sep 23, 2025

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Solution for detecting an arrival of a maintenance person to a maintenance site2025
Method for diagnosis and/or maintenance of a transportation system, and software2025
Method for preventive maintenance of an elevator and an elevator system2023
Automatic fault clearing for elevators, escalators and automatic doors2023
Method for controlling an elevator2022
Deployment of a controller in an elevator2021
Automatic fault clearing for elevators, escalators and automatic doors2021
Remote configuration of elevators, escalators and automatic doors2021
Method for diagnosis and/or maintenance of a transportation system, and software2021
Remote fault clearing for elevators, escalators, and automatic doors2021
Method for maintenance of a transportation device, software program, and control2020
Method for maintenance of a frequency converter and software program realizing t2020