Average Co-Inventor Count = 3.35
ph-index = 4
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Otis Elevator Company (31 from 2,614 patents)
2. Carrier Corporation (3 from 3,945 patents)
3. Nippon Otis Elevator Company (1 from 5 patents)
34 patents:
1. 12428264 - Elevator management system that transmits combined operational and position data to an elevator management center
2. 12421079 - Elevator monitoring device with varying wireless transmission power based on elevator car position
3. 12384655 - Electrical power transmission to elevator system cars
4. 12297080 - Vibration monitoring beacon mode detection and transition
5. 12280987 - Device and method for monitoring an elevator system
6. 12162723 - Elevator car position determination
7. 12139374 - Method and device for monitoring an elevator system
8. 11964848 - Elevator pit monitoring and integrity check of monitoring system
9. 11912534 - Elevator pit safety net system
10. 11912533 - Vibration monitoring beacon mode detection and transition
11. 11851305 - Elevator pit safety net system
12. 11827074 - Transport refrigeration unit architecture and controls for smart grid optimization and integration
13. 11767194 - Elevator car and door motion monitoring
14. 11724910 - Monitoring of conveyance system vibratory signatures
15. 11613445 - Vibration monitoring beacon mode detection and transition