Average Co-Inventor Count = 2.67
ph-index = 1
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. Thyssen Krupp Ag (2 from 681 patents)
2. Tk Elevator Innovation and Operations Gmbh (2 from 34 patents)
3. Thyssenkrupp Elevator Ag (1 from 75 patents)
4. Volkswagen Ag (3,232 patents)
5. Thyssenkrupp Elevator Innovation and Operations Ag (0 patent)
4 patents:
1. 11339028 - Synchronisation of door movements in a lift system
2. 11319188 - Drive arrangement comprising a moveable rail segment
3. 10710841 - Method for operating an elevator system and elevator system designed for performing the method
4. 10464782 - Lift system having a plurality of cars and a decentralised safety system