Average Co-Inventor Count = 3.20
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. Kone Corporation (3 from 1,038 patents)
2. O & K Rolltreppen Gmbh & Co. Kg (1 from 7 patents)
4 patents:
1. 8839942 - Method and device for monitoring the functioning of an escalator or of a moving walkway
2. 6758319 - Method for disconnecting transport systems and a security circuit for transport systems
3. 6666319 - Safety device for escalators and moving walkways
4. 5992604 - Switching arrangement for returning a people-conveying device to a state