Average Co-Inventor Count = 2.67
ph-index = 2
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 (1 from 1,038 patents)
2. O & K Rolltreppen Gmbh & Co. Kg (1 from 7 patents)
2 patents:
1. 6994204 - Device for heating escalators or moving walkways
2. 5992604 - Switching arrangement for returning a people-conveying device to a state