Average Co-Inventor Count = 5.92
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. Otis Elevator Company (4 from 2,614 patents)
4 patents:
1. 10364128 - Method of installing a vertically extending member in an elevator system
2. 9604823 - Assembly for roping an elevator
3. 7857115 - Device for working on an escalator
4. 5894911 - Car door locking system