Average Co-Inventor Count = 2.40
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. Spx International Limited (2 from 2 patents)
2 patents:
1. 9242661 - Railway point crank system
2. 8684318 - Mechanical lock