Average Co-Inventor Count = 1.67
ph-index = 3
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. Progress Rail Services Corporation (4 from 119 patents)
2. General Electric Capital Corporation (1 from 54 patents)
5 patents:
1. 9932054 - Double point derail switch
2. 8001907 - System, method and apparatus for easer rail that mates with the uncut web of a running rail
3. 7793891 - Railway diamond crossing
4. 6971610 - Railway diamond wedge crossing with reversible beam castings
5. 6732980 - Railway frog wear component