Average Co-Inventor Count = 1.33
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. Progress Rail Services Corporation (2 from 119 patents)
2 patents:
1. 12152351 - Track rail fastening system having cantilevered third rail support bracket and direct fixation fastener assembly for same
2. 11680374 - Direct fixation fastener assembly for track rail having molded support block and method of making same