Average Co-Inventor Count = 2.25
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. Franz Plasser Bahnbaumaschinen-industrie-gesellschaft Mbh (2 from 395 patents)
2. Franz Plasser Bahnbaumaschinen Gesellschaft Mbh (1 from 1 patent)
3. Plasser & Theurer Export Von Bahnbaumaschinen Gesellśchaft M.b.h. (60 patents)
3 patents:
1. 8240253 - Method and machine for compressing ballast of a rail track
2. 7181851 - Method of tracking a track geometry
3. 6892648 - Bulk material storage car with sensor