Average Co-Inventor Count = 2.25
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. Hubner Gummi Und Kunststoff Gmbh (2 from 19 patents)
2. Linke-hofmann-busch Gmbh (1 from 6 patents)
3 patents:
1. 5031544 - Railroad car connection assembly with movable platform adjustably
2. 5010614 - Articulated bridge gangway between railroad cars
3. 4802417 - Gangway for a railway car passageway