Average Co-Inventor Count = 3.79
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. Bwg Butzbacher Weichenbau Gmbh (5 from 19 patents)
2. Bwg Butzbacher Weichenbau Gmbh & Co. Kg (1 from 3 patents)
6 patents:
1. 6409092 - Superstructure construction
2. 6068196 - Expansion joint for part of a railway track
3. 6027034 - Superstructure construction
4. 5647280 - Rail line, in particular for a high-speed magnetic train
5. 5605281 - Rail support system
6. 5522570 - Rail section