Average Co-Inventor Count = 3.35
ph-index = 4
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. Vossloh-werke Gmbh (8 from 46 patents)
2. Wirthwein Ag (1 from 3 patents)
9 patents:
1. 9103073 - System for fastening a rail, and fastening of a rail on a substrate
2. 8840036 - Screw anchor for rail attachments
3. 8763924 - Rail web damping to reduce sound on rail lines
4. 8181887 - Device for positionally securing and guiding rails for railway tracks
5. 7854392 - System for fastening a rail for a rail vehicle
6. 7234647 - Damping device for rails
7. 4718603 - Anchor for a railway tie embedded in ballast
8. 4718604 - Clamp and fastening arrangement for rails
9. 4705215 - Arrangement for securing railway rails onto sleepers