Average Co-Inventor Count = 3.08
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. Pandrol Limited (5 from 77 patents)
2. Vae Gmbh (3 from 20 patents)
3. Vae Eisenbahnsysteme Gmbh (3 from 14 patents)
4. Bwg Gmbh & Co. Kg (3 from 8 patents)
5. Other (1 from 832,880 patents)
6. Voestalpine Bwg Gmbh & Co. Kg (4 patents)
5 patents:
1. 8033480 - Arrangement for fastening railroad rails to a sleeper
2. 7874527 - Fastening rail in railway slide chair assembly
3. 7648080 - Rail fixing device
4. 6079631 - Rail-fastening assembly
5. 4104483 - Device suitable for use in a railway rail-and-fastening assembly to