Average Co-Inventor Count = 4.00
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. Bnsf Railway Company (4 from 184 patents)
2. Other (1 from 832,680 patents)
6 patents:
1. 12485940 - Automated tie marking
2. 12296874 - Automated tie marking
3. 12291248 - Automated tie marking
4. 12077197 - Automated tie marking
5. 11628869 - Automated tie marking
6. 11565730 - Automated tie marking