Average Co-Inventor Count = 2.00
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. Fmc Corporation (3 from 2,509 patents)
2. Clark Material Handling Company (1 from 14 patents)
4 patents:
1. 5320197 - Sextuple upright
2. 4805968 - Vehicle track shoe with reinforcing grouser
3. 4726631 - Track compensator
4. 4574658 - Planetary final drive