Average Co-Inventor Count = 1.60
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. Racine Railroad Products, Inc. (2 from 24 patents)
2. Energy Absorption Systems, Inc. (1 from 91 patents)
3. Didier Corporation (1 from 1 patent)
4 patents:
1. 6955304 - Anti-icing spray assembly
2. 4890558 - Anchor spreader
3. 4765098 - Rail cutting apparatus
4. 4378826 - Hydraulic log splitter