Average Co-Inventor Count = 2.77
ph-index = 1
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. Gunderson, Inc. (3 from 85 patents)
3 patents:
1. 12509129 - Large plate tilt railroad car
2. 12286141 - Hopper railroad car having top hatch cover assembly
3. 12005937 - Configurable railroad car