Average Co-Inventor Count = 1.29
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. Other (2 from 832,812 patents)
2. Esco Corp. (1 from 177 patents)
3 patents:
1. 8572870 - Dragline bucket, rigging and system
2. 5414948 - Disk holder
3. 5403016 - Chip flipping game