Average Co-Inventor Count = 4.21
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. Caterpillar Inc. (4 from 9,440 patents)
4 patents:
1. 6322473 - Drive sprocket which has rotating members which are engaged by drive lugs of a track
2. 6220378 - Drive mechanism for a track type work machine having enhanced durability
3. 6120405 - Drive sprocket which has rotating members which are engaged by drive
4. 5647439 - Implement control system for locating a surface interface and removing a