Average Co-Inventor Count = 1.09
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. American Piledriving Equipment, Inc. (5 from 59 patents)
2. Pileco Inc. (1 from 4 patents)
6 patents:
1. 9227225 - Bearing cooling system for vibratory devices
2. 7950877 - Clamp systems and methods for pile drivers and extractors
3. 7854571 - Systems and methods for handling piles
4. 7708499 - Clamp systems and methods for pile drivers and extractors
5. 7704017 - Friction shaft coupling with perpendicular adjustment
6. 7168890 - Eccentric vibration system with resonance control