Average Co-Inventor Count = 1.50
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. Power Planter, Inc. (2 from 2 patents)
2. Hydra Fold Auger, Inc. (1 from 1 patent)
3. Niewold, D. Wayne (0 patent)
3 patents:
1. 5746303 - Auger control
2. 5113952 - Auger planter method
3. 5067571 - Auger planter