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 (1 from 832,843 patents)
2. Shivvers, Inc. (1 from 12 patents)
3. Shivvers Group, Inc. (1 from 9 patents)
3 patents:
1. 7574816 - Counter flow cooling drier with integrated heat recovery
2. 6988351 - Midmount mower apparatus with raiseable and accessible mower deck
3. 6923389 - Uniform grain spreader