Average Co-Inventor Count = 1.00
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. Butler Manufacturing Company (2 from 113 patents)
2. Butler Manufacturing Corporation (1 from 5 patents)
3 patents:
1. 5632674 - Grain bin with side walls having integral vertical stiffeners and air
2. D378136 - Grain bin with side walls having integral vertical stiffeners and air
3. 5306057 - Latching cover for bulk storage structures