Average Co-Inventor Count = 1.29
ph-index = 2
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. Sutton Engineering Company (3 from 7 patents)
3 patents:
1. 4593552 - Butt shear with butt knocker
2. 4570473 - Extrusion press
3. 4103529 - Extrusion press for direct and indirect extruding with die shifter