Average Co-Inventor Count = 1.85
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. Allis-chalmers Corporation (4 from 532 patents)
4 patents:
1. 4440293 - Sling belt bulk material conveyor
2. 4378875 - Sling belt bulk material conveyor
3. 4351556 - Seat suspension
4. 4291857 - Vehicle seat suspension