Average Co-Inventor Count = 1.14
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. Pennsylvania Pacific Corporation (3 from 7 patents)
2. Plastech International, Inc. (1 from 7 patents)
4 patents:
1. 4511154 - Tilt truck
2. 4416374 - Nest and stack container
3. 4398653 - Portable storage and dispenser plastic hopper with plastic base
4. 4280640 - Integral double-wall container