Average Co-Inventor Count = 1.78
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. Usm Corporation (3 from 532 patents)
2. Farrel Corporation (1 from 26 patents)
4 patents:
1. 4714422 - Rotary plasticator screw injection machine
2. 4557683 - Rotary plasticator ram injection machine
3. 4431105 - Material feed unit for an injection molding machine
4. 4397630 - Apparatus for loading and injection unit of an injection molding machine