Average Co-Inventor Count = 1.33
ph-index = 1
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. Trion Corporation (1 from 36 patents)
2. Roberts Company (1 from 2 patents)
2 patents:
1. 5080699 - Filter apparatus
2. 3952495 - Tension pulley assembly for textile spinning machines