Average Co-Inventor Count = 3.00
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. Kugelfischer Georg Schafer & Co. (2 from 34 patents)
2 patents:
1. 4110962 - False twisting device
2. 3942313 - False twister