Average Co-Inventor Count = 2.00
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. Isover Saint-gobain (2 from 148 patents)
2 patents:
1. 4928898 - Compression coiling machine
2. 4765554 - Relating to compression type rolling machines