Average Co-Inventor Count = 1.33
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. Compagnie Internationale Pour L'informatique Cii-honeywell Bull (societe (1 from 93 patents)
2. American Cast Iron Pipe Company (1 from 32 patents)
2 patents:
1. 4298634 - Method for coating cylindrical surfaces
2. 4254165 - Method of forming a filled polymer coating on an internal cylindrical