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. Zap-lok Systems International, Inc. (2 from 3 patents)
2 patents:
1. 4120083 - Method of pipe joining
2. 4064619 - Method of joining plastic coated pipe