Average Co-Inventor Count = 5.00
ph-index = 3
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. Antelope Oil Tool & Mfg. Co. (3 from 26 patents)
3 patents:
1. D718342 - One-piece centralizer with an axial seam and windows
2. D717837 - One-piece centralizer with an axial seam
3. D717836 - One-piece centralizer with an axial seam and end-collar tabs