Average Co-Inventor Count = 2.77
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. W.w. Patterson Company (3 from 13 patents)
3 patents:
1. 7543800 - Single stack manual marine winch
2. 7478795 - Marine winch with winch-line engaging roller
3. 6572083 - Winch with safe load release system