Average Co-Inventor Count = 4.29
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. Tractor Supply Company (2 from 21 patents)
2. Zhejiang Runva Mechanical & Electrical Co., Ltd (1 from 8 patents)
3 patents:
1. D932727 - Electric winch for cars
2. D923906 - Winch
3. D903221 - Electric winch for cars