Average Co-Inventor Count = 1.50
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. Gkn Transmissions Limited (2 from 27 patents)
2. Hardy Spicer Limited (1 from 5 patents)
3 patents:
1. 4702526 - Hub assembly
2. 4142807 - Splined joint
3. 4132422 - Sealing members for universal joints