Average Co-Inventor Count = 1.22
ph-index = 8
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 (8 from 27 patents)
2. Brd Company Limited (2 from 3 patents)
3. Guest, Keen & Nettlefolds, Limited (1 from 1 patent)
11 patents:
1. 4650440 - Lubrication of hookes universal joints
2. 4379707 - Splined joints
3. 4287650 - Universal joint outer member
4. 4275122 - Shaft and universal joint member assembly
5. 4211589 - Shaft and universal joint assembly
6. 4205925 - Universal joint outer shell
7. 4192153 - Hookes joint yoke
8. 4142807 - Splined joint
9. 4131375 - Splined joints
10. 3986238 - Method of making a hooks joint
11. 3937035 - Universal joint