Average Co-Inventor Count = 1.82
ph-index = 4
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. Gelenkwellenbau Gmbh (3 from 21 patents)
2. Gkn Gelenkwellenbau Gmbh (1 from 3 patents)
4 patents:
1. 6093107 - Driveshaft with anti-disengagement means
2. 4923320 - Disengageable coupling
3. 4203306 - Telescoping power take-off shaft with lockable length adjustment
4. 4195495 - Universal joint