Average Co-Inventor Count = 2.67
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. Elringklinger Ag (2 from 174 patents)
2 patents:
1. 9169802 - Cylinder head gasket
2. 8100411 - Cylinder head gasket