Average Co-Inventor Count = 3.75
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. Mannesmann Aktiengesellschaft (2 from 1,150 patents)
2 patents:
1. 6435218 - Pipe with crack stopper feature, and process of protecting a pipe against propagation of cracks
2. 6161425 - Process and device for checking a hollow body section