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. Krautkrämer Gmbh & Co. (1 from 17 patents)
2. F. H. Gottfeld Gesellschaft Fur Zerstorungsfreie Werkstoffprufung Mbh (1 from 1 patent)
2 patents:
1. 5677490 - Ultrasonic testing device for weld seams in pipes, sheets and containers
2. 5493912 - Ultrasonic probe suitable for acoustic coupling via a water channel