Average Co-Inventor Count = 7.50
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. Wanzl Gmbh & Co. Kgaa (2 from 8 patents)
2. Wanzl Metallwarenfabrik Gmbh (1 from 16 patents)
3 patents:
1. 11325629 - Transport trolley
2. 11059507 - Transport trolley
3. 6672599 - Stackable shopping cart