Average Co-Inventor Count = 3.00
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. August Ruggeberg (1 from 2 patents)
2. August Ruggeberg Gmbh & Co. (1 from 1 patent)
2 patents:
1. 6071185 - Abrasive wheel
2. 5584755 - Abrasive wheel for hand-guided grinding machines, in particular abrasive