Average Co-Inventor Count = 2.00
ph-index = 1
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. O&k Orenstein & Koppel Aktiengesellschaft (1 from 110 patents)
2. Krupp Fordertechnik Gmbh (1 from 40 patents)
2 patents:
1. 6014825 - Bucket wheel excavator
2. 4960306 - Open-cut mining cutter